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| DM-166 |

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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

Genral Spec.