The main process includes following: analysis of device model, design mixingcircuit, impedance matching.
主要步骤包括：器件的射频等效模型分析、混频电路设计与优化、混频电路的阻抗匹配。
2
This paper analyzed chiefly the circuit of single side-band mixing by use of orthographic signal and described advantages of the mixingcircuit.
本文主要分析用正交信号实现单边带混频电路，并阐述其优越性。
3
There are many ways to realize the answering machine function for example the earlier analog circuit the digital circuit or the analog digital mixingcircuit.