DocumentCode
913704
Title
Differential amplifier input impedance
Author
Dennis, L.P.
Volume
58
Issue
8
fYear
1970
Firstpage
1288
Lastpage
1289
Abstract
The analysis of a simple differential amplifier excited by two separate voltage sources reveals that the input impedance which loads the voltage source at the inverting input is not a constant but rather is a function of the characteristics of each voltage source. An expression is derived for the input impedance and the result is illustrated in a simple example.
Keywords
Differential amplifiers; Differential equations; Equivalent circuits; Frequency; H infinity control; Impedance; Laplace equations; Operational amplifiers; Voltage;
fLanguage
English
Journal_Title
Proceedings of the IEEE
Publisher
ieee
ISSN
0018-9219
Type
jour
DOI
10.1109/PROC.1970.7909
Filename
1449839
Link To Document