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Old 30th June 2006, 11:38 PM   #1
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Default Some hints and kinks for active filter design

Jim Bryant from ADI has a few tips in the June 22nd issue of EDN, it's kind of a plug for ADI, but quick and useful:

1) Use high speed, rather than high precision opamps -- high precision opamps run out of gain too quickly.
2) Don't try to save money by using large resistors in the network -- the offset voltage and noise cause performance to deteriorate.
3) Current feedback amps like to oscillate when used in audio filters.

the article can be found here:
http://www.analog.com/analog_root/st...veFilters.html
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