[sdiy] Issue with CD4024 Ripple Counter

Pete Hartman pete.hartman at gmail.com
Tue Sep 21 17:46:18 CEST 2021


On Tue, Sep 21, 2021 at 8:45 AM David G Dixon via Synth-diy <
synth-diy at synth-diy.org> wrote:

> So, I built the new circuit (I've attached the schematic again here).
> Note that I changed the 100k resistor from the diode to ground to 10k, as
> this made the simulation results ever so slightly cleaner at the
> transitions.
>
> Results: MC14024BCP and CD4024BCN are still clocking as they should.
> CD4024BE is still clocking on the wrong edge.
>
>
I know it's been asked, but I don't recall a direct answer, and I don't
want to make unwarranted assumptions, so to confirm:

When you say clocking on the wrong edge, you don't mean clocking on both
edges, correct?

Pete
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