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Product Details
1550nm Direct Modulation CATV Transmitter
Product Description
HT1500B (Without AGC)1550nm Direct Modulation Optical Transmitter
Product Feature:
· Low chirp, high linearity DFB laser, chirp compensation
· Dual module therefore drive, high efficient laser pre-distortion regulate
· Full automatical laser modulation index control, AGC & MGC
· Intuitionistic modulater situation display
· Build-in dual power supply back-up, automatically switch
· Automatically casing temperature control, ensure laser's long life of working
Main application:
· Sub-headend provide IPTV, VOD value-added service.
Analog digital mixed transmit <20Km
Pure digital load <40Km
· DWDM narrow band multiplex >70Km
| Performance | Index | Supplement | ||
| Optic feature | Laser wavelength | (nm) | 1550±5 | ITU wavelength |
| Linewidth | (MHz) | ≤ 1 | FWHM( Δλ ) | |
| Side mode suppression ratio | (dB) | ≥ 45 | SMSR | |
| Extinction ratio | (dB) | ≥ 20 | Xp | |
| Equivalent noise intensity | (dB/Hz) | ≤ -160 | RIN (20~1000MHz) | |
| Output power | (dBm) | 6 | 4,8,10, Options | |
| Return loss | (dB) | ≥ 60 | | |
| optical fiber connector | | FC/APC | SC/APC options | |
| RF feature | Work bandwidth | (MHz) | 45-862 | |
| Input level | (dBmV) | 20 | ±2 | |
| Flatness | (dB) | ≤±0.75 | 45~862MHz | |
| Return loss | (dB) | >16 | | |
| Input impedance | (Ω) | 75 | RF/INPUT | |
| RF test | (dB) | 0±1 | | |
| Link feature | Transmit channel | | PAL-D/60CH | NTSC/80CH |
| CNR | (dB) | ≥ 50 | -1dBm receive | |
| CTB | (dB) | ≤ -63 | | |
| CSO | (dB) | ≤ -57 | | |
| SBS restrain | (dBm) | ≥ 17 | | |
| General feature | Network interface port | | RJ45, RS232 | Support I.E. & SNMP |
| Power supply | (V) | 90~265 city power | -48VDC optional | |
| Power Consume | (W) | ≤ 50 | Single power works | |
| Work temp. | ( ºC ) | -5~65 | | |
| Storage temp. | ( ºC ) | -40~85 | | |
| Operating relative humidity | (%) | 5~95 | | |
| Size | (") | 19×10×1.75 | (W)x(D)x(H) | |
| Model NO.: | HT1500B |
|---|---|
| Unit Price/Payment: | Payment: T/T |
| Trademark: | Guangtai |
| Origin: | China |
| Min. Order: | 1pcs |
