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| | DM-166 | |
DM-166 demodulator is the CATV head end equipment, which is used to receiving plough TV signals. The demodulated output video and audio signals can load to the modulator directly. Advance design and perfect performance.
• Adopting frequency composed technology, CPU control, is able to choose channels directly.
• Stable frequency, convenient and accurate control.
• Easy Operation, function keys are on front panel.
• Adopt module type design, 2U 19” rack can install more than 10 modules. High efficiency power supply
| Input Frequency Range | 54MHz ~ 860MHz |
| Carrier Ware Level | 70 dBμV (typical) 60 ~ 80 dBμV range |
| Input Reflect Loss | 8dB |
| Output Level | 1 ± 0.2Vp-p |
| Output Impedance | 75 |
| Video s/n | 53dB( emphasis , nominal ratio input) |
| Frequency Response | ± 1.5dB |
| Differential Gain | ± 8 % （ modulation 87.5 ） |
| Differential Phase | ± 8 ° （ modulation87.5 |
| Output Level | 0.775V(600 load , 50KHz deflection ) |
| Frequency Response | ± 2dB |
| Distortion | 1.5 % |
| Signal to Noise Ratio | 55dB （nominal ratio input） |
| Voltage | DC12V/150mA |
