Automatic tuning of frequency and Q-factor of bandpass filters based on envelope detection
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The paper discusses an approach using very simple tuning circuitry based on the envelope detection method. A second-order bandpass filter is used as a demonstration vehicle. The complete tuning circuit consists of frequency and Q-factor tuning blocks, and operates on a 3 V power supply. Due to its simplicity, this method can he used for automatic tuning of high-Q bandpass filters at very high frequencies with very little circuit overhead.
name of conference
ISCAS '98. 1998 IEEE International Symposium on Circuits and Systems
ISCAS '98. Proceedings of the 1998 IEEE International Symposium on Circuits and Systems (Cat. No.98CH36187)
author list (cited authors)
Karsilayan, A. I., & Schaumann, R.
complete list of authors
Karsilayan, AI||Schaumann, R