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Old 21st Apr 2021, 4:14 am   #26
Terry_VK5TM
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Join Date: Oct 2010
Location: Tintinara, South Australia, Australia
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Default Re: Buffer Amplifier for Digital Frequency Counter

Quote:
Originally Posted by Bazz4CQJ View Post
Yes, the test equipment needed to evaluate the pre-amp of this thread, at least to 30MHz, would not be too demanding.

B
But it has been known for these sort of amps to oscillate up in the GHz region

One magazine (who shall remain nameless ) had a frequency counter design with an input stage that was way overboard and generally as unstable as anything, but it still got published.
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