Isingeniso ku-3GHz Directly Modular Laser

Isingeniso ku-I-Laser Eqondile Ye-Modular engu-3GHz

Esikhathini samanje sokuthuthuka okusheshayo kobuchwepheshe, isidingo sama-laser asebenza kahle siyakhula emikhakheni eminingi. Kungakhathaliseki ukuthi ukuphishekela ukudluliselwa kwesignali okusebenzayo nokuzinzile noma ubuchwepheshe bokuzwela ngokunemba obudingayo, i-laser enhle kakhulu ibalulekile. Namuhla, singathanda ukwethula umkhiqizo osindayo ongahlangabezana nezidingo eziningi eziyinkimbinkimbi - uchungechunge lwe-ROF DML 3GHzI-Laser Eqondile Ye-Modularimodyuli. Ihlanganisa ngobuhlakani i-laser, isekethe yomshayeli, i-cooler eyakhelwe ngaphakathi, kanye nesekethe yokulawula izinga lokushisa, futhi lo mklamo ohlanganiswe kakhulu uthuthukisa kakhulu ukusebenza okuphelele. I-bandwidth yayo yokuguquguquka ingafinyelela ku-50KHz kuya ku-3GHz, idinga kuphela ukunikezwa kwamandla kwe-DC+5V. Isakhiwo sincane kakhulu futhi samukela ukupakishwa kwemodyuli. Akukhona nje kuphela ukuthi ukuzinza kwemodi kuhle kakhulu, kodwa umsindo wokuqina ohlobene uphansi, futhi amandla okukhanya okukhiphayo nawo azinzile kakhulu. Nge-bandwidth yayo ephezulu kanye nezici zokuguquguquka kwesignali ye-RF ezibucayi kakhulu, ngokungangabazeki iba yisinqumo esingcono kakhulu semithombo yokukhanya ye-analog RF signal direct modulation. Uyafuna ukwazi ukuthi ikhanya kanjani ezinhlelweni ezisebenzayo? Woza uzohlola ngokujulile nathi.

1. Isingeniso

I-3GHzI-laser ye-DMLuchungechunge luyimojula ehlanganisa ama-laser, amasekethe omshayeli, amafriji, kanye namasekethe okulawula izinga lokushisa. Isici sayo esiyinhloko ukusetshenziswa kwe-signal modulation eqondile yangaphandle, enomkhawulokudonsa obanzi we-modulation ongu-50KHz kuya ku-3GHz, futhi edinga kuphela ukunikezwa kwamandla kwe-DC+5V. Umklamo wayo uhlose ukuhlinzeka nge-bandwidth ephezulu kanye nokuzwela okuphezulu.umthombo wokukhanya we-modulation oqondileisisombululo sokulingisa amasignali e-RF (imvamisa yomsakazo).

2. Izici eziyinhloko kanye nezinzuzo

I-bandwidth ephezulu: Ibanga lemvamisa yokuguquguquka lisukela ku-50KHz kuya ku-3GHz.

Ukuhlanganiswa okuphezulu nokuqina: Ukupholisa okwakhelwe ngaphakathi kanye nokulawula izinga lokushisa kuqinisekisa amandla okukhanya aqinile okukhipha (ukuqina okuvamile± 0.05 dB/8h), imodi ezinzile, kanye nomsindo ophansi wokuqina okuhlobene.

Incane futhi kulula ukuyisebenzisa: ukupakisha okuhlanganisiwe, usayizi ongu-73x60x19.5 mm, ugesi owodwa.

Ukusebenza okuhle kakhulu: okwenzelwe ngqo amasignali e-analog, anokuzwela okuphezulu.

3. Amapharamitha okusebenza abalulekile

Ubude be-wavelength obuphakathi: Bunikeza izinketho ze-1310nm noma i-1550nm.

Amandla okukhipha okukhanya: Kunezincazelo ezimbili ongakhetha kuzo: 5mW kanye ne-10mW.

Umkhawulokudonsa wokushintshashintsha (@ 3dB): kufika ku-3GHz.

Isixhumi esibonakalayo: Okokufaka kwe-RF kuyisixhumi se-SMA-F esino-50 ojwayelekileΩ Ukufanisa impedance; Umphumela we-optical ungakhethwa kusuka kuzixhumi ezifana ne-FC/PC noma i-FC/APC, kanti i-fiber ingakhethwa kusuka kumodi eyodwa (i-SMF) noma ekulondolozeni i-polarization (i-PMF).

Izimo zokusebenza: Ububanzi bokushisa bokusebenza -10℃kuya ku-60℃, amandla aphezulu okufaka i-RF angu-20dBm.

4. Izinkambu Zohlelo Lokusebenza

Lo mkhiqizo uhloselwe kakhulu izimo ezidinga ukudluliswa kwesignali ye-analog esezingeni eliphezulu, okuhlanganisa: izixhumanisi zokudluliswa kwesignali ye-analog RF; Ukudluliswa kwewashi; Umthombo wokukhanya kwembewu;

Isidluliseli sesiginali se-analog se-cable TV (i-Cable TV).