一种程控增益宽带射频放大器的设计与实现
张宝玲，李晓波
(装备指挥技术学院，北京101416)
摘要： 程控宽带射频放大器是基于同步脉冲转移原理的有线电视机顶盒的最重要的电路之
一。介绍了一种程控射频宽带射频电路的设计与实现方法。该电路设计巧妙，原理简单，生产、调试与
维修都非常方便。实践证明该电路工作良好，性能优良。
关键词： 射频；宽带；放大器；程控增益
中图分类号： TN948 文献标识码： A
Design and implement of a program controlled gain broad
band radio frequency amplifier
ZHANG Bao Ling，LI Xiao Bo
(The Academy of Equipment and Technology ，Beijing 101416 ，China)
Abstract ： The program controlled gain broad band radio frequency circuit is one of the most important parts of a TV topbox
based on the method of synchronization pulse transfer. A method used to designing and implement a broad band RF amplifier is
presented in this paper. The design method is skillful， the work principle is simple. It is convenience of producing， debugging and
repairing. It is proved that the whole circuit is work well and has excellent performance.
Key words ： radio frequency； broad band； amplifier； program controlled gain
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