[time-nuts] sine to square wave circuits - performance data?
attila at kinali.ch
Wed Oct 4 17:17:03 EDT 2017
On Wed, 4 Oct 2017 16:51:23 -0400
Bob kb8tq <kb8tq at n1k.org> wrote:
> There is always an … except … If you do a “feedback resistor” bias,
> forget about any sort of fast gate. Bias it with two resistors on the
> input and it should be fine. If the second resistor blows your budget
> then yes, it’s a issue.
A relatively easy way around this is to replace the feedback resistor
by an R-C-R filter with a low enough corner frequency.
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