PicoLAS LDP-V 75-200 Masu Sauyawa
Yadda ake amfani da Manual
Sanarwa: Dangane da aikace-aikacen ƙarshe da tsarin aiki dole ne a haɗa wannan rukunin a kan matattarar zafi ko yana iya zama mara sanyaya. Rashin sanyaya mara kyau na iya haifar da lalacewa ga abubuwan lantarki. Da fatan za a koma zuwa sashin "Rashin wutar lantarki" don ƙarin cikakkun bayanai kan asarar wutar lantarki yayin aiki.
Kafin kunna na'urar direban ku karanta wannan jagorar sosai kuma ku tabbata kun fahimci komai.
Tsanaki: Babban ƙarartages har zuwa 200 V suna nan a yawancin abubuwan PCB. Kar a taɓa lokacin aiki.
Da fatan za a kula da duk gargaɗin aminci.
Idan kuna da shakku ko shawarwari, da fatan za ku yi shakka a tuntuɓe mu!
Dos da Kadai
Taba ƙasa kowane mai haɗa fitarwa.
Taba yi amfani da duk wani bincike mai tushe a wurin fitarwa.
Kar ka haɗa oscilloscope ɗin ku zuwa fitarwa!
Wannan nan take zai halaka direban da binciken!
Kar ka haɗa voltages a baya polarity zuwa na'urar saboda babu ginanniyar da'irar kariya.
Yi amfani jerin wutar lantarki: Bada izinin samar da +5 V voltage cika ramp sama kafin amfani da wani voltages (HV; Ƙaddamar da Shigarwa).
Kar ka yi amfani da ƙarfin injina akan abubuwan PCB kamar yadda suke da rauni.
Sakamakon lalacewa ba a rufe ta da garanti.
Hattara: Wasu kayan wutar lantarki suna haifar da ƙarar ƙararrawa yayin kunnawa da kashewa. Waɗannan na iya lalata naúrar!
Ku kiyaye haɗa igiyoyi tsakanin wutar lantarki da direba a takaice gwargwadon yiwuwa.
Yadda ake farawa
| Mataki | Abin da za a yi | Duba |
| 1 | Cire kayan na'urar ku. | |
| 2 | Haɗa diode laser zuwa direba. | Da fatan za a duba sashin "Haɗin Laser Diode" don ƙarin cikakkun bayanai. |
| 3 | Haɗa direban a kan madaidaicin zafin rana. Ana iya ƙetare wannan matakin ne kawai idan damuwa ga direba ya ragu sosai. | Dubi sashin "Rushewar Wuta" don ƙarin bayani game da ɓarnawar thermal. |
| 4 | Haɗa GND, +20 V da HV+ zuwa mai haɗin fil 6 MOLEX 430450606. A kashe wutar lantarki. | Da fatan za a duba sashin “Yadda ake haɗa
Driver" don ƙarin bayani. |
| 5 | Haɗa janareta bugun bugun jini zuwa jack ɗin shigarwar SMA. | Tabbatar cewa ba a ciyar da bugun bugun jini kafin kunna naúrar. |
| 6 | Yi jerin wutar lantarki kamar haka:
|
Shawarar tsaro: Kar a taɓa abubuwan PCB kusa da diode laser tunda suna iya ɗaukar babban voltagda har zuwa 200 V.
Lura: Kula da iyakokin direbobi kamar yadda yake a cikin sashin "Rushewar Wutar Lantarki" don guje wa yin lodin direba. |
| 7 | Bincika fitarwa na gani na diode na laser. | |
| 8 | Kashe jerin: Kashe janareta na bugun jini sannan ka kashe duk hanyoyin wuta (+20 V da HV+). |
Haɗin Laser Diode
Hoto 1: Ma'auni na haɗin haɗin gwiwa don diode laser 
Hoto 2: Rufe LD pads; girma a cikin millimeter
LD- da LD+ pads suna cikin babban gefen direban. Don ma'auni na ma'auni don Allah koma zuwa girman da ke cikin Hoto 1. Dukansu pads kuma ana yiwa alama da +/- don nuna madaidaicin polarity.
Abubuwa da yawa da abubuwan "ɓatattun" parasitic na iya shafar aikin sashin direba. ɓataccen inductance na nauyin da aka haɗa da direba yana da mahimmanci. Kalmar "Load" ba kawai ya haɗa da diode kanta ba har ma da marufi (wayoyin haɗin!) da haɗin kai tsakanin direba da diode. Koyaya, PicoLAS ba shi da tasiri akan waɗannan sassa.
Koma zuwa Bayanan Bayanin Aikace-aikacen PicoLAS "Tasirin Diodes" da "LD-Haɗin kai" don ƙarin bayani kan abubuwan da ba su da lahani da tasirin su akan siffar bugun jini. Idan kuna buƙatar girman kushin daban don diode na laser, da fatan a yi shakka a tuntuɓe mu. Shirye-shiryen kushin da aka keɓance yana yiwuwa don daidaita girman nauyin nauyin ku.
Yadda ake haɗa Direba
Hoto 3: Hoton shimfidar PCB
Sigina na 6 pin Micro-Match header:
| Pin | Suna | Bayani |
| 1 | nc | nc |
| 2 | NTC | Na ciki 10 kOhms NTC da GND don kula da zafin jiki, PT1000 B-darajar: 3850 ppm / K |
| 3 | GND | Komawar kasa |
| 4 | GND | Komawar kasa |
| 5 | HV+ | Babban babban voltage shigar da kayan aiki (0 .. 190V) |
| 6 | + 20 ... 25 V | +20 .. 25 V wadata voltage, haɗa zuwa samar da wutar lantarki mai ƙarfi |
Ƙaddamar da Shiga (7):
Shigar da faɗakarwa yana buƙatar sigina na 5 V kuma an ƙare shi da 50 Ohms. Faɗin bugun siginar shigarwa yana cikin kewayo daga 4 .. 100 ns. Don ƙarin bayani duba sashe na gaba.
Shawarar Tsaro:
Kar a taɓa kowane jagorar fitarwa ko capacitors na fitarwa saboda suna iya ɗaukar babban voltagkarfin har zuwa 200 V.
Pulse Input
Dole ne janareta mai tayar da hankali ya kasance yana iya isar da 5 V zuwa 50 Ohms kuma aƙalla 4 ns har zuwa 100 ns faɗin bugun jini.
Lura: Ana ba da shawarar kiyaye nisa bugun bugun bugun jini a cikin kewayon 4 .. 100 ns tunda tsayin bugun jini zai ƙara asarar wutar lantarki.
Idan aka ba da ingantacciyar siginar faɗakarwa nau'in bugun bugun jini ya dogara ne kawai akan babban voltage samar matakin da Laser diode ta halaye.
Bukatun Samar da Wuta
Direba yana buƙatar samar da ingantaccen +20 V (amfani da dabaru na sarrafawa).
Tsanaki: Dole ne dogo na +20 V ya kasance gaba ɗaya ramped-up a cikin 2 ms don tabbatar da ingantaccen farawa na direban gate.
Bi tsarin kunna wutar lantarki kamar haka:
- Cikakkun ramp sama da +20 V dogo
- Kunna samar da HV+
- Aiwatar da siginar faɗakarwa
Idan kuna nufin haɗa ɗimbin raka'o'in direbobi zuwa samar da wutar lantarki guda ɗaya, za a iya kula da manyan abubuwan farawa na yanzu ta amfani da ƙarin bankin capacitor da kuma sauya wuta mai ƙarfi a fitowar sa. Rashin cika wannan buƙatu na iya haifar da kewayar direban ƙofar ya tsaya a cikin mara kyau.
Lura: Ana iya katse samar da HV+ Laser diode a kowane lokaci misali saboda dalilai na aminci ta abokin ciniki.
Amfanin Yanzu
Rarraba igiyoyin ruwa
| wadata shigarwa | Sharuɗɗa | Min. | Max. | Naúrar |
| +20 V | 20V..25 ku | / | / | mA |
Sigina mai tayar da hankali yana nan
| wadata shigarwa | Sharuɗɗa | Buga | Max. | Naúrar |
| +5 V | 4.8V..5.2 ku | 0.3 | 1 | mA |
Sanyi
Direba farantin gindi ne kawai aka sanyaya. Da fatan za a haɗa duka naúrar zuwa mashin zafi wanda zai iya fitar da zafi.
Kwancen zafi ya dace idan tsarin zafin jiki bai wuce iyakar aiki ba.
Kulawa na Yanzu
Dole ne janareta mai tayar da hankali ya kasance yana iya isar da 5 V zuwa 50 Ohms kuma aƙalla 4 ns a cikin faɗin bugun jini.
Idan aka ba da ingantacciyar siginar faɗakarwa nau'in bugun bugun jini ya dogara ne kawai akan babban voltage samar matakin da Laser diode ta halaye. Don misalta halayen direba, hoton hoton da ya biyo baya yana nuna siginar mai saka idanu na yanzu yayin da aka gajarta fitowar LD.
Matsakaicin girman Imon na yanzu shine 0.05 V/A ko 20 A/V
Sharuɗɗan Aiki da aka Shawarar
| wadata voltages | Min. | Buga | Max. | Naúrar |
| HV+ | – | – | +190 | V |
| +20 V | +20 | +24 | +25 | V |
| Tasiri shigarwa | Min. | Buga | Max. | Naúrar |
| HIGH matakin shigarwa voltage
@ Zin=50 Ω |
2.8 | 5 | +5.2 | V |
| LOW matakin shigarwa voltage
@ Zin=50 Ω |
0 | 0 | +0.8 | V |
| Faɗin bugun bugun jini | 4 | – | 100 | ns |
| Yawan maimaitawa | – | – | 250 | kHz ba |
Cikakken matsakaicin Mahimman ƙima (lalata iyaka)
| wadata voltages | Min. | Max. | Naúrar |
| HV+ | 0 | +190 | V |
| +20 V | 0 | +25 | V |
| Tasiri shigarwa | Min. | Max. | Naúrar |
| Sigina mai tayar da hankali voltage, rashin ƙarewa | 0 | +5.2 | V |
Siginar Ƙarfafawa:
Lura cewa matsakaicin ma'auni na faɗin bugun bugun jini da ƙimar maimaitawa sun dogara da ainihin babban voltage (HV+). Dubi sashin "Rashin wutar lantarki" don jagora. Tunda fadin bugun bugun ƙofa na ciki yana iyakance ga mafi ƙarancin 20 ns, gajeriyar bugun jini fiye da 20 ns ba zai ba da fa'idar aiki ba. Koyaya, tsayin bugun bugun jini fiye da 20 ns zai ƙara zuwa asarar wutar lantarki (duba sashin “Sharuɗɗan Aiki da aka Shawarar” a sama).
Ya kamata a kiyaye siginar tuƙi zuwa shigarwar bugun jini ƙasa yayin da +5V ke ba da voltage kasa.
Girman Heat Sink da PCB
Hoto 4: Girman ramin zafi da PCB
Matsayin Masu Haɗawa da Ramukan Hawa
Hoto 5: Matsayin masu haɗawa da ramukan hawa
Takardu / Albarkatu
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PicoLAS LDP-V 75-200 Masu Sauyawa [pdf] Manual mai amfani LDP-V 75-200 Maɓalli Mai Sauƙaƙe, LDP-V 75-200, LDP-V 75-200 Ƙunƙara, Ƙarƙashin Ƙarƙashin Ƙarfafawa |
