High Quality 24 in 1 SD Modulator AV to RF fixed frequency Analog modulator
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- Supplier: Catcast Technology Co. Ltd. (chengdu)
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Product Overview
Description
High Quality 24 in 1 SD Modulator AV to RF fixed frequency Analog modulator
Product Description
SDM24 is a 24 modular frequency agile modulator. 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.
Key Features
* Stable and reliable
* SDM24of 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, 7x24 hour stability
Technical 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 n s |
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 |
Related Products
Packing&Shipping
Package type: each pcs wth soft ,safety polyfoam ,then packed in brown box
Shipping way: it usually take 5-7 days by DHL, TNT, Fedex, UPS to arrive your local place
Company Introduction
Catcast Technology Co.,Ltd is a high-tech enterprise which concentrates on the research, manufacture, sale and engineer service of digital TV headend & broadcasting equipments with 18 years history in Chengdu, China. Catcast is building up both domestic and overseas markets while making a good contribution to the TV broadcasting industry. As a TV network investor, we have accumulated a great deal of experience in network operation of cable or wireless digital TV, IPTV, DSNG system as well as transfer analog tv system to digital tv system. Upgrade CATV/MATV to IPTV system. We are always striving for innovation , and keep the principle to do business: The same product , we win the quality. The same quality, we win the price.
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