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A high-frequency-optimized RC-active filter based on the Wien bridge

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2 Author(s)

The sensitivities to amplifier gain-bandwidth product of two active filters based on the Wien bridge are compared. It is shown that the performance of one of the filters can be optimized to give significantly smaller shifts in resonance frequency and Q-factor than the other filter which is generally recognized as the `standard¿ circuit.

Published in:

Radio and Electronic Engineer  (Volume:45 ,  Issue: 9 )