A Digitally Programmable Differential Integrator with Enlarged Time Constant
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Date
1994-12
Authors
ORCID
Advisor
Referee
Mark
Journal Title
Journal ISSN
Volume Title
Publisher
Společnost pro radioelektronické inženýrství
Abstract
A new Operational Amplifier (OA)-RC integrator network is described. The novelties of the design are used of single grounded capacitor, ideal integration function realization with dual-input capability and design flexibility for extremely large time constant involving an enlargement factor (K) using product of resistor ratios. The aspect of the digital control of K through a programmable resistor array (PRA) controlled by a microprocessor has also been implemented. The effect of the OA-poles has been analyzed which indicates degradation of the integrator-Q at higher frequencies. An appropriate Q-compensation design scheme exhibiting 1 : |A|2 order of Q-improvement has been proposed with supporting experimental observations.
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Citation
Radioengineering. 1994, vol. 3, č. 4, s. 11-17. ISSN 1210-2512
http://www.radioeng.cz/fulltexts/1994/94_04_04.pdf
http://www.radioeng.cz/fulltexts/1994/94_04_04.pdf
Document type
Peer-reviewed
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Published version
Date of access to the full text
Language of document
en