Chapter 4 and chapter 5 deal with the design and analyzing of separate element circuits of t / r thick film module 第四、五章则就t r组件厚膜模块各单元电路进行设计与分析。
From a viewpoint of system integration and integrated circuit design , in this paper we analyze the design methods , the technology procedure and the design parameter requirements for separate element circuits of a thick film hybrid integrated t / r module 在集成电路设计方面,本文从系统集成的角度出发,比较详细地分析了进行厚膜混合集成t r组件各单元电路的设计方法及工艺实现步骤以及设计参数要求。
The first , the effect of the sizes of coupling slots in a coupling double gap cavity on the cavity characteristics is studied through simulation computation of three dimensions electromagnetic field and analysis of equivalent lumped element circuit . it is concluded by the research that , in lower frequency band , bigger coupling slots in a coupling double gap cavity are beneficial to raising the characteristic impedance and lowering the frequency of it mode 第一,采用三维电磁场模拟计算方法和集中元件等效电路法研究了耦合双间隙腔中耦合槽尺寸对谐振腔性能如何影响等问题,得出了重要结论:在较低频率波段,耦合双间隙腔中开大耦合槽有利于提高模的特性阻抗,降低模频率。
On the basis of analyzing the old system and theory , the element circuits of wireless digital audio transceiver modules are designed in detail including the digital audio encoding and decoding circuits with the surrounding circuits , the fsk circuit based on pll frequency synthesizer , the power amplifier circuit , the frequency discrimination and agc circuit 在分析原系统结构和理论的基础上,完成了整个无线数字音频传输模块各单元电路的设计。主要包括有数字音频编码和解码电路及外围电路的设计、基于锁相频率合成器理论的fsk电路设计、功率放大器的设计、鉴频与agc控制电路的设计。