专用集成电路与中频差分解调实现扩频通信

Spread spectrum communication using ASIC & IF differential demodulator

提出一种专用集成电路与中频差分解调相结合来实现扩频通信的实用方法 .采用中频延迟线构成中频差分解调 ,避免了在宽带通信中对中频载波的同步提取 .并在性能分析的基础上 ,说明了采用这种方法的设计要点 。

A practical method for spread spectrum communication is proposed, which adopts the ASIC and IF differential demodulator. An IF delay line is introduced in the IF differential demodulator to prevent broadband communication from acquiring the synchronization of the IF carrier. Based on performance analysis, the key points for adopting this method are given.