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Help CenterPromotion Catv Headend Modulator 24 In 1 Fixed Channel RCA Input Catv Analog Modulator
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Features
24 channels module type catv hd modulator is low cost and high stability, specially designed for MATV or SMATV system. Professional design with simple installation. It is easily operated or maintained by users.
1. 1 set can install 24 channels. Adjacent channel workable.
2. Individual function keys for each channel, simple operation.
3. High efficiency SMPS enable stable performance.
4. All the figures already pre-set in the factory. No further adjustment to the catv hd modulator in case of necessary.
5. 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℃ |
|
Dimensions |
19 Inch 4 U housing |
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