Cable TV System Headend Modulators 24 Channels in 1 Modulators

24 Mini Modulators in 1 Rack CATV Headend system modulators 24 channels in 1 modulators UHF analog modulators for CATV/SMATV/IPTV

• 1 set can install 24 channels. Adjacent channel workable.
• Individual function keys for each channel, simple operation.
• High efficiency SMPS enable stable performance.
• All the figures already pre-set in the factory. No further adjustment to the modulator in case of necessary.
• Easy setup,Internal fans for cooling modulators
• Only one RF output. No need combiner
• Precise frequency control with PLL circuitry
• Also available in NTSC,all PAL configuration
• 19” rack mountable.

• Specifications

   

  Frequency Range	47~860MHz (Any one channel)
  Output Level	≥105dBμV
  Output Level Adjustment Range	0~-20dB (Variable)
  Video to Audio Carrier	-10dB~-30dB adjustable
  Output Impedance	75Ω
  Spurious Output Suppression	≥60dB
  Frequency Accuracy	≤±5KHz (VHF) ,  ≤±10KHz (UHF)
  Video Output Reflection	≥12dB (VHF)  ≥10dB (UHF)
  Video Input Level	1.0Vp-p (87.5% Modulation)
  Video Input Impedance	75Ω
  Differential Gain	≤5% (87.5% Modulation)
  Differential Phase	≤5°(87.5% Modulation)
  C/L Delay	≤45 ns
  Flatness	±1dB
  Video Modulator Depth	0~90% (Variable)
  Video S/N	≥55dB
  Audio Input Level	1Vp-p (±50KHz)
  Audio Input Impedance	600Ω
  Audio S/N	≥57dB
  Audio Pre-weighted	50μs
  Power Supply	AC 220V±10% 50Hz±2Hz,50W
  Working Temperature	0~40°C
  Dimensions	19 Inch 4 U housing