Ultra Compact IQ Modulator Bias Controller Atomatik Bias Controller
Siffar
• Yana ba da son zuciya guda uku don IQ modulators Tsarin daidaitawa mai zaman kansa:
• An tabbatar da QPSK, QAM, OFDM, SSB
• Toshe kuma Kunna:
Babu gyaran hannu da ake buƙata Komai ta atomatik
• I, Q makamai: sarrafawa a kan Peak da Null halaye Babban rabo mai lalacewa: 50dB max1
• P hannu: sarrafawa akan Q+ da hanyoyin Q- Daidaitacce: ± 2◦
• Ƙarƙashin bayanin martaba: 40mm(W) × 28mm(D) × 8mm(H)
• Babban kwanciyar hankali: cikakken aiwatar da dijital Sauƙi don amfani:
• Manual aiki tare da mini jumper m OEM ayyuka ta UART2
• Hanyoyi guda biyu don samar da wutar lantarki na son zuciya: a.Automatic Bias Control b.Ma'anar wutar lantarki mai amfani
Aikace-aikace
•LiNbO3 da sauran IQmodulators
•QPSK, QAM, OFDM, SSB da dai sauransu
• Sadarwa tare
Ayyuka
Hoto 1. Ƙungiya (ba tare da mai sarrafawa ba)
Hoto 2. QPSK Constellation (tare da mai sarrafawa
Hoto 3. QPSK-Ido samfurin
Hoto 5. 16-QAM Tsarin Taurari
Hoto 4. QPSK Spectrum
Hoto 6. 16-QAM Spectrum
Ƙayyadaddun bayanai
| Siga | Min | Buga | Max | Naúrar |
| Ayyukan Gudanarwa | ||||
| I, Q makamai ana sarrafa suBabu (mafi ƙarancin) koKololuwa (Mafi girman) batu | ||||
| Ragowar lalacewa | MER1 | 50 | dB | |
| Ana sarrafa P hannuQ+(dama quadrature) koQ-( hagu quadrature) batu | ||||
| Daidaitacce a Quad | -2 | +2 | digiri2 | |
| Lokacin tabbatarwa | 15 | 20 | 25 | s |
| Lantarki | ||||
| Ingantacciyar wutar lantarki | +14.5 | +15 | +15.5 | V |
| Ingantacciyar wutar lantarki | 20 | 30 | mA | |
| Rashin wutar lantarki mara kyau | -15.5 | -15 | -14.5 | V |
| Rashin ƙarfin halin yanzu | 8 | 15 | mA | |
| Fitar wutar lantarki | -14.5 | +14.5 | V | |
| Dither amplitude | 1%Vπ | V | ||
| Na gani | ||||
| Input na gani ikon3 | -30 | -8 | dBm | |
| Tsawon igiyoyin shigarwa | 1100 | 1650 | nm | |
1. MER yana nufin Ratio na Kashe Modulator. Matsakaicin ɓarna da aka samu yawanci shine rabon ɓarna na modulator da aka kayyade a cikin takaddun bayanai na modulator.
2. Da fatan za a lura cewa shigar da ikon gani bai dace da ikon gani a wurin da aka zaɓa ba. Yana nufin matsakaicin ƙarfin gani wanda na'ura mai haɓakawa zai iya fitarwa zuwa mai sarrafawa lokacin da ƙarfin wutar lantarki ya bambanta daga -Vπ zuwa +Vπ .
Interface mai amfani
Hoto5. Majalisa
| Rukuni | Aiki | Bayani |
| Sake saiti | Saka jumper kuma cire bayan 1 seconds | Sake saita mai sarrafawa |
| Ƙarfi | Tushen wuta don mai sarrafa son zuciya | V- ya haɗu da mummunan lantarki na wutar lantarki |
| V+ yana haɗa ingantaccen lantarki na wutar lantarki | ||
| Tashar ruwa ta tsakiya tana haɗawa da lantarki na ƙasa | ||
| Polar1 | PLRI: Saka ko cire mai tsalle | babu tsalle: Yanayin mara kyau; tare da jumper: Yanayin kololuwa |
| PLRQ: Saka ko fitar da mai tsalle | babu tsalle: Yanayin mara kyau; tare da jumper: Yanayin kololuwa | |
| PLRP: Saka ko cire mai tsalle | babu tsalle: yanayin Q+; tare da jumper: Q- yanayin | |
| LED | Kullum a kunne | Aiki a karkashin barga jihar |
| Kunnawa ko kashewa kowane 0.2s | Gudanar da bayanai da kuma neman wurin sarrafawa | |
| Kunnawa ko kashe-akan kowane 1s | Input Optical Power yayi rauni sosai | |
| Kunnawa ko kashe-a kowane 3s | Ƙarfin gani na shigarwa yana da ƙarfi sosai | |
| PD2 | Haɗa tare da photodiode | PD tashar jiragen ruwa ta haɗu da Cathode na photodiode |
| GND tashar jiragen ruwa tana haɗa Anode na photodiode | ||
| Bias Voltages | A, Ip: Bias ƙarfin lantarki don I hannu | Ip: Gefe mai kyau; A: Bangaranci ko ƙasa |
| Qn, Qp: Bias ƙarfin lantarki don Q hannu | Qp: Bangare mai kyau; Qn: Bangaranci ko ƙasa | |
| Pn, Pp: Bias ƙarfin lantarki don P hannu | Pp: Gefe mai kyau; Pn: Bangaranci ko ƙasa | |
| UART | Mai sarrafawa ta hanyar UART | 3.3: 3.3V tunani irin ƙarfin lantarki |
| GND: kasa | ||
| RX: Karɓi mai sarrafawa | ||
| TX: watsa mai sarrafawa |
1 Polar ya dogara da siginar RF na tsarin. Lokacin da babu siginar RF a cikin tsarin, iyakacin iyaka ya kamata ya zama tabbatacce. Lokacin da siginar RF yana da girman girma fiye da wani matakin, iyakacin duniya zai canza daga tabbatacce zuwa mara kyau. A wannan lokacin, Null point da Peak point za su canza tare da juna. Q+ da Q-point za su canza tare da juna.
kai tsaye ba tare da canza wuraren aiki ba.
2Zaɓuɓɓuka ɗaya ne kawai za a zaɓa tsakanin amfani da photodiode mai sarrafawa ko amfani da photodiode modulator. Ana ba da shawarar yin amfani da photodiode mai sarrafawa don gwaje-gwajen Lab saboda dalilai biyu. Da fari dai, photodiode mai sarrafawa ya tabbatar da halaye. Na biyu, yana da sauƙi don daidaita ƙarfin hasken shigarwar.Idan ana amfani da photodiode na ciki na modulator, da fatan za a tabbatar cewa abin da ake fitarwa na photodiode ya yi daidai da ƙarfin shigarwar.
Rofea Optoelectronics yana ba da layin samfurin kasuwanci na masu daidaitawa na Electro-optic, Modulators na lokaci, Intensity Modulator, Photodetectors, Laser haske kafofin, DFB Laser, Optical amplifiers, EDFA, SLD Laser, QPSK modulation, Pulse Laser, Haske mai gano haske, Daidaitaccen hoto, direban Laser , Fiber na gani amplifier, Na gani ikon mita, Broadband Laser, Tunable Laser, Optical ganowa, Laser diode direba, Fiber amplifier. Har ila yau, muna ba da wasu na'urori na musamman don keɓancewa, kamar 1 * 4 tsararrun lokaci masu daidaitawa, ultra-low Vpi, da ultra-high extinction rabo modulators, da farko ana amfani da su a jami'o'i da cibiyoyi.
Da fatan samfuranmu za su taimaka muku da bincikenku.
