AGC stability requirements for the decoder interface

Author

Badger, David M.

Author_Institution

R&D Labs., Thomson Consumer Electron., Indianapolis, IN, USA

fYear

34851

fDate

7-9 Jun1995

Firstpage

192

Lastpage

193

Abstract

In order to insure the RF AGC system is stable for any cable decoder connected to any receiver, the gain and time constants for both must be specified. These requirements and their development are given. The analysis results in a gain-bandwidth specification for the receiver´s RF AGC line, a minimum phase response for both the receiver and decoder IF AGC loops, a maximum capacitance for the decoder AGC line and a minimum resistance for the receiver´s AGC port. Further, the phase response for the IF AGC loops is separated into more easily measured gain and bandwidth requirements

Keywords

Nyquist stability; automatic gain control; cable television; decoding; telecommunication control; television receivers; AGC stability requirements; IF AGC loops; Nyquist stability; RF AGC line; RF AGC system; cable TV; cable decoder; decoder interface; gain; gain-bandwidth specification; maximum capacitance; minimum phase response; minimum resistance; phase response; receiver; receiver AGC port; time constants; Cable TV; Capacitance; Consumer electronics; Damping; Decoding; Hydrogen; Radio frequency; Stability analysis; Stability criteria; Tuners;

fLanguage

English

Publisher

ieee

Conference_Titel

Consumer Electronics, 1995., Proceedings of International Conference on

Conference_Location

Rosemont, IL

Print_ISBN

0-7803-2140-5

Type

conf

DOI

10.1109/ICCE.1995.517949

Filename

517949