16 in 1 Fixed Channel AV in Analog TV Modulator
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- Supplier: Chengdu Jiexiang Technology Company Ltd.
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Product Overview
Description
16 in 1 Fixed Channel AV in Analog TV Modulator
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1.space saving,fixed channel modulator sysetm
2.consists of 16 individual,vertically mounted,fixed frequency modulators.
3. This catv modulator is a space saving,fixed channel modulator sysetm.It consists of 16 individual,vertically mounted,fixed frequency modulators and an efficient swithcing type power supply module.It is designed for 19” rack mounting.
Each modulator is SAW filtered and is factory set to the desired channel and proper offset.Precise frequency is maintained with PLL circuitry.It offers excellent video performance and high reliability in 4U rack.
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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