Ultra Compact IQ Modulator Bias Adarí Adarí Aifọwọyi Aifọwọyi
Ẹya ara ẹrọ
• Pese ojuṣaaju mẹta fun awọn oluyipada IQ Modulation kika ominira:
• QPSK, QAM, OFDM, SSB jẹri
• Pulọọgi ati Ṣiṣẹ:
Ko si isọdi afọwọṣe ti nilo Ohun gbogbo laifọwọyi
• I, Q apá: iṣakoso lori Peak ati awọn ipo asan ni ipin iparun giga: 50dB max1
• P apa: Iṣakoso lori Q + ati Q- modes Yiye: ± 2◦
• Profaili kekere: 40mm(W) × 28mm(D) × 8mm(H)
• Iduroṣinṣin giga: imuse oni-nọmba ni kikun Rọrun lati lo:
• Isẹ afọwọṣe pẹlu mini jumper Rọ OEM mosi nipasẹ UART2
• Awọn ọna meji lati pese awọn foliteji ojuṣaaju: a.Aifọwọyi Iṣakoso Aiṣedeede b. Olumulo ti n ṣalaye foliteji abosi
Ohun elo
• LiNbO3 ati awọn miiran IQmodulators
•QPSK, QAM, OFDM, SSB ati be be lo
• Gbigbe isokan
Iṣẹ ṣiṣe
Ṣe nọmba 1. Constellation (laisi oludari)
olusin 2. QPSK Constellation (pẹlu oludari
olusin 3. QPSK-Eye Àpẹẹrẹ
Ṣe nọmba 5. 16-QAM Constellation Àpẹẹrẹ
olusin 4. QPSK julọ.Oniranran
olusin 6. 16-QAM julọ.Oniranran
Awọn pato
| Paramita | Min | Iru | O pọju | Ẹyọ |
| Iṣakoso Performance | ||||
| I, Q apá ti wa ni dari loriAsan(Kere) tabiOke (O pọju) ojuami | ||||
| Ipin iparun | MER1 | 50 | dB | |
| P apa ti wa ni dari loriQ+(ọtun quadrature) tabiQ-( osi quadrature) ojuami | ||||
| Yiye ni Quad | -2 | +2 | ìyí2 | |
| Akoko imuduro | 15 | 20 | 25 | s |
| Itanna | ||||
| Rere agbara foliteji | + 14,5 | +15 | + 15.5 | V |
| Rere agbara lọwọlọwọ | 20 | 30 | mA | |
| Foliteji agbara odi | -15.5 | -15 | -14.5 | V |
| Agbara odi lọwọlọwọ | 8 | 15 | mA | |
| O wu foliteji ibiti o | -14.5 | + 14,5 | V | |
| Dither titobi | 1%Vπ | V | ||
| Opitika | ||||
| Input opitika agbara3 | -30 | -8 | dBm | |
| Input wefulenti | 1100 | 1650 | nm | |
1. MER ntokasi si Modulator iparun Ratio.Iwọn iparun ti o waye jẹ deede ipin iparun ti modulator ti a sọ pato ninu iwe data modulator.
2. Jọwọ ṣe akiyesi pe agbara opiti titẹ sii ko ni ibamu si agbara opiti ni aaye aiṣedeede ti a yan.O tọka si agbara opiti ti o pọ julọ ti modulator le okeere si oluṣakoso nigbati awọn sakani foliteji aiṣedeede lati -Vπ si + Vπ .
Olumulo Interface
Aworan5.Apejọ
| Ẹgbẹ | Isẹ | Alaye |
| Tunto | Fi jumper sii ki o fa jade lẹhin iṣẹju 1 | Tun oluṣakoso tunto |
| Agbara | Orisun agbara fun alabojuto abosi | V- so elekiturodu odi ti ipese agbara |
| V+ so elekiturodu rere ti ipese agbara | ||
| Aarin ibudo sopọ pẹlu ilẹ elekiturodu | ||
| Pola1 | PLRI: Fi sii tabi fa jade ni jumper | ko si jumper: Asan mode;pẹlu jumper: Ipo tente oke |
| PLRQ: Fi sii tabi fa jade ni jumper | ko si jumper: Asan mode;pẹlu jumper: Ipo tente oke | |
| PLRP: Fi sii tabi fa jade ni jumper | ko si jumper: Q + mode;pẹlu jumper: Q- mode | |
| LED | Nigbagbogbo lori | Ṣiṣẹ labẹ ipo iduroṣinṣin |
| Lori-pipa tabi pipa-lori gbogbo 0.2s | Ṣiṣe data ati wiwa aaye iṣakoso | |
| Lori-pipa tabi pipa-lori gbogbo 1s | Agbara opiti igbewọle ko lagbara pupọ | |
| Lori-pipa tabi pipa-lori gbogbo 3s | Agbara opiti igbewọle ti lagbara ju | |
| PD2 | Sopọ pẹlu photodiode | PD ibudo so awọn Cathode ti awọn photodiode |
| GND ibudo so awọn Anode ti awọn photodiode | ||
| Iyatọ Voltages | Ni, Ip: Foliteji abosi fun I apa | Ip: Apa rere;Ni: Apa odi tabi ilẹ |
| Qn, Qp: Foliteji abosi fun Q apa | Qp: Apa rere;Qn: Apa odi tabi ilẹ | |
| Pn, Pp: foliteji abosi fun P apa | Pp: Apa rere;Pn: Apa odi tabi ilẹ | |
| UART | Ṣiṣẹ oludari nipasẹ UART | 3.3: 3.3V foliteji itọkasi |
| GND: Ilẹ | ||
| RX: Gbigba ti oludari | ||
| TX: Gbigbe ti oludari |
1 Pola da lori ifihan RF eto.Nigbati ko ba si ifihan RF ninu eto, pola yẹ ki o jẹ rere.Nigbati ifihan RF ba ni titobi ju ipele kan lọ, pola yoo yipada lati rere si odi.Ni akoko yii, aaye Null ati aaye Peak yoo yipada pẹlu ara wọn. Q + ojuami ati Q-point yoo yipada pẹlu ara wọn daradara.Polar yipada jẹ ki olumulo le yi pola pada.
taara laisi iyipada awọn aaye iṣẹ.
2Yiyan kan ṣoṣo ni ao yan laarin lilo photodiode oludari tabi lilo photodiode modulator.A ṣe iṣeduro lati lo photodiode oludari fun awọn idanwo Lab fun awọn idi meji.Ni akọkọ, photodiode oludari ti ni idaniloju awọn agbara.Ni ẹẹkeji, o rọrun lati ṣatunṣe intensity ina titẹ sii.Ti o ba nlo photodiode inu inu modulator, jọwọ rii daju pe lọwọlọwọ iṣelọpọ ti photodiode ni ibamu muna si agbara titẹ sii.
Rofea Optoelectronics nfunni ni laini ọja ti awọn oluyipada Electro-optic ti iṣowo, awọn oluyipada alakoso, oluyipada kikankikan, Awọn olutọpa fọto, awọn orisun ina Laser, awọn lasers DFB, awọn amplifiers opiti, EDFA, laser SLD, awose QPSK, laser Pulse, Oluwari ina, olutọpa iwọntunwọnsi, olutọpa laser. , Fiber optic amplifier, Mita agbara opitika, Laser Broadband, Laser Tunable, Opiti opitika, awakọ diode Laser, Fiber ampilifaya.A tun pese ọpọlọpọ awọn modulators pato fun isọdi, gẹgẹbi 1 * 4 awọn modulators alakoso apa, ultra-low Vpi, ati awọn oluyipada ipin iparun giga-giga, ni akọkọ ti a lo ni awọn ile-ẹkọ giga ati awọn ile-ẹkọ.
Ṣe ireti pe awọn ọja wa yoo ṣe iranlọwọ fun ọ ati iwadii rẹ.
