LITLOA TSA SECHABA PXI-5650 Analog Signal Generator
Lintlha tsa sehlahisoa: PXI-5650
PXI-5650 ke modulator ea I/Q e entsoeng ke NI (National Instruments). E etselitsoe ho fana ka bokhoni ba ho feto-fetoha ha maemo a holimo bakeng sa lits'ebetso tse fapaneng.
Litaelo tsa Tšebeliso ea Sehlahisoa
Tlhophiso ea pele:
Pele o qala mokhoa oa ho lekanya, etsa bonnete ba hore o kentse software ea NI-RFSG version 1.6 kapa hamorao tsamaisong ea hau ea ho lekanya. Software ena e kenyelletsa li-VI tsohle tse hlokahalang (Virtual Instruments) bakeng sa ho lekanya. Haeba ha u na mofuta oa morao-rao, u ka o khoasolla ho ni.com/idnet.
Netefatso:
Sheba bukana ea mosebelisi bakeng sa litaelo tse felletseng tsa mokhoa oa ho etsa ts'ebetso ea calibration bakeng sa modulator ea NI PXIe-5611 I/Q. Bukana e fana ka liteko tsa ts'ebetso ho netefatsa hore na sesebelisoa se sebetsa ka har'a litlhaloso tse hatisitsoeng. Etsa bonnete ba hore u latela litaelo ka hloko ho etsa bonnete ba hore liphetho tse nepahetseng tsa litekanyo.
Lekunutu:
Haeba u botsoa hore u fumane phasewete nakong ea ts'ebetso ea ho lekanya, ka kopo sheba buka ea mosebelisi kapa ikopanye le tšehetso ea NI bakeng sa thuso.
Hlokomela: Haeba u sebelisa NI PXIe-5673 kapa NI PXIe-5673E, ka kopo sheba mekhoa ea bona e fapaneng ea calibration e fumanehang ho ni.com/manuals.
PXI-5650
MOKHATLO OA CALIBRATION
NI PXIe-5611
Likopano
mongolo o motšehali o tšekaletseng o tšekaletseng o le mong oa sebaka sa monopahae ka sebete
Litumellano tse latelang li sebelisoa tokomaneng ena:
Letšoao la »letšoao le u lebisa linthong tsa menu tse behiloeng le likhetho tsa lebokose la puisano ho fihlela ketso ea ho qetela. Tatelano File»Setapo sa Leqephe»Likhetho li u laela hore u theole File menu, kgetha ntho ya Ho Seta Leqephe, ebe o kgetha Dikgetho ho tswa lebokoseng la ho qetela la puisano.
Letšoao lena le fana ka keletso, e u lemosang ka boitsebiso ba boeletsi.
Letšoao lena le bolela molaetsa, o u lemosang ka lintlha tsa bohlokoa.
Letšoao lena le fana ka tlhokomeliso, e u eletsang ka mehato eo u lokelang ho e nka ho qoba kotsi, tahlehelo ea data kapa ho senyeha ha sistimi.
Mongolo o motenya o bolela lintho tseo o tlamehang ho li khetha kapa ho li tobetsa ho software, joalo ka lintho tsa menyu le likhetho tsa lebokose la puisano. Mongolo o motenya o boetse o bolela mabitso a paramethara.
Mongolo o ngotsoeng ka mongolo o tšekaletseng o bolela lintho tse feto-fetohang, khatiso, litšupiso tse fapa-fapaneng, kapa kenyelletso ea mohopolo oa sehlooho. Mongolo o tšekaletseng o boetse o bolela mongolo oo e leng setšoantšisi sa lentsoe kapa boleng boo u tlamehang ho fana ka bona.
Mongolo ho fonte ena o bolela mongolo kapa litlhaku tseo u lokelang ho li kenya ho tsoa ho keyboard, likarolo tsa khoutu, ex programmingamples, le syntax examples. Fonte ena e boetse e sebelisetsoa mabitso a nepahetseng a li-drive tsa disk, litsela, li-directory, mananeo, li-subprogram, li-subroutines, mabitso a lisebelisoa, mesebetsi, ts'ebetso, mefuta-futa, filemabitso, le likeketso.
Mongolo o motenya fonteng ena o supa melaetsa le likarabo tseo komporo e li hatisang ka bo eona skrineng. Fonte ena e boetse e totobatsa mela ea khoutu e fapaneng le ea examples.
Mongolo o tšekaletseng fonteng ena o bolela mongolo oo e leng setšoantšisi sa lentsoe kapa boleng boo u tlamehang ho fana ka bona.
Litlhoko tsa Software
Ho lekanya NI PXIe-5611, o tlameha ho kenya mofuta oa NI-RFSG 1.6 kapa hamorao ho sistimi ea calibration. NI-RFSG e kenyelletsa li-VI tsohle tse hlokahalang bakeng sa ho lekanya. U ka khoasolla mofuta oa morao-rao oa NI-RFSG ho ni.com/idnet.
NI-RFSG e ts'ehetsa ho hlophisa lits'ebetso tsa calibration ho LabVIEW. Calibration VIs lia fumaneha LabVIEW ho tsoa ho Phalete ea Mesebetsi. Sheba Lethathamo la 1 bakeng sa file libaka.
Mokhoa oa ho lekanya oa NI PXIe-5611
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Bakeng sa tlhahisoleseling e eketsehileng mabapi le li-VI tsa calibration, sheba ho NI RF Signal Generators Help, e fumanehang ho Start»All Programs»National Instruments»NI-RFSG»Documentation»NI RF Signal Generators Help.
Letlapa la 1. Ho lekanya File Libaka (NI-RFSG 1.6 kapa Hamorao)
File Lebitso le Sebaka
Tlhaloso
IVIBinniRFSG.dll
<LabVIEW >instr.libniRFSG niRFSG5611Calibration
Mokhanni oa NI-RFSG o nang le NI-RFSG API eohle, ho kenyeletsoa le mesebetsi ea calibration.
Sephutheli se nang le NI-RFSG calibration API VIs. U ka fihlella mesebetsi ea calibration ho tsoa karolong ea tlhahlobo ea NI-RFSG ea LabVIEW mosebetsi phalete.
Litlhoko tsa Litokomane
U ka fumana litokomane tse latelang li thusa ha u ntse u ngola mokhoa oa ho lekanya: · Litlhaloso tsa NI PXIe-5673 · Litlhaloso tsa NI PXIe-5673E · NI PXIe-5673 Mokhoa oa Tekano · NI PXIe-5673E Ts'ebetso ea Tekanyo · NI 5450 Calibration-NIXIX Procedure-5650 /5651/5652 Calibration Procedure · NI PXIe-5650/5651/5652 Calibration Procedure · NI RF Signal Generators Getting Started Guide · NI RF Signal Generators Help, ho akarelletsa le LabVIEW VI lenaneo
litšupiso
Litokomane tsena li kentsoe le NI-RFSG. U ka khoasolla le liphetolelo tsa morao-rao tsa litokomane ho ni.com/manuals.
Ts'ebetso ena ea ho lekanya e lekanya modulator ea NI PXIe-5611 I/Q e le sesebelisoa se ikemetseng. Ho lekanya NI PXIe-5673 kapa NI PXIe-5673E, bua ka mekhoa ea bona ea calibration ho ni.com/manuals.
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Mokhoa oa ho lekanya oa NI PXIe-5611
Password
Phasewete ea kamehla bakeng sa ts'ebetso e sirelelitsoeng ka password ke NI.
Nako ea Calibration
Litlhoko tsa tekanyo ea ho nepahala ha kopo ea hau li bontša hore na u lokela ho lekanya sesebelisoa sa hau hangata hakae. NI e khothaletsa hore o etse tlhahlobo e felletseng ea NI 5611 bonyane hang ka selemo. O ka khutsufatsa nako ena ea ho lekanya ho latela litlhoko tsa ho nepahala tsa kopo ea hau.
Calibration Overview
Calibration e kenyelletsa netefatso, mme, ha ho hlokahala, tokiso, le ho nchafatsoa ha NI 5611.
Netefatso ke mokhoa oa ho etsa liteko ho netefatsa hore ho nepahala ha sesebelisoa. Etsa netefatso kamora phetoho ho fumana hore na tokiso e atlehile.
Phetoho ke mokhoa oa ho metha le ho lefella ts'ebetso ea sesebelisoa ho ntlafatsa ho nepahala ha litekanyo. Ho etsa litokiso ho ntlafatsa letsatsi la ho lekanya.
Etsa tlhahlobo e felletseng ho netefatsa phetoho e atlehileng le ts'ebetso ea NI 5611 bakeng sa nako ea selemo e le 'ngoe ea ho lekanya. Ka mor'a ho lokisa, pheta-pheta netefatso ho netefatsa hore sesebelisoa se kopana le litekanyo tsa teko ea calibration.
Ka mor'a ho lekanya NI 5611 e le sesebelisoa se ikemetseng, NI e khothalletsa ka matla hore u lekanye NI 5673, e kenyeletsang NI 5611. Ho lekanya NI PXIe-5673 kapa NI PXIe-5673E, bua ka mekhoa ea bona ea ho lekanya ho ni.com /manual.
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Setšoantšo sa 1 se bontša phallo ea lenaneo bakeng sa ho lekanya ka ho feletseng.
Netefatsa
Fetola (Matsatsi a Tekanyo le Dithempereichara li Ntlafalitsoe)
Netefatsa
Tokomane ea ho Fetola Pele
Liphetho
Tokomane Post-Adjustment
Liphetho
Ee
Kopana
Che
Meeli ea Teko?
Khalefono/ Netefatso E phethiloe
Review Verification/ Mokgoa wa ho lokisa
kapa Khutlisa Sesebediswa
Setšoantšo sa 1. Phallo e Feletseng ea Lenaneo la Calibration
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Mokhoa oa ho lekanya oa NI PXIe-5611
Lisebelisoa tsa Teko
Letlapa la 2 le thathamisa lisebelisoa tse hlokahalang bakeng sa ho lekanya NI 5611. Haeba u se na lisebelisoa tse khothalelitsoeng, khetha mokhoa o mong oa ho lekanya o sebelisa lintlha tse thathamisitsoeng ho Lethathamo la 2.
Letlapa la 2. Litlhaloso tse Hlokahalang tsa Thepa bakeng sa NI 5611 Calibration
E Hlokehang Thepa Spectrum analyzer
Metara ea matla
Sekhahla sa matla
NI PXIe-5450 jenereithara ea waveform e sa fetoheng NI PXI-5652 RF jenereithara ea 6 dB attenuator
50 terminator (e kenyelelitsoe ho NI 5673 kit) Adapter SMA(m)-to-N(f) SMA torque wrench NI PXIe-5673 Cable Accessory Kit
Thepa e khothalelitsoeng
Litlhaloso
Rohde & Schwarz (R&S) FSU Spectrum Analyzer e nang le prefrequency preampkhetho ea lifier (B23)
Sebaka sa maqhubu: 50 MHz ho 6.6 GHz Lerata la lerata: <152 dBm/Hz ho isa 6.6 GHz
Anritsu ML2438A le kutlo ea diode ea MA2472
Range: 50 dBm ho +10 dBm Maqhubu a maqhubu: 50 MHz ho 6.6 GHz Ho nepahala: 0.5%
Aeroflex/Weinschel 1593 SWR: 1.25 Ampho latedisa litude: <0.25 dB
NI PXIe-5450
Sesebelisoa sena se tlameha ho hlahlojoa ka botlalo pele se lekanya NI 5611.
NI PXI-5652 Anritsu 41KB-6 NI 778353-01
Sesebelisoa sena se tlameha ho hlahlojoa ka botlalo pele se lekanya NI 5611.
Sebaka sa maqhubu: DC ho isa ho 12 GHz SWR: 1.1
-
SM Electronics SM4241 VSWR: 1.15: 1
NI 187106-01 NI 780567-01
1 N · m
thapo e tsamaellanang le bolelele ba I/Q semi rigid SMA cable (4) LO semi-rigid SMA cable (1) RF flexible SMA cable (1)
SMA adaptara plug/plug
Huber+Suhner
VSWR: 1.05 : 1
32_N-SMA-50-1/11-_NE
BNC (m) ho isa BNC
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(m) thapo (36 inches)
Mokhoa oa ho lekanya oa NI PXIe-5611
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Maemo a Teko
Latela litataiso tsena ho ntlafatsa likhokahano le tikoloho nakong ea ho lekanya:
· Netefatsa hore NI 5611, NI 5450, le NI 5652 li hokahane ka nepo joalokaha ho bontšitsoe Khaolong ea 5, NI 5673 RF Vector Signal Generator kapa Khaolo ea 6, NI 5673E RF Vector Signal Generator ho NI RF Signal Generators Getting Started Guide.
· Meeli ea netefatso e hlalosoa ho nka hore NI 5611, NI 5450, le NI 5652 e tšoanang e sebelisoa nakong ea tokiso le netefatso.
· Boloka cabling e khutšoanyane kamoo ho ka khonehang. Lithapo tse telele li sebetsa joaloka manaka, li nka lerata le eketsehileng le ka amang litekanyo.
· Netefatsa hore likhokahano tsohle, ho kenyeletsoa lihokelo tsa liphanele tse ka pele le likurufu, li bolokehile.
Netefatsa hore lebelo la fan la chassis la PXI Express le behiloe ho HI, li-filters tsa fan li hloekile, 'me libaka tse se nang letho li na le liphanele tsa ho tlatsa. Bakeng sa tlhaiso-leseling e batsi, sheba Tokomane ea Boloka Ho Pholisa Moea ka Matla ho Basebelisi e fumanehang ho ni.com/manuals.
· Boloka mongobo o lekanyelitsoeng o pakeng tsa 10% le 90%, o sa tsitsa.
· Boloka mocheso oa tikoloho oa 23 °C ±5 °C.
· Lumella nako ea ho futhumatsa bonyane metsotso e 30 ka mor'a hore chesisi e buloe. Nako ea ho futhumatsa e tiisa hore NI 5611 e le mocheso o tsitsitseng oa ho sebetsa.
· Iketsetse boemo ba hau ho jenereithara ea matšoao ea NI PXIe-5450.
· Mokhoa o mong le o mong oa netefatso o hloka tieho ho kenngoa lipakeng tsa ho lokisa lisebelisoa tsohle le ho fumana tekanyo. Ho ka 'na ha hlokahala hore tieho ena e lokisoe ho itšetlehile ka lisebelisoa tse sebelisoang empa e lokela ho lula e le 1,000 ms bakeng sa phetisetso ea pele, 1,000 ms ha boemo ba motlakase bo fetoha, le 100 ms bakeng sa ho pheta-pheta.
Mekhoa ea ho lekanya
Ts'ebetso ea calibration e kenyelletsa mehato e latelang:
1. Tlhophiso ea Pele-Kenya sesebelisoa 'me u se hlophise ho Measurement & Automation Explorer (MAX). Sheba Khaolo ea 5, NI 5673 RF Vector Signal Generator kapa Chapter 6, NI 5673E RF Vector Signal Generator ho NI RF Signal Generators Getting Started Guide bakeng sa tlhahisoleseding e eketsehileng mabapi le mokhoa oa ho lokisa sesebelisoa sa hau.
2. Netefatsa-Netefatsa tshebetso e teng ya sesebediswa. Mohato ona o tiisa hore na sesebelisoa se sebetsa ka har'a mefuta ea sona e boletsoeng pele se lokisoa.
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Mokhoa oa ho lekanya oa NI PXIe-5611
3. Adjustment-Etsa phetoho e ka ntle ea sesebelisoa se fetolang likarolo tsa calibration tsa sesebelisoa. Ts'ebetso ea tokiso e boloka ka bo eona letsatsi la ho lekanya ho EEPROM ho lumella ho latelloa.
4. Reverification-Pheta mokhoa oa ho netefatsa ho netefatsa hore sesebelisoa se sebetsa ka har'a litlhaloso tsa sona ka mor'a hore se lokisoe.
Mekhoa ena e hlalosoa ka ho qaqileng haholoanyane likarolong tse latelang.
Phetoho ea pele
Sheba Tataiso ea ho Qala ea NI RF Signal Generators bakeng sa tlhahisoleseling mabapi le mokhoa oa ho kenya software le hardware le mokhoa oa ho lokisa sesebelisoa ho MAX.
Ho khetholla Power Splitter
Mekhoa e mengata ea tokomane ena e hloka hore ho sebelisoe sekhechana se tšoailoeng ho tlosa phoso litekanyong tse tlang. Tlatsa mehato e latelang ho tšoaea sekhahla se sebelisang NI 5652, meter ea matla, le spectrum analyzer, joalo ka ha ho bonts'itsoe ho Setšoantšo sa 2.
1. Hakolla NI 5611 LO IN sehokelo sa phanele se ka pele ho tloha ho NI 5652 RF OUT sehokelo sa phanele se ka pele.
2. Hokela mochine oa motlakase oa motlakase oa motlakase ho NI 5652 RF OUT sehokelo se ka pele sa phanele.
3. Hlahisa molumo ka NI 5652 ka litlhophiso tse latelang tsa thepa ea NI-RFSG:
· Khafetsa (Hz): 50 MHz
· Boemo ba Matla (dBm): 10 dBm
4. Sebelisa meter ea matla ho lekanya matla a tsoang.
5. Pheta mehato ea 3 ho isa ho 4 bakeng sa maqhubu a mang le a mang ho tloha ho 50 MHz ho ea ho 6.6 GHz ka li-increments tsa 5 MHz, ho kenyelletsa le lintlha tsa ho qetela. Boloka litekanyo tse hlahisoang.
6. Tlosa sensor ea matla ho tloha ho NI 5652 RF OUT sehokelo se ka pele sa phanele.
Tlhokomeliso Haeba u sebelisa thapo, e lokela ho ba khutšoanyane kamoo ho ka khonehang. Cable e lokela ho sebelisoa ka linako tsohle le splitter bakeng sa lits'ebetso tse latelang tsa netefatso tokomaneng ena e hlokang ho arohana.
7. Hokela boema-kepe ba ho kenya motlakase ho NI 5652 RF OUT sehokelo se ka pele sa phanele ntle le thapo, haeba ho khonahala.
Mokhoa oa ho lekanya oa NI PXIe-5611
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Tlhokomeliso Hopola kou eo sensor ea matla e hokahaneng ho eona. Sensor ea matla e tlameha ho hokahanngoa boema-kepeng bo le bong bakeng sa lits'ebetso tse latelang tokomaneng ena.
8. Kopanya boema-kepe bo le bong bo fumanehang ba motlakase oa motlakase ho sensor ea matla ntle le mohala, haeba ho khoneha.
9. Kopanya pheletsong e le 'ngoe e fumanehang ea sekhahla sa motlakase ho 6 dB attenuator. 10. Hokela boema-kepe bo bong bo fumanehang ba 6 dB attenuator ho sebono
analyzer RF INPUT sehokelo sa phanele se ka pele joalo ka ha ho bonts'itsoe ho Setšoantšo sa 2. 11. Lokisetsa boemo ba litšupiso tsa spectrum analyzer ho 30 dBm.
spectrum analyzer e sebelisoa feela bakeng sa ho felisa.
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Mokhoa oa ho lekanya oa NI PXIe-5611
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5 6
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1 NI 5652 RF Signal Generator 2 Splitter 3 Power Sensor 4 Attenuator
5 Power Meter 6 CH A Connector 7 Spectrum Analyzer 8 RF INPUT Connector
Setšoantšo sa 2. Tlhophiso ea Sebopeho sa Power Splitter Characterization
12. Pheta mehato ea 3 ho isa ho 4 bakeng sa maqhubu a mang le a mang ho tloha ho 50 MHz ho ea ho 6.6 GHz ka li-increments tsa 5 MHz, ho kenyelletsa le lintlha tsa ho qetela. Boloka litekanyo tse hlahisoang.
13. Ntša litekanyo tsa matla ho tloha mohatong oa 5 ho tloha litekanyong tsa mohato oa 12 bakeng sa lebelo le leng le le leng le lumellanang. Boloka lipalo tse hlahisoang. Sephetho ke lethathamo le emelang tahlehelo ka sekhahla bakeng sa mefuta eohle e hlokahalang ea maqhubu ho 5 MHz increments.
Mokhoa oa ho lekanya oa NI PXIe-5611
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Hlokomela Sehlopha sena hamorao se sebelisoa ho lefa litekanyo le ho lokisa tahlehelo ea li-splitter. Haeba u sa fumane khafetsa e hlokahalang ho sehlopha sa tokiso ea li-splitter, sebelisa tahlehelo e tsamaellanang le maqhubu a haufi a latelang.
U atlehile ho hlahisa sekhetho sa hau.
Netefatso
Karolo ena e hlalosa mehato eo u tlamehang ho e latela ho netefatsa phetoho e atlehileng ea NI 5611.
Netefatso e leka lintlha tse latelang tsa NI 5611: · Karabelo ea filthara ea LO · Phaello ea tsela ea LO · Mathata a ho feto-fetoha le maemo · Modulation bandwidth le ho senyeha · phaello ea tsela ea RF · Lihlahisoa tsa Intermodulation
Netefatso ea NI 5611 e phethehile feela kamora hore o phethe liteko tsohle tse karolong ena ka katleho.
Ho netefatsa Karabo ea Sesefa sa LO
Tlatsa mehato e latelang ho netefatsa karabo ea LO filter ea mojule oa NI 5611 u sebelisa spectrum analyzer. 1. Hokela sehokelo sa phanele sa NI 5611 LO OUT se ka pele ho sebono
analyzer RF INPUT sehokelo sa phanele se ka pele. 2. Hokela chassis ea PXI Express 10 MHz REF IN sehokelo se ka morao sa phanele
ho sehokelo sa spectrum analyzer REF OUT ka morao. 3. Hlahisa lets'oao ka litlhophiso tse latelang tsa thepa ea NI-RFSG:
· Khafetsa (Hz): 85 MHz · Matla a Matla (dBm): 0 dBm · Mokhoa oa ho hlahisa: CW · LO OUT E nolofalitsoe: E nolofalitsoe 4. Sebelisa spectrum analyzer ho lekanya matla a bohlokoa a molumo ka ho sebelisa litlhophiso tse latelang tsa spectrum analyzer parameter: · Maqhubu a Bohareng: Khafetsa ho tloha mohatong oa 3 · Boemo ba litšupiso: +5 dBm · Nako ea nako: 0 Hz
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Mokhoa oa ho lekanya oa NI PXIe-5611
* Resolution bandwidth: 500 Hz
Nako ea ho fiela: 5 ms
5. Sebelisa spectrum analyzer ho lekanya matla a moelelo oa molumo ho 2nd harmonic frequency u sebelisa litlhophiso tse latelang tsa spectrum analyzer parameter:
· Maqhubu a Bohareng: Khafetsa ho tloha mohatong oa 3 × 2 · Boemo ba tšupiso: +5 dBm
· Khafetsa nako: 0 Hz
* Resolution bandwidth: 500 Hz
Nako ea ho fiela: 5 ms
6. Bala boemo ba matla a harmonic ho dBc ka ho tlosa matla a motheo a lekantsoeng ho tloha mohato oa 4 ho tloha ho matla a harmonic a lekantsoeng ho tloha mohato oa 5.
7. Bapisa tekanyo ea matla e baliloeng ho tloha mohato oa 6 ho ea moeling o lumellanang le Tafole ea 1.
8. Pheta mehato ea 3 ho isa ho 7 bakeng sa maqhubu a mang le a mang ho tloha ho 85 MHz ho ea ho 2.2 GHz ka li-increments tsa 5 MHz, ho kenyelletsa le lintlha tsa ho qetela.
Lethathamo la 3. Litekanyetso tsa Teko ea Teko ea Likarabo tsa LO Filter
Harmonic 2nd (2F)
2nd Harmonic Upper Limits (dBc)
F 100 MHz 100 MHz < F 2.2 GHz
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Haeba liphetho li le ka har'a moeli oa teko o khethiloeng, sesebelisoa se fetile karolo ena ea netefatso.
Ho netefatsa Phaello ea Tsela ea LO
Tlatsa mehato e latelang ho netefatsa phaello ea tsela ea LO ea mojule oa NI 5611 u sebelisa meter ea matla. 1. Hokela sehokelo se ka pele sa NI 5611 LO OUT ho matla
metara. 2. Hlahisa lets'oao ka litlhophiso tse latelang tsa thepa ea NI-RFSG:
· Hangata (Hz): 85 MHz · Matla a Matla (dBm): 0 dBm · Mokhoa oa Moloko: CW · LO OUT E nolofalitsoe: E nolofalitsoe 3. Sebelisa meter ea matla ho lekanya matla a LO OUT.
Mokhoa oa ho lekanya oa NI PXIe-5611
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4. Bapisa matla a tlhahiso ea LO OUT a lekantsoeng le moeli o ho Lethathamo la 4.
5. Pheta mehato ea 2 ho isa ho 4 bakeng sa maqhubu a mang le a mang ho tloha ho 85 MHz ho ea ho 6.6 GHz ka li-increments tsa 10 MHz, ho kenyelletsa le lintlha tsa ho qetela.
Lethathamo la 4. LO Path Fumana netefatso Meeli ea Tlhahlobo e Phahameng
LO OUT Matla (dBm) 0
Joalo ka ha e Fumanoe Meeli ea Teko ea ho Nepaha ha Matla (dB) LO OUT
±2.0
Joalo ka Le letšehali LO OUT Meeli ea Teko ea ho Nepaha ha Matla (dB)
±1.0
Haeba liphetho li le ka har'a moeli oa teko o khethiloeng, sesebelisoa se fetile karolo ena ea netefatso.
Ho netefatsa Litšitiso tsa Modulation
Tlatsa mehato e latelang ho netefatsa ho senyeha ha modulation ea NI 5611 ho sebelisa spectrum analyzer. 1. Hokela sehokelo sa phanele sa NI 5611 RF OUT se ka pele ho sebono
analyzer RF INPUT sehokelo sa phanele se ka pele. 2. Hokela chassis ea PXI Express 10 MHz REF IN sehokelo se ka morao sa phanele
ho spectrum analyzer 10 MHz REF OUT ka morao sehokelo sa phanele holim'a spectrum analyzer. 3. Hlahisa molumo oa letlapa le le leng ka +1 MHz e fokotsang ho tloha ho lets'oao la mochine ka lisebelisoa tse latelang tsa thepa ea NI-RFSG: · Frequency (Hz): 85 MHz · Matla a Matla (dBm): 0 dBm · Mokhoa oa Moloko: Arb Waveform · Reference Clock Source: ClkIn Setšoantšo se hlaha ho 84 MHz, 'me sephethephethe se lutla ho 85 MHz. 4. Sebelisa spectrum analyzer ho lekanya boholo ba matla a tlhahiso ea RF u sebelisa litlhophiso tse latelang tsa spectrum analyzer parameter: · Frequency ea setsi: Frequency mohatong oa 3 + 1 MHz · Boemo ba boitsebiso: +5 dBm · Nako ea nako: 0 Hz · Resolution bandwidth : 500 Hz · Nako ea ho fiela: 5 ms · Mohloli oa oache ea litšupiso: Ka ntle
Hlokomela hore mokhoa oa Zero-span o khutsufatsa nako ea teko ka ho qoba ho fiela khafetsa khafetsa. Ho fumana matla a tloaelehileng, fetola lintlha tsa trace tsa zero-span ho li-volts tsa linear, etsa lipalo tse bolelang, 'me u fetole li-volts tsa linear ho dBm.
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Mokhoa oa ho lekanya oa NI PXIe-5611
5. Sebelisa spectrum analyzer ho lekanya boholo ba matla a setšoantšo ho sebelisa litlhophiso tse latelang tsa spectrum analyzer parameter: · Center frequency: Frequency mohatong oa 3 1 MHz · Boemo ba tšupiso: +5 dBm · Nako ea nako: 0 Hz · Selekane sa Resolution: 500 Hz · Nako ea ho fiela: 5 ms · Mohloli oa oache ea litšupiso: Ka ntle
6. Sebelisa spectrum analyzer ho lekanya matla a moelelo oa mochine o sebelisang lisebelisoa tse latelang tsa spectrum analyzer parameter: · Center frequency: E lekana le makhetlo a mohato oa 3 · Boemo ba boitsebiso: +5 dBm · Nako ea nako: 0 Hz · Resolution bandwidth: 500 Hz · Nako ea ho fiela: 5 ms · Mohloli oa oache ea litšupiso: Ka ntle
7. Bala tekanyo ea khatello ea setšoantšo (ISR) le carrier suppression ratio (CSR) ho latela liforomo tse latelang 'me u boloke litekanyetso: ISR = Measured Image Power Measured RF Output Power CSR = Measured Carrier Leakage Power Measured RF Output Power
8. Pheta mehato ea 3 leha e le 7 bakeng sa lebelo le leng le le leng la LO ho tloha 85 MHz ho 6.6 GHz ka mehato ea 10 MHz, ho kenyelletsa le lintlha tsa ho qetela.
Tlhokomeliso Ha baseband e behiloe ho 1 MHz, 0 dBm molumo oa lehlakoreng le le leng, tlhahiso ea RF e lula e le 1 MHz ka holim'a maqhubu a LO, setšoantšo ke 1 MHz ka tlase ho LO, 'me carrier leakage e ho LO frequency.
9. Sebelisa Lethathamo la 5 ho bapisa ISR le CSR ho tloha mohato oa 7 bakeng sa lebelo le leng le le leng la LO.
Lethathamo la 5. Modulation Impairments Verification Meeli ea Tlhahlobo e Phahameng
LO Frequency (MHz)
85 ho ea ho 400
400 ho ea ho 2,500
Moeli oa Teko oa ISR (dBc).
43
50
CSR (dBc) Moeli oa Teko
44
44
Mokhoa oa ho lekanya oa NI PXIe-5611
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Lethathamo la 5. Modulation Impairments Verification Meeli ea Tlhahlobo e Phahameng
LO Frequency (MHz)
Moeli oa Teko oa ISR (dBc).
CSR (dBc) Moeli oa Teko
2,500 ho ea ho 5,500
46
44
5,500 ho ea ho 6,600
43
41
Haeba liphetho li le ka har'a moeli oa teko o khethiloeng, sesebelisoa se fetile karolo ena ea netefatso.
Ho netefatsa Bandwidth ea Modulation le Litšitiso
Tlatsa mehato e latelang ho netefatsa ts'ebetso ea bandwidth ea modulation le ho senyeha ha modulation ea NI 5611 ho sebelisa spectrum analyzer. 1. Hokela sehokelo sa phanele sa NI 5611 RF OUT se ka pele ho sebono
analyzer RF INPUT sehokelo sa phanele se ka pele. 2. Hokela chassis ea PXI Express 10 MHz REF IN sehokelo se ka morao sa phanele
ho spectrum analyzer 10 MHz REF OUT ka morao sehokelo sa phanele holim'a spectrum analyzer. 3. Hlahisa molumo oa I / Q ho 50 MHz offset ho tloha ho mofani oa thepa ka lisebelisoa tse latelang tsa thepa ea NI-RFSG: · Frequency (Hz): 200 MHz · Matla a Matla (dBm): 0 dBm · Mokhoa oa Moloko: Arb Waveform · Reference Clock Mohloli: ClkIn 4. Sebelisa spectrum analyzer ho lekanya boholo ba tlhahiso ea matla a tlhahiso ea RF u sebelisa litlhophiso tse latelang tsa spectrum analyzer parameter: · Centre frequency: frequency in step 3 + offset in step 3 · Reference level: +5 dBm · Frequency span : 0 Hz · Resolution bandwidth: 500 Hz · Nako ea ho fiela: 5 ms · Mohloli oa oache ea litšupiso: Ka ntle 5. Sebelisa spectrum analyzer ho lekanya matla a tlhahiso ea setšoantšo ho sebelisa litlhophiso tse latelang tsa spectrum analyzer parameter: · Setsi sa maqhubu: maqhubu ka mohato. 3 e theohile mohatong oa 3 · Boemo ba litšupiso: +5 dBm · Nako ea ho tsamaea: 0 Hz · Selekane sa Resolution: 500 Hz
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Mokhoa oa ho lekanya oa NI PXIe-5611
· Nako ea ho fiela: 5 ms · Mohloli oa oache ea litšupiso: Ka ntle 6. Bala ISR ho latela foromo e latelang mme u boloke litekanyetso: ISR = Measured Image Power Measured RF Output Power
7. Pheta mehato ea 3 ho isa ho 6 bakeng sa maqhubu a mang le a mang a offset ho tloha ho 50 MHz ho ea ho +50 MHz ka 5 MHz increments ha u ntse u boloka maqhubu a LO a tsitsitse.
Keletso Beha thepa ea NI-RFSG Generation Mode ho CW ho hlahisa 0 Hz offset. ISR e nang le 0 Hz frequency offset e ke ke ea lekanyetsoa, 'me ntlha ea data ea 0 Hz e ka hlokomolohuoa.
8. Bala sekhahla sa "bandwidth" se lekanyelitsoeng ka ho tlosa matla a RF a lekantsoeng ho 0 Hz offset ho matla a tsoang ho RF a lekantsoeng ho e 'ngoe le e 'ngoe ea maqhubu a mang a offset.
9. Bapisa boleng bo bong le bo bong bo baloang mohatong oa 8 le meeli e ho Lethathamo la 6 'me u bapise feela litekanyetso tsa ISR tse baloang bakeng sa maqhubu a offset pakeng tsa 10 MHz le 10 MHz mohatong oa 5 ho ea ho meeli e Lethathamong la 7.
Ela hloko Litheko tse baliloeng bakeng sa maqhubu a offset a ka tlase ho 10 MHz le tse kholo ho feta 10 MHz ha lia hlalosoa ebile ha li na meeli ea liteko.
10. Pheta mehato ea 3 ho isa ho ea 9 bakeng sa khafetsa ea LO ho Lethathamo la 6.
Lethathamo la 6. Meeli ea Teko ea Teko ea Teko ea Modulation Bandwidth
LO Frequency (GHz)
0.2
Modulation Bandwidth Test Limits (dB)
Boholo
Bonyane
3
3
2.4
3
3
4.0
3
3
5.8
3
3
Mokhoa oa ho lekanya oa NI PXIe-5611
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Letlapa la 7. Meeli ea Teko ea Teko ea Modulation Bandwidth bakeng sa Maqhubu a Offset Pakeng tsa 10 MHz le +10 MHz
LO Frequency (GHz)
Meeli ea Teko ISR (dBc)
0.2
41
2.4
48
4.0
45
5.8
41
Haeba liphetho li le ka har'a moeli oa teko o khethiloeng, sesebelisoa se fetile karolo ena ea netefatso.
Ho netefatsa Phaello ea Tsela ea RF
Tlatsa mehato e latelang ho netefatsa phaello ea tsela ea RF ea NI 5611 u sebelisa meter ea matla, rubidium frequency standard, spectrum analyzer, power splitter, le 6 dB attenuator.
Tlhokomeliso: "Attenuator" e behiloe ka pel'a "spectrum analyzer" ho ntlafatsa tahlehelo ea ho khutla ea spectrum analyzer. Sekhahla sa matla se tlameha ho khetholloa e le hore u ka ikarabella bakeng sa tahlehelo ea sona. Sheba Karolo ea Characting the Power Splitter bakeng sa tlhaiso-leseling e batsi mabapi le mokhoa oa ho khetholla sekhechana sa motlakase oa hau.
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Mokhoa oa ho lekanya oa NI PXIe-5611
5
1
34
2
6
7
8 10
9 2
11
1 NI 5450 Arbitrary Waveform Generator 2 Connection ho tloha NI PXI Express
REF IN Rear Panel Connector to Spectrum Analyzer REF OUT Rear Panel Connector 3 NI 5611 I/Q Modulator 4 NI 5652 RF Signal Generator 5 Power Sensor
6 Power Splitter 7 Attenuator 8 Power Meter 9 Spectrum Analyzer 10 CH A Connector 11 RF INPUT Connector
Setšoantšo sa 3. Ho kopanya Hardware ho netefatsa Phaello ea Tsela ea RF
1. Kopanya boema-kepe ba ho kenya motlakase ho NI 5611 RF OUT sehokelo se ka pele sa phanele.
2. Hokela chassis ea PXI Express 10 MHz REF IN sehokelo se ka morao sa spectrum analyzer 10 MHz REF OUT sehokelo se ka morao sa phanele.
Tlhokomeliso Boema-kepe bo sebelisitsoeng ho hokahanya sekhahla sa motlakase ho sensor ea matla mohatong oa 8 oa Karolo ea Ho khetholla Power Splitter e tlameha ho ba kou e ts'oanang e sebelisoang ho hokahanya sekhahla sa motlakase ho metha ea matla mohatong oa 3 oa karolo ena.
Mokhoa oa ho lekanya oa NI PXIe-5611
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3. Hokela kou e le 'ngoe e fumanehang ea sekhahla sa motlakase ho metha ea matla.
Tlhokomeliso Boema-kepe bo sebelisitsoeng ho hokahanya sekhahla sa motlakase ho 6 dB attenuator mohatong oa 9 oa Karolo ea Ho khetholla Power Splitter e tlameha ho ba kou e ts'oanang e sebelisoang ho hokahanya sekhahla sa motlakase ho mitha ea matla mohatong oa 4 oa karolo ena.
4. Hokela kou e le 'ngoe e fumanehang ea sekhechana sa motlakase ho 6 dB attenuator. 5. Hokela kou e le 'ngoe e fumanehang ea 6 dB attenuator ho spectrum
analyzer RF INPUT sehokelo se ka pele sa phanele. 6. Hakolla sehokelo sa NI 5450 CLK IN se ka pele ho tloha ho
NI 5652 REF IN/OUT sehokelo sa phanele se ka pele. 7. Hlahisa molumo oa letlapa le le leng ka +1 MHz offset ho tsoa ho mojari
ka litlhophiso tse latelang tsa thepa ea NI-RFSG: · Frequency (Hz): 85 MHz · Matla a Matla (dBm): 5 dBm · Mokhoa oa ho hlahisa: Arb Waveform · Reference Clock Mohloli: ClkIn 8. Sebelisa meter ea matla ho lekanya matla a ho arohana ha motlakase matla a tlhahiso. 9. Pheta mehato ea 7 ho isa ho 8 bakeng sa maqhubu a mang le a mang ho tloha ho 85 MHz ho ea ho 6.6 GHz ka li-increments tsa 20 MHz, ho kenyelletsa le lintlha tsa ho qetela. 10. Beha thepa ea NI-RFSG Power Level ho 0 dBm, 'me u phete mehato ea 7 ho ea ho 9. 11. Beha thepa ea NI-RFSG Power Level ho 30 dBm,' me u phete mehato ea 7 ho isa ho 9, u lekanya matla ka bobeli ba meter ea matla. le spectrum analyzer. Sebelisa litlhophiso tse latelang tsa parametha bakeng sa spectrum analyzer: · Center frequency: frequency in step 7 + 1 MHz · Reference level: 30 dBm · Frequency span: 0 Hz · Resolution bandwidth: 500 Hz · Nako ea ho fiela: 20 ms · Mohloli oa oache ea litšupiso: Ka ntle · Attenuation: 5 dB · Peleamplifier: Ka la 12. Sebelisa litekanyo tsa methara ea matla ho bala tokiso bakeng sa ho se nepahale ha spectrum analyzer le tahlehelo ea attenuator.
© Koporasi ea Naha ea Lisebelisoa
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Mokhoa oa ho lekanya oa NI PXIe-5611
13. Beha thepa ea NI-RFSG Power Level ho 60 dBm, 'me u phete mehato ea 7 ho ea ho 9 u sebelisa feela spectrum analyzer le tokiso ea eona e lekantsoeng ho lekanya ho nepahala ha matla ho sebelisa litlhophiso tse latelang tsa parameter ea spectrum analyzer: · Setsi sa maqhubu: khafetsa mohatong oa 7. + 1 MHz · Boemo ba litšupiso: 30 dBm · Nako ea ho tsamaea: 0 Hz · Resolution bandwidth: 500 Hz · Nako ea ho fiela: 20 ms · Mohloli oa oache ea litšupiso: Kantle · Attenuation: 5 dB · PreampLifier: Bula
14. Beha thepa ea NI-RFSG Power Level ho 90 dBm 'me u phete mehato ea 7 ho ea ho 9 u sebelisa feela spectrum analyzer le tokiso ea eona e lekantsoeng ho lekanya ho nepahala ha matla ho sebelisa litlhophiso tse latelang tsa spectrum analyzer parameter: · Center frequency: frequency in step 7 + 1 MHz · Boemo ba Reference: 30 dBm · Nako ea nako: 0 Hz · Resolution bandwidth: 500 Hz · Nako ea ho fiela: 200 ms · Mohloli oa oache ea litšupiso: Ka ntle · Attenuation: 5 dB · PeleampLifier: Bula
15. Bapisa litekanyetso tse lekantsoeng ho tloha mehatong ea 7 ho ea ho ea 14 ho ea ho meeli e lumellanang le Lethathamo la 8.
Lethathamo la 8. Meeli ea Teko ea Teko ea RF Path Gain
Matla a Output (dBm) 5
Meeli ea Teko ea ho Nepaha ha Matla (dB) ±0.75
0
±0.75
30
±0.75
60
±0.75
90
±0.75
Haeba liphetho li le ka har'a moeli oa teko o khethiloeng, sesebelisoa se fetile karolo ena ea netefatso.
Mokhoa oa ho lekanya oa NI PXIe-5611
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Phetoho
Ho latela mokhoa oa ho lokisa ka mokhoa o iketsang ho ntlafatsa letsatsi la ho lekanya le mocheso ho EEPROM ea NI 5611. Letsatsi la calibration le boetse le ntlafatsoa ha u letsetsa niRFSG Initialize External Calibration le niRFSG Close External Calibration VIs.
Litokiso li kenyelletsa mekhoa e latelang ea NI 5611: · Karabelo ea filthara ea LO · phaello ea tsela ea LO · Mathata a ho feto-fetoha ha molumo · Phaello ea tsela ea RF
Ho fetola Karabelo ea Sesefa sa LO
Phetoho ena e fana ka harmonic ea bobeli ea LO e fokolitsoeng. Tlatsa mehato e latelang ho lokisa karabo ea LO filter ea NI 5611 u sebelisa spectrum analyzer.
1. Hokela sehokedi sa phanele sa NI 5611 LO OUT se ka pele ho sehokedi sa spectrum analyzer RF INPUT sehokedi se ka pele sa phanele.
2. Hokela chassis ea PXI Express 10 MHz REF IN sehokelo sa phanele se ka morao ho spectrum analyzer 10 MHz REF OUT sehokelo se ka morao sa sehokelo sa spectrum analyzer.
3. Letsetsa niRFSG Qalisa External Calibration VI.
4. Letsetsa niRFSG Qalisa LO Filter Calibration VI.
Ela hloko Sefe ea ho Lekanya paramethara ho niRFSG Qalisa LO Filter Calibration VI e setetsoe ka ho sa feleng ho Li-Filters Tsohle. Haeba u seta Filter ho Calibrate paramethara sebakeng se seng sa sefe, u tlameha ho pheta mehato ea 4 ho isa ho 8 bakeng sa sefe ka seng.
5. Letsetsa niRFSG 5611 Configure LO Filter Calibration VI. 6. Sebelisa spectrum analyzer ho lekanya boholo ba tlhahiso ea matla ka ho sebelisa
latelang spectrum analyzer paramethara: · Center frequency: frequency specific by the Frequency to
Measure (Hz) parameter ea niRFSG 5611 Lokisa LO Filter Calibration VI · Boemo ba tšupiso: +5 dBm · Nako ea ho tsamaea: 0 Hz · Resolution bandwidth: 500 Hz · Nako ea ho fiela: 5 ms
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Mokhoa oa ho lekanya oa NI PXIe-5611
7. Letsetsa niRFSG 5611 Lokisa LO Filter Calibration VI, 'me u fetise boleng bo lekantsoeng mohatong oa 6 ho parameter ea Measured LO OUT Power (dBm).
8. Pheta mehato ea 5 ho isa ho ea 7 ka loop ho fihlela parameter ea LO Filter Calibration Complete e khutlisa boleng ba TRUE.
9. Letsetsa niRFSG Close External Calibration VI ho koala seboka le ho boloka liphetho ho EEPROM ho NI 5611.
Ho fetola LO Path Gain
Phetoho ena e fana ka matla a nepahetseng a matla a fihlang ho li-modulator tse ka hare le sehokelo sa LO OUT ho NI 5611. Tlatsa mehato e latelang ho lekanya phaello ea tsela ea LO ho NI 5611 u sebelisa meter ea matla. 1. Hokela sehokelo se ka pele sa NI 5611 LO OUT ho matla
metara. 2. Letsetsa niRFSG Qalisa External Calibration VI. 3. Letsetsa niRFSG 5611 Qala LO Gain Calibration VI.
Hlokomela hore Sefe ea ho Lekanya paramethara ho niRFSG Qalisa LO Gain Calibration VI e setetsoe ka ho sa feleng ho Li-Filters Tsohle. Haeba u seta Filter ho Calibrate paramethara sebakeng se seng sa sefe, u tlameha ho pheta mehato ea 3 ho isa ho 7 bakeng sa sefe ka seng.
4. Letsetsa niRFSG 5611 Configure LO Gain Calibration VI. 5. Sebelisa metara ea matla ho lekanya matla a tsoang ho frequency
e hlalositsoe ke paramethara ea Frequency to Measure (Hz) ea niRFSG 5611 Configure LO Gain Calibration VI. 6. Letsetsa niRFSG 5611 Lokisa LO Gain Calibration VI, 'me u fetise boleng bo lekantsoeng mohatong oa 5 ho parameter ea Measured LO OUT Power (dBm). 7. Pheta mehato ea 4 ho isa ho ea 6 ho fihlela parameter ea LO Gain Calibration Complete e khutlisa boleng ba TRUE. 8. Letsetsa niRFSG Close External Calibration VI ho koala seboka le ho boloka liphetho ho EEPROM ho NI 5611.
Mokhoa oa ho lekanya oa NI PXIe-5611
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Ho Fetola Mathata a ho Fetoha ha Molumo
Litokiso tsena li lekanya le ho lokisa lithane tsa NI 5611 RF tsa mantlha, tsa mopalami, le tsa litšoantšo ho fihlela sejari le litone tsa setšoantšo li hatelloa ka ho lekaneng.
Tlatsa mehato e latelang ho lekanya ho senyeha ha modulation ea NI 5611 ho sebelisa spectrum analyzer. 1. Hokela sehokelo sa phanele sa NI 5611 RF OUT se ka pele ho sebono
analyzer RF INPUT sehokelo sa phanele se ka pele. 2. Hokela chassis ea PXI Express 10 MHz REF IN sehokelo se ka morao sa phanele
ho spectrum analyzer 10 MHz REF OUT ka morao sehokelo sa phanele. 3. Letsetsa niRFSG Qalisa External Calibration VI. 4. Letsetsa niRFSG 5611 Initialize Impairment Calibration VI. 5. Letsetsa niRFSG 5611 Configure Impairment Calibration VI.
Hlokomela Boitšoaro bo sa feleng ba niRFSG 5611 Configure Impairment Calibration VI ke ho lekanya lihloela tsohle. Haeba u khetha ho lekanya filthara e le 'ngoe, pheta-pheta mokhoa oohle oa ho lekanya tsela ea RF bakeng sa sefe ka seng ho tse robeli ho tlatsa tekanyo e felletseng.
6. Sebelisa spectrum analyzer ho lekanya matla a molumo oa lentsoe ho sebelisa litlhophiso tse latelang tsa spectrum analyzer parameter: · Frequency frequency: Boleng bo boletsoeng ke Frequency to Measure (Hz) parameter ea niRFSG 5611 Lokisa LO Filter Calibration VI · Boemo ba boitsebiso: Boleng bo boletsoeng. ka Spectrum Analyzer Reference Level (dB) parameter ea niRFSG 5611 Configure Impairment Calibration VI · Frequency span: 0 Hz · Resolution bandwidth: 500 Hz · Nako ea ho fiela: 5 ms
7. Letsetsa niRFSG 5611 Adjust Impairment Calibration VI, 'me u fetise tekanyo ho tloha mohato oa 6 ho ea ho Measured RF OUT Power (dBm) parameter ea niRFSG 5611 Adjust RF Gain Calibration VI.
8. Pheta mehato ea 5 ho isa ho ea 7 ho fihlela parameter ea Complete Calibration Calibration e khutlisa boleng ba TRUE.
9. Letsetsa niRFSG Close External Calibration VI ho koala seboka le ho boloka liphetho ho EEPROM ho NI 5611.
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Mokhoa oa ho lekanya oa NI PXIe-5611
Ho fetola Phaello ea Tsela ea RF
Phetoho ena e fana ka maemo a nepahetseng a matla ho tsoa ho sehokelo se ka pele sa NI 5611 RF OUT. Tlatsa mehato e latelang ho hokahanya lisebelisoa hantle, joalo ka ha ho bonts'itsoe ho Setšoantšo sa 4, ho fetola phaello ea tsela ea RF.
4
1
23
5
Fetola Pwr +30 dBm MAX
TTL
NI PXIe-5450 400 MS/s I/Q Signal Generator
NI PXIe-5611 I/Q Vector Modulator
FINYELLO
SEBELISA
CLK IN
CH 0 +
FINYELLO
SEBELISA
85 MHz 6.6 GHz RF OUT
Ke+ ke+
5 Vp-p MAX, 50
NTHABISENG SEKONYELA
50
CH 0
PLS MOD I
0.7 Vp-p NOM
PFI 0
50
CH 1 +
LO IN Q+ Q+
LVT TL
PFI 1
LVT TL
50
CH 1
HO HLAHALA Q Q
50 ESD TSIETSO
RF PORTS ±5 VDC MAX
+18 dBm MAX
+18 dBm MAX
7 8
9
6
10
1 NI 5450 Arbitrary Waveform Generator 2 NI 5611 I/Q Modulator 3 NI 5652 RF Signal Generator 4 Power Sensor 5 Power Splitter
6 Attenuator 7 Power Meter 8 CH A Connector 9 Spectrum Analyzer 10 RF INPUT Connector
Setšoantšo sa 4. Ho kopanya Hardware ho Fetola Phallo ea Tsela ea RF
1. Kopanya boema-kepe ba ho kenya motlakase ho NI 5611 RF OUT sehokelo se ka pele sa phanele.
Mokhoa oa ho lekanya oa NI PXIe-5611
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2. Hokela chassis ea PXI Express 10 MHz REF IN sehokelo se ka morao sa spectrum analyzer 10 MHz REF OUT sehokelo se ka morao sa phanele.
3. Hokela kou e le 'ngoe e fumanehang ea sekhahla sa motlakase ho metha ea matla. 4. Hokela kou e le 'ngoe e fumanehang ea sekhechana sa motlakase ho 6 dB attenuator. 5. Hokela kou e le 'ngoe e fumanehang ea 6 dB attenuator ho spectrum
analyzer RF INPUT sehokelo sa phanele se ka pele.
Tlhokomeliso Bakeng sa liphetho tse ntle, u se ke ua sebelisa likhoele lipakeng tsa NI 5611, splitter ea matla, le sensor ea matla. Hokela lisebelisoa tsena ka kotloloho hammoho.
6. Letsetsa niRFSG Qalisa External Calibration VI. 7. Letsetsa niRFSG 5611 Initialize RF Gain Calibration VI. 8. Letsetsa niRFSG 5611 Configure RF Gain Calibration VI, 'me u behe
Instrument Transition Threshold (dBm) paramethara ho isa boemong ba matla bo lekanang le botlaaseng ba sebaka se nepahetseng sa metara ea matla.
Ela hloko Boitšoaro bo sa feleng ba niRFSG 5611 Configure RF Gain Calibration VI ke ho lekanya lihloela tsohle. Haeba u khetha ho lekanya filthara e le 'ngoe, pheta mokhoa oohle oa ho lekanya tsela ea RF ho e 'ngoe le e 'ngoe ea lihloela tse robeli ho tlatsa tekanyo e felletseng.
9. Hlophisa spectrum analyzer ho sebelisa litlhophiso tse latelang tsa spectrum analyzer parameter: · Setsi sa maqhubu: boleng bo boletsoeng ke Frequency to Measure (Hz) parameter ea niRFSG 5611 Lokisa RF Gain Calibration VI · Boemo ba boitsebiso: boleng bo boletsoeng ke Spectrum Analyzer Reference Level. (dB) parameter ea niRFSG 5611 Configure Impairment Calibration VI · Frequency span: 0 Hz · Resolution bandwidth: 500 Hz · Nako ea ho fiela: 20 ms · Attenuation: 5 dB · PreampLifier: Bula
10. U sebelisa lisebelisoa tse boletsoeng ke Measurement Instrument parameter ea niRFSG 5611 Configure Impairment Calibration VI, lekanya boholo ba matla a molumo o hlahisoang ka maqhubu a boletsoeng ke Frequency to Measure (Hz) parameter ea niRFSG 5611 Configure RF. Fumana Calibration VI.
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Mokhoa oa ho lekanya oa NI PXIe-5611
Ela hloko Haeba sesebelisoa se boletsoeng e le Power Meter & Spectrum Analyzer, joale u tlameha ho lekanya matla ka meter ea matla le spectrum analyzer ka nako e le 'ngoe. Litekanyo tsena li sebelisoa ho lokisa ho se nepahale ha spectrum analyzer.
11. Busetsa feela tekanyo ea methara ea matla bakeng sa tahlehelo ea sekhahla sa motlakase ka ho tlosa tahlehelo e lekantsoeng karolong ea Characting the Power Splitter ho tloha tekanyong ea metha ea matla mohatong oa 10 karolong ena.
12. Letsetsa niRFSG 5611 Fetola RF Gain Calibration VI, 'me u fetise litekanyo ho tloha mohato oa 11 ho ea ho Mekhatlo ea Matla a Meta (dBm) le / kapa Spectrum Analyzer Measurement (dBm) parameter.
13. Ha spectrum analyzer e lekanya boemo ba 110 dBm, eketsa nako ea ho fiela bakeng sa tekanyo ka 'ngoe ho 200 ms. Nako ea ho fiela e ka khutlela ho 20 ms ha parameter ea Measurement Instrument ea niRFSG 5611 Configure RF Gain Calibration VI e khutlisetsa boleng ba Power Meter. Nako ea ho fiela e lokela ho fapanyetsana makhetlo a 'maloa pakeng tsa 20 ms le 200 ms ha maemo ana a phethiloe.
Hlokomela Ke sesebelisoa se bonts'itsoeng ke parameter ea Measurement Instrument e hlileng e sebelisoang. Litefiso tse fetiselitsoeng bakeng sa sesebelisoa se sa sebetseng li hlokomolohuoa. Metara ea matla e sebelisetsoa litekanyo tse phahameng tsa matla, 'me spectrum analyzer e sebelisetsoa litekanyo tse tlase tsa matla.
14. Pheta mehato ea 8 ho ea ho 12 ho fihlela parameter ea RF Gain Calibration Complete e khutlisa boleng ba TRUE. Kakaretso ea tlatsetso ea hlokahala ho spectrum analyzer ho fokotsa litlamorao tsa lerata maemong a tlase a matla. Kamora hore boemo ba 90 dBm kapa ka tlase bo lekanyetsoe, eketsa nako ea ho fiela ho 200 ms bakeng sa litekanyo tse setseng tsa ts'ebetso.
15. Letsetsa niRFSG Close External Calibration VI ho koala seboka le ho boloka liphetho ho EEPROM ho NI 5611.
U qetile ho lokisa NI 5611. Pheta karolo ea Verification ho netefatsa ts'ebetso ea NI 5611 ka mor'a liphetoho.
Mokhoa oa ho lekanya oa NI PXIe-5611
26
Noa
Sehlomathiso A: Lisebelisoa tsa Calibration
NI-RFSG e fana ka tlatsetso e felletseng ea lisebelisoa tsa calibration VIs. U ka sebelisa utility VIs ho fumana leseli mabapi le liphetoho tse entsoeng ho NI 5611, fetola password ea calibration, 'me u boloke lintlha tse nyane ka har'a EEPROM. Pale ea Calibration Utility e kenyelletsa li-VI tse latelang: · niRFSG Fetola Password ea External Calibration VI · niRFSG Koala External Calibration VI · niRFSG Fumana External Calibration Letsatsi la ho Qetela le Nako VI · niRFSG Qalisa External Calibration VI · niRFSG Beha External Calibration Letsatsi la ho Qetela le Nako ea VI
Litlhahiso tsa Clibration VI
Li-VI tse sebelisitsoeng ts'ebetsong ena, ho kenyelletsa le li-VI tsohle tsa calibration le mesebetsi, li ngotsoe ho NI-RFSG VI Reference, eo u ka e fumanang ho NI RF Signal Generators Help at Start»All Programs»National Instruments»NI-RFSG»Documentation.
© Koporasi ea Naha ea Lisebelisoa
27
Mokhoa oa ho lekanya oa NI PXIe-5611
Moo U ka eang teng bakeng sa Tšehetso
Liletsa tsa Sechaba Web sebaka ke sesebelisoa sa hau se felletseng bakeng sa ts'ehetso ea tekheniki. Ho ni.com/support o na le phihlello ea ntho e 'ngoe le e' ngoe ho tloha ho tharollo ea mathata le lisebelisoa tsa ho ithusa ho isa ho imeile le thuso ea mohala ho tsoa ho NI Application Engineers.
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375067B-01
Mar10
Litokomane / Lisebelisoa
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