On Actively Compensated Amplifiers Using Negative Impedance Converters

In this brief, we analyze two actively compensated amplifiers identified in a recently proposed negative impedance converter (NIC) regarding their phase and gain errors. We also study the use of this NIC in active compensation of a inverting amplifier and compare its performance with previously desc...

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Bibliographic Details
Published in:IEEE transactions on circuits and systems. II, Express briefs Express briefs, 2020-04, Vol.67 (4), p.640-644
Main Author: Ananda Mohan, P. V.
Format: Article
Language:English
Subjects:
active compensation
Amplifiers
Bandwidth
Converters
Frequency dependence
Impedance
Indexes
negative imedance converters
Operational amplifiers
Transfer functions
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Summary:In this brief, we analyze two actively compensated amplifiers identified in a recently proposed negative impedance converter (NIC) regarding their phase and gain errors. We also study the use of this NIC in active compensation of a inverting amplifier and compare its performance with previously described actively compensated amplifiers. Further new NIC realizations using other actively compensated non-inverting amplifiers and their application to realize inverting amplifiers is also investigated.
ISSN:1549-7747
1558-3791
DOI:10.1109/TCSII.2019.2925094