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A new tuning scheme for linearly tunable high-Q filters is proposed. The tuning scheme uses the phase information for both frequency and Q factor tuning, therefore no relationship between filter's passband magnitude and Q is required. To reduce the simulation overhead, operation of the tuning circuit is verified on a symbolic filter whose parameters were derived from the transistor level circuit. At 10 MHz, for a desired Q of 20, simulated frequency and Q tuning errors are 0.3% and 1.7%, respectively.
Published in:
Circuits and Systems, 2002. ISCAS 2002. IEEE International Symposium on
(Volume:5
)
Date of Conference: 2002
- Page(s):
- V-177 - V-180 vol.5
- Print ISBN:
- 0-7803-7448-7
- INSPEC Accession Number:
- 7454455
- Digital Object Identifier :
- 10.1109/ISCAS.2002.1010669
- Product Type:
- Conference Publications
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