185-6525-0908
Digital IPTV system overall solution service provider
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185-6525-0908
Digital IPTV system overall solution service provider
Product introduction
WSJ1024B is a 24 modular frequency agilemodulator. It will be up to 24 audio and video signals into a road with 24 TV channels RF signals. The product is widely used in hotels, hospitals, schools, electronic teaching, factories, security monitoring, VOD video on demand and other places of entertainment, especially for digital TV analog conversion, and centralized monitoring system.
Product Features
Ø Stable and reliable
Ø WSJ1024B of each channel is completely independent, channel configuration flexibility
Ø Image high frequency and RF local oscillator MCU technique are used, frequency stability and high accuracy
Ø The function of each integrated circuit chips are used, the whole high reliability
Ø High-quality power supply, 7x24 hour stability
Application
Specification
Frequency | 47～862MHz |
Output Level | ≥105dBμV |
Output Level Adj. Range | 0～-20dB （Adjustable） |
A/V Ratio | -10dB～-30dB (Adjustable) |
Output Impedance | 75Ω |
Spurious Output | ≥60dB |
Frequency Accuracy | ≤±10KHz |
Output Return Loss | ≥12dB（VHF）； ≥10dB（UHF） |
Video Input Level | 1.0Vp-p（87.5% Modulation） |
Input Impedance | 75Ω |
Differential Gain | ≤5%（87.5% Modulation） |
Differential Phase | ≤5°（87.5% Modulation） |
Group Delay | ≤45 ns |
Visual Flatness | ±1dB |
Depth Adjust | 0～90% |
Video S/N | ≥55dB |
Audio Input Level | 1Vp-p（±50KHz） |
Audio Input Impedance | 600Ω |
Audio S/N | ≥57dB |
Audio Pre- emphasis | 50μs |
Rack | 19 Inch standard |
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