The first part realizes the collection of the serial data by the AD574A and two CD4051 carrying out the 16-Channal 12-Bit A/D transition.

模块中主要分为两部分，第一部分由AD574A芯片和两个多路开关CD4051实现16路12位A/D转换，完成串行数据的采集；

Some performances. such as amplitude-frequency, phase-frequency and noise-frequency in the case of"0"or"1 "phase status of transmit-receive channal are given.

给出了收发通过全“0”或全“1”移相状态下的幅相频率特性及噪声系数频率特性。