16 24 AV to RF Hotel CATV Front-End System Multi-Channel Broadcast-Grade Cable TV Adjacent Frequency Analog Modulator

Product introduction

AH16/AH24 is a 16/24 modular frequency agilemodulator. It will be up to 16/24 audio and video signals into a road with 16/24 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

Stable and reliable
16/24 of each channel is completely independent, channel configuration flexibility
Image high frequency and RF local oscillator MCU technique are used, frequency stability and high accuracy
The function of each integrated circuit chips are used, the whole high reliability
High-quality power supply, 7×24 hour stability

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

The front panel

1.RF output level adjustment—Knob, adjustable RF output level
2.AV ratio adjustment—Knob adjusts the output of the A / V ratio
3.volume adjustment—Knob to adjust the output volume size
4.brightness adjustment—Knob to adjust the brightness of the output image

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