期刊信息
- 刊名： 河北师范大学学报（自然科学版）Journal of Hebei Normal University (Natural Science)
- 主办： 河北师范大学
- ISSN： 1000-5854
- CN： 13-1061/N
- 中国科技核心期刊
- 中国期刊方阵入选期刊
- 中国高校优秀科技期刊
- 华北优秀期刊
- 河北省优秀科技期刊
Study on Selecting How to Control Level of IFA and HFA AGC in a New Type Color TV Receiver
摘要/Abstract
摘要：
系统地阐述了新型彩电公共通道中中放和高放有差闭环自动增益控制系统的工作过程,从理论上分析了中、高放AGC起控电平的选取原则以及它们的控制范围.
Abstract：
Operating process of differential loop-locked automatic gain control system for IFA and HFA circuit in common channel of color TV receivers is systematically described, it is theoretically discussed how to select get to control level of IFA and HFA AGC and their controlling range.