Specifications

DSM2500A Adjacent Channel Fixed Modulator
1,fixed channel output
2,AGC,RS485 Ethernet,
3, Audio noise reduction

 

DSM2500A Adjacent Channel Fixed Modulator

 

 

Feature

 

l  Applicable for 47~870MHz system, fixed channel output ,specially designed for large scale system .

l  Video frequency AGC function

l  RS485 Ethernet Interface(Reserved)

l  LCD Display :RF frequency ,Video/Audio IF frequency ,Video frequency

modulating scale ,Audio frequency modulating deviation ,RF output level ,A/V ratio ,etc

l  Audio noise reduction (optional)

l  I² c Bus Control

l  Clamping and non-clamping switch optional,easy for Video frequency scrambler

l  IF frequency modulation ,Video/Audio medium frequency signal input ,output port can be applied for interference loading for fee-paid TV system

l  In accordance to adjacent frequency transmit required design, no interference between   adjacent channel

l  Having RF automatic amplitude-stabilizing circuit, making front-end system becoming more stable and reliable.

l  RF output adopting modular amplification, ensuring RF output dynamic and parasite suppressing

l  Adopting unique diode dual-balance modulating, good linearity, low noise, modulator's indexes, such as S/N, C/N, DG, DP, have achieved internationally advanced level

l  Surface mount technology, ensuring the accordance of entire machine

l  19' 1U standard   structure, independent power supply, elegant exterior design