Femto Stepper
100fs Resolution Phase StepperBukana ea Mosebelisi

Selelekela

FemtoStepper e fana ka 10MHz e tsitsitseng haholo, e fumanehang ka liphetho tse 'ne, e ka fetoloang ka mohato le khafetsa ka qeto e phahameng haholo. Ntle le liphetho tsa 10MHz, microstepper e fana ka pulse e le 'ngoe motsotsoana (1PPS) e fumanehang ho liphetho tse 'ne tse hlahisitsoeng ke 10MHz.
FemtoStepper e fana ka lets'oao la 10MHz le nkiloeng ts'ebetsong e phahameng, kristale oscillator ea lerata e tlase haholo e leng mohato o notletsoeng ho kenyelletso ea 10MHz ea kantle. E lumella ho lokisa liphetho ka mohato le khafetsa ntle le ho senya mohloli oa lets'oao la litšupiso mme ho nkuoa mehato ea ho itšireletsa e le ho fokotsa lerata le ekelitsoeng.
Moralo o ipapisitse le meaho e habeli ea heterodyne moo sebopeho sa pele se sebelisetsoang phetoho e ntle ea mohato / maqhubu le sebopeho sa bobeli bakeng sa phetoho e mpe.
Sesebelisoa se laoloa hole ka sehokelo sa serial sa RS-232, se fanang ka tlhaiso-leseling e nang le lethathamo le hlalositsoeng la litaelo. Litaelo tsohle li arotsoe bakeng sa syntax e nepahetseng le mefuta ea ts'ebetso pele e etsoa. Litaelo tse nang le liphoso lia hanoa.1.1. Phetoho ea Maqhubu
The frequency offset e sebelisoa ho tlhahiso ea 10MHz OCXO ka sebopeho sa heterodyne habeli e le ho eketsa qeto.Moo:
G: Phaello ea Heterodyne ea 106.
Δf e laoloa ke microprocessor.Moo:
N: Khafetsa e fokotsoa ka mehato e 10-17.
The frequency offset e lula e le boleng bo felletseng ho tsoa ho kenyelletso ea 10MHz.
Lethathamo la lihlahisoa le lekanyelitsoe hoo e ka bang ± 10-9. (±9.9999999 x 10-10)

1.2. Phetoho ea Mokhahlelo
Karolo ea tlhahiso e ka fetoloa ka qeto ea 0.1 picosecond ho feta boholo ba ± 50ns e le ho koahela nako eohle ea lets'oao la 10MHz. Phetoho ea mohato e etsoa tlas'a taolo ea microprocessor.
1.3. Taolo ea Microprocessor le PPS (Pulse per Second) Setsi
Microprocessor e laola mesebetsi. E tsamaisoa ke 10 MHz_out. Karohano ka 1e+7 e entsoe, ho fana ka PPS_out. PPS_out e ka amahanngoa le PPS_ref ka hare ho +/- 200 ns ha taelo ea AL1 e fanoa.

Ho kenya

2.1. Tšireletseho
Tlhokomeliso: Sebelisa litemoso tse nepahetseng tsa ESD
Tlhokomeliso: Netefatsa hore lithapo tsohle li hoketsoe hantle
Ho sebetsana le sehlahiswa maemong a ka bonwang esale pele ha ho bake kotsi leha e le efe bakeng sa bophelo bo botle ba batho, ho pepesehela SVHC (lintho tse amehang haholo) ho tla hloka ho sila karolo eo.

2.2. Boikarabello ba Tikoloho

• Thepa e na le lisebelisoa, tse ka sebelisoang hape kapa tsa sebelisoa hape.
• Se ke oa beha lisebelisoa joalo ka litšila tsa masepala tse sa hlophisoang. E tlohele sebakeng se lumelletsoeng sa pokello ea WEEE ea lehae kapa u khutlele ho Safran Trusted 4D ho netefatsa hore e lahloa ka nepo.
• Ho khutlisa sesebelisoa:
  • Kenya tekete ea tšehetso ho aftersales.clocks@nav-timing.safrangroup.com 'me u kope RMA.
  • Re tla ikopanya le uena bakeng sa tlhahisoleseding e eketsehileng le / kapa ka lintlha tsa tsamaiso ea thomello.

2.3. Ho phutholla
Hlakola le ho hlahloba yuniti ka hloko. Hlahloba tšenyo ea 'mele. Haeba tšenyo ea 'mele e bonoa, joale ikopanye le Safran Trusted 4D hang-hang.
Phepelo ea Unit:

• 1 FemtoStepper Rack 19"/2U
• 1 Cable SUB-D Lithakhisa tse 9 e motona/e motšehali
• 1 thapo ea motlakase ea Euro
• Li-brackets tse 2 tsa rack mount (feela ka mofuta o tloaelehileng)
• 1 Sehokelo bakeng sa Backup DL phepelo ea motlakase

2.4. Litšebelisano tsa Motlakase le Lipontšo

N°	Ka hare/Kantle	Khethollo	Mofuta
J1	In	Matla a mantlha a 230VAC	Schurter KM00.1105.11
J2	In	+ 24VDC ho boloka matla	Jaeger 5306004006
J3	Ka hare/Kantle	COM Interface	Sub-D-9P-FEM
J4	-	Khokahano ea fatše	Tlosa M4
J5	In	10 MHz pontšo ea pontšo	SMA
J6	In	Letšoao la PPS	SMA
J7-J10	Tsoa	4x tlhahiso ea PPS	SMA
J11-J14	Tsoa	4x 10MHz tlhahiso	SMA
S1	-	Ho tima/Ho tima
F1	-	Fuse ea motlakase ea mantlha - T 3,15A
F2	-	Ho boloka fuse ea phepelo ea matla - T 1,6A
L1	-	Pontšo ea matla a mantlha	Botala
L2	-	Sesupo sa matla a bekapo	Botala
L3	-	Letšoao la alamo	Khubedu
L4	-	Letšoao la ho matha	Botala
L5	-	Letšoao la ho qala	Bosehla

Lethathamo la 1: Li-interface

	Pin	Khethollo
J1	In	Matla a mantlha a 230VAC
J2	In	+ 24VDC ho boloka matla
J3	Ka hare/Kantle	COM Interface
J4	-	Khokahano ea fatše

Lethathamo la 2: Backup Power Connector2.5. Lihokelo

• Hokela tšupiso ea 10MHz ho yuniti ea FemtoStepper (J5).
• Hokela, haeba ts'ebetso ea PPS e lakatseha, lets'oao la PPSref (J6).
• Hokela SUB-D-9 ea monna ho yuniti (J3) le SUB-D-9 ea basali khomphuteng.
• Hokela thapo ea motlakase ea mantlha (230VAC) ho yuniti (J1).
• Hokela thapo ya matla ya bekapo (+24VDC) ho yuniti (J2).
• Ka khetho, hokela sesebelisoa fatše (J4).
• Bulela yuniti (S1).

2.6. Litlhahiso 

• FemtoStepper e futhumatsang lihora tse 'maloa pele o qala lits'ebetso.
• Ho fokotsa nako ea ho futhumatsa, boloka FemtoStepper e ntse e sebetsa ka linako tsohle esita le ha lets'oao la ho kenya letsoho le le sieo.
• Ho netefatsa ts'ebetso e tsoelang pele, hokela mohloli oa matla oa "backup" oa 24V.
• Qoba libaka tsa yuniti e nang le phallo e fapaneng ea moea le liphetoho tsa mocheso.
• Qoba ho beha FemtoStepper haufi le tikoloho ea vibrate le liphetoho tse phahameng tsa matla a khoheli.

2.7. Matla a Sisteme

• Bulela yuniti (S1).
• Haeba matla a mantlha a hokahane, letšoao la L1 le tala.
• Haeba matla a bekapo a hokahane, letšoao la L2 le tala.
• Letšoao la alamo (L3) le khubelu ha le ntse le futhumala.
• Nakong ea metsotsoana e mehlano ea pele, microprocessor e etsa tlhahiso. Qetellong ea tatellano ea ho qala, L5 ea tima.
• Kamora metsotso e ka bang leshome le metso e mehlano, letšoao la alamo (L3) le tlameha ho tima. Haeba e ntse e le khubelu, hlahloba hore na referense ea ho kenya e hoketsoe (J5).
• Ha u se u itokiselitse ho sebetsa letšoao la ho sebetsa (L4) le fetoha le letala.
• Ha ho sebelisoa frequency offset, letšoao le sebetsang (L4) lea panya.

3. Taolo ea Tsamaiso
Sesebelisoa se laoloa hole ka sehokelo sa serial sa RS-232, se fanang ka tlhaiso-leseling e nang le lethathamo le hlalositsoeng la litaelo. Litaelo tsohle li arotsoe bakeng sa syntax e nepahetseng le mefuta ea ts'ebetso pele e etsoa. Litaelo tse nang le liphoso lia hanoa.

Protocol ea RS232 ke:

Likotoana tse 9600 / s 8 lintlha tsa data Ha ho tekano 1 ema hanyane Ha ho ts'oarana ka letsoho

FemtoStepper e amohela litaelo tse latelang tsa ASCII: Lintlha li ho khoutu ea ASCII ea decimal.

Lebitso la Taelo	Taelo ea Syntax	Data Field (haeba e teng)	Syntax ea Karabo	Lintlha tsa Karabo (haeba li teng)
Boitsebiso	ID	-	TNTMPS-aaa/rr/s.ss	kea: 001 rr: nomoro ea ntlafatso s.ss: mofuta oa software
Nomoro ea letoto	SN	-	xxxxx	xxxxx : 6 linomoro tsa serial nbr
Boemo	ST	-	yyxx	yy : kamehla 00 (bakeng sa tšebeliso ea nako e tlang) xx : HEX ASCII Tlhaloso: hanyane 7 :- Bit 6 :backup power active Bit 5 :primary power active Bit 4 :frequency drift not 0 Bit 3 :frequency offset not 0 Bit 2 : mohato oa mohato Bit 1: OOL - Bit 0: OOL +
Mohato o le Mong	PSs	s= + : Mohato o Molemo s= – : Mohato o Fosahetseng	s	s: pontšo s= + : Mohato o Molemo s= – : Mohato o Fosahetseng
Pakete Mohato Mohato	Pssdddddd	s=+ : Positive Packet Mohato s=- : Negative Packet Mohato dddddd: nomoro	sddddd	s: pontšo s=+ : Positive Packet Mohato s=- : Negative Packet Mohato dddddd: boleng
Hantle-ntle Phase Offset	PH	-	sddddd	s: pontšo s=+ : Positive Packet Mohato s=- : Negative Packet Mohato dddddd: boleng Ho tloha ho 000000 Ho ea ho 500000
Frequency Offset	FAsdddddddd	s= + : Positive offset s= – : Phetoho e mpe dddddddd: nomoro	sdddddd	s= + : Positive offset s= – : Phetoho e mpe dddddddd: boleng
Hantle-ntle Frequency Offset	FR	-	sdddddd	s= + : Phetoho e ntle s= – : Negative offset dddddddd: boleng
Frequency Drift	FDsdddd	s= + : Positive drift s= – : Ho hoholeha ho fosahetseng	sdddd	s= + : Positive drift s= – : Ho hoholeha ho fosahetseng dddd : boleng ho 1E-17/letsatsi frequency drift
Hlophisa PPSOUT ho PPSREF	ALd	d=1 : ikamahanya d= ? : boemo ba ho tsamaisana	d	d= 0: e loketse ho lokisoa d= 1: tekatekanyo e ntse e tswela pele d= 2 : ha ho PPSREF
Beha tieho ea PPSOUT (e pota-potiloe ho isa ho 200ns)	DEdddddddd < LF>	dddddddd=tieho ho ns. Boholo 999999800 ????????? :ho hlongoa lipotso	dddddddd=tieho ho ns. Boholo 999999800 ????????? :ho hlongoa lipotso	dddddddd=tieho ho ns. Min 000000000 Boholo ba 999999800
Romela Litaba Motsotsoana o Mong le o Mong	BTx	x= 0 : Emisa ho romela x= 3 : PPSRef boemo x= 5 : Boemo	x=3 : aaaaaaaa sbbb x=5: yyxx	aaaaaaaaa= PPSOUT vs PPSREF tieho ka ns. sbb= boleng bo botle ba ho bapisa mokhahlelo ka hoo e ka bang. ns yyxx= bona taelo ea ST

Letlapa la 3: Kakaretso ea litaelo tsa serial

Litaelo tsa RS232

4.1. Boitsebiso

ID [ ] :	Boitsebiso
Karabo :	TNTMPS-aaa/rr/s.ss kea: 001 rr: nomoro ea ntlafatso s.ss: mofuta oa software
Example:	ID likarabo TNTMPS-001/01/1.00

4.2. Nomoro ea serial

SN [ ]:	Nomoro ea letoto
Karabo :	xxxxx Xxxxxx : linomoro tse 6 tsa seriale
Example:	SN likarabo 000015

4.3. Boemo

ST [ ] :	Boemo
Karabo :	yyxx yy : kamehla 00 (e boloketsoe tšebeliso ea nako e tlang) xx : HEX ASCII boemo : karolo ea 7 :- bit 6 : matla a bekapo a sebetsa bit 5 : matla a mantlha a sebetsa bit 4 : frequency drift eseng 0 bit 3: frequency offset eseng 0 bit 2 : ts'ebetso ea ho hata hanyane 1: OOL negative loop bit 0: OOL positive loop
Example:	ST likarabo 0068 (backup le matla a mantlha a sebetsa, frequency offset e sebelisitsoe, ha ho na maqhubu a ho hoholehang, sistimi e notletsoe)
Hlokomela :	BT5 romela boemo hang ka motsotsoana ka mokhoa o ts'oanang.

4.4. Mohato o le Mong

PSs [ ] :	: Mohato o le mong s = +: 1 mohato o motle oa metsotsoana e 10-13 – : Mohato o le 1 o mobe oa metsotsoana e 10-13
Karabo :	s s: letšoao la mohato o le mong oa mohato
Example:	PS+ likarabo +
Hlokomela :	Litokiso tsa mokhahlelo ha se boleng bo felletseng.

4.5. Pakete Mohato Mohato

Pssdddddd [ ] :	Mohato oa mohato oa pakete s = +: phetoho e ntle ea mohato - : phetoho e mpe ea mohato dddddd : phetoho ea mohato ka metsotsoana e 10-13 000000 ho isa ho 500000 000001 : bonyane tokiso ea mohato (±1×10-13 s) 500000 : phetoho e phahameng ea mohato (± 5×10-9 s) 000000 : ha ho phetoho ea mohato
Karabo :	sddddd sdddddd: boleng ba phetoho ea mohato
Example:	PS+000100 likarabo +000100 (ho botsoa phetoho e ntle ea karolo ea 10-11)
Hlokomela :	Litokiso tsa mohato ke liphetoho tsa hang-hang 'me lia eketseha ka liphetoho tsa mokhahlelo o fetileng.

4.6. Phetoho ea 'Nete ea Mokhahlelo

PH [ ] :	Phetoho ea 'nete ea mohato
Karabo :	sddddd s = +: phetoho e ntle ea mohato - : Phetoho e mpe ea mohato dddddd : boleng ba phetoho ea mohato ka mohato oa bobeli oa 10-13
Example:	PH likarabo -000020 (ho sebelisitsoe phetoho ea 'nete e mpe ea 2 × 10-12 motsotsoana)
Hlokomela :	Mohato oa 'nete ke liphetoho tse bokelletsoeng tsa mohato ho tloha qalong ea sistimi. A frequency offset e fapaneng le 0 seta phetoho ea mohato ho 0.
Example:	Ka taelo PS+000002 o rometsoe, Ho T1 taelo PS-000007 o rometsoe, Ho T2 taelo PS+000009 e rometsoe, Ho T3 taelo PH likarabo +000004 e lumellanang le kakaretso bokeletseng mohato phetoho sebelisoa ho fihlela T3 (2-7+9 = 4×10-13 metsotsoana).

4.7. Frequency Offset

FAsdddddddd [ ] :	Makhetlo a koaloang khafetsa s = +: offset e ntle ea maqhubu -: Negative frequency offset dddddddd : frequency offset ho 10-17 mohato 00000000 ho 10000000 00000001 : bonyane ba frequency offset (±1×10-17) 99999999 : palo e phahameng ea ho fokotsa maqhubu (±9.9999999×10-10) 00000000: ha ho na frequency offset
Karabo :	sdddddd sdddddd : boleng ba frequency offset
Example:	FA+00010000 likarabo +00010000 (ho botsoa khafetsa frequency offset ea 10-13 mabapi le frequency reference)
Hlokomela :	Frequency offset ke boleng bo felletseng ho tsoa ho maqhubu a litšupiso tse kentsoeng. Fensetere e ncha ea frequency offset e hlakola e fetileng.

4.8. Hantle-ntle Frequency Offset

FR [ ] :	Haele hantle, frequency offset
Karabo :	sdddddd s = +: offset e ntle ea maqhubu - : ho fokotsa maqhubu a fosahetseng dddddddd : frequency offset ka mohato oa 10-17
Example:	FR likarabo -00100000 (maqhubu a mabe a 10-12 a amanang le maqhubu a litšupiso tsa tlhahiso ke sebelisoa)
Hlokomela :	Frequency offset ke boleng bo felletseng ho tsoa ho maqhubu a litšupiso tse kentsoeng. E ncha frequency offset hlakola e fetileng.
Example:	Ka taelo FA+00600000 e rometsoe, Ho T1 taelo FA-00020000 o rometsoe, Ho T2 taelo ea FR likarabo -00020000 e leng eona ea sebele frequency offset (e lumellana le taelo ea ho qetela ea frequency offset e sebelisitsoeng pele ho T2.)

4.9. Frequency Drift

FDsdddd [ ] :	: Fetola maqhubu ka nako s = + : ho hoholeha ho nepahetseng - : ho hoholeha ho hoholo ha maqhubu dddd : ho hoholeha khafetsa ka 1E-17/letsatsi -32768 ho ea ho +32767 + 00000 ha ho na ho hoholeha ?????? Ho hlongoa lipotso
Karabo:	sdddd : ke sa tsoa botsa drift kapa drift ehlile e sebetsa
ExampLe:	FD?????? likarabo +00100 . Maqhubu a eketseha ka 1E- 17 metsotsoana e meng le e meng e 864 mme boleng bona bo ka baloa morao ka taelo ea FR.

4.10. Pulse Per Second Alignment

ALd [ ] :	Ho tsamaisana le PPSOUT ho PPSREF d = 1 : ikamahanya ? : ho hlongoa lipotso
Karabo :	d 0: e loketse ho lokisoa 1: ho tsamaisana ho ntse ho tsoela pele 2: ha ho PPSREF
Example:	AL1 likarabo 1
Lintlha:	Ha taelo e ntse e tsoela pele, PPSOCAL ea ka hare e hokahane le PPSREF. Sena se ka nka metsotsoana e 30. Ho tsamaisana ho etsoa ka hare ho +/- 200 ns. Ka mor'a ho lumellana le DE ????????? likarabo 000000000 Taelo ena ha e na tšusumetso ho tlhahiso ea 10 MHz.

4.11. PPSOUT tieho

DEdddddddd [ ] :	Beha tieho ea PPSOUT dddddddd : ho lieha ho ns 000000000 ho ea ho 999999800 000000000: ha ho tieho 000000200 : ho lieha ho fokolang 999999800 : ho lieha ho hoholo ????????? : ho hlongoa lipotso
Karabo :	dddddddd dddddddd : Ke kopa ho lieha
Example:	DE????????? likarabo 000000000
Lintlha :	Ka mor'a hore matla a bulela / Reset, boemo ba PPSOUT ha bo fetohe. Ka mor'a taelo ea AL1, PPSOUT e amahanngoa le PPSREF 'me tieho ke lula ho 0. Taelo ena ha e na tšusumetso ho tlhahiso ea 10 MHz.

4.12. Litaba Motsotsoana o mong le o mong

BTx [ ] :	romella tlhahisoleseling hang ka motsotsoana boema-kepeng ba serial x= 0 : emisa ho romela
Karabo :	ha ho letho x = 3 : PPSOUT vs PPSREF boemo
Karabo :	aaaaaaaaa sbb hang ka motsotsoana aaaaaaaaa : PPSOUT e tala vs boemo ba PPSREF ho ns, e pota-potiloe ho mehato ea 200 ns 000000000 : PPSOUT e hokahane le PPSREF 000000200 : boleng ba bonyane 999999800 : boleng bo phahameng ????????? : ha ho PPSREF sbb : s : letšoao +/- ; bbb: boleng ba analoge bo botle ba ho bapisa PPS hoo e ka bang ns. PPSOCAL vs PPSREF +000 : PPSOCAL le PPSREF li hokahane hantle. -500 : boleng bo tlaase ka ho fetisisa +500 : boleng bo phahameng ka ho fetisisa
Ela hloko :	taelo AL1 e tlameha ho romeloa pele ho tlisa PPSOCAL ka Sebaka sa ts'ebetso sa PPS phase comparator. x = 5 : Boemo
Karabo :	yyxx hang ka motsotsoana Sheba taelo ea Boemo bakeng sa lintlha

Mechini

Tšehetso ea Theknoloji ea Safran

Bakeng sa tšehetso ea tekheniki, o ka etela https://safran-navigation-timing.com/support-hub/ ho fana ka kopo ea tšehetso.
Bakeng sa lintlha tsa sehlahisoa le litokomane tse ling, etela leqephe la sehlahisoa sa rona ho https://safrannavigation-timing.com/product/femtostepper/

Ho lumeloa hore boitsebiso bo fanoeng ke Safran bo nepahetse ebile bo tšepahala. Leha ho le joalo, ha ho na boikarabelo bo nkoang ke Safran bakeng sa tšebeliso ea eona, kapa bakeng sa tlōlo ea molao ea litokelo tsa molao kapa litokelo tse ling tsa batho ba bang tse ka bakoang ke tšebeliso ea eona. Safran e na le tokelo ea ho etsa liphetoho ntle le tsebiso e eketsehileng ho lihlahisoa leha e le life tse teng mona. Safran ha e fane ka tiisetso, boemedi kapa tiisetso mabapi le ho tshwaneleha ha dihlahiswa tsa yona bakeng sa morero ofe kapa ofe, leha e le hore Safran ha e nke boikarabelo bo hlahang ka lebaka la kopo kapa tshebediso ya sehlahiswa sefe kapa sefe kapa potoloho, mme e itokolla ka ho hlaka melato efe kapa efe, ho kenyeletswa ntle le moedi wa ditlamorao. kapa tshenyo e sa lebelloang. Ha ho laesense e fanoang ka moelelo kapa ka tsela e 'ngoe tlas'a litokelo tsa patent kapa litokelo tsa patent tsa Safran. Matshwao a kgwebo le matshwao a ngodisitsweng ke thepa ya beng ba ona. Lihlahisoa tsa Safran ha lia rereloa ts'ebeliso efe kapa efe eo ho hloleha ha sehlahisoa sa Safran ho ka bakang boemo moo kotsi ea motho kapa lefu le ka hlahang. Haeba Moreki a ka reka kapa a sebelisa lihlahisoa tsa Safran bakeng sa kopo efe kapa efe e sa reroang kapa e sa lumelloeng, Moreki o tla lefa le ho boloka Safran le liofisiri tsa eona, basebetsi, liofisiri, mekhatlo e ikopantseng le baphatlalatsi ba sena kotsi khahlanong le likopo tsohle, litšenyehelo, lits'enyehelo le litšenyehelo, le litefiso tse utloahalang tsa molao tse hlahang. ho tsoa, ​​ka ho toba kapa ka tsela e sa tobang, tseko efe kapa efe ea kotsi ea botho kapa lefu le amanang le tšebeliso e sa reroang kapa e sa lumelloeng, le haeba tseko e joalo e bolela hore Safran e ne e sa tsotelle mabapi le moralo kapa tlhahiso ea karolo eo.

Safran Electronics & Tšireletso
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Litokomane / Lisebelisoa

SAFRAN FemtoStepper 100fs Resolution Phase Stepper [pdf] Bukana ea Mosebelisi FemtoStepper 100fs Resolution Phase Stepper, FemtoStepper, 100fs Resolution Phase Stepper, Resolution Phase Stepper, Phase Stepper, Stepper

Litšupiso

• Bukana ea Mosebelisi