A novel current-controlled active-R phase shifter

A novel analogue phase-shifting network is presented. The circuit employs the single-pole transfer characteristic of an operational amplifier to generate a phase shift controlled by a single grounded resistance. No external capacitors are used. A simple bipolar current-controlled resistance circuit...

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Bibliographic Details
Published in:International journal of electronics 1980-04, Vol.48 (4), p.345-349
Main Author: NEDUNGADI, ASHOK
Format: Article
Language:English
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Summary:A novel analogue phase-shifting network is presented. The circuit employs the single-pole transfer characteristic of an operational amplifier to generate a phase shift controlled by a single grounded resistance. No external capacitors are used. A simple bipolar current-controlled resistance circuit enables the phase shift to be varied with a control current.
ISSN:0020-7217
1362-3060
DOI:10.1080/00207218008901106