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

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