Interesting all-transistor clock with analogue dividers

[Mike Harrison]

neoni...@googlegroups.com

[Jon]

I don't actually see any content here?

Jon.

On Wednesday, September 15, 2021 at 10:12:46 AM UTC+1 mikeselectricstuff wrote:

neoni...@googlegroups.com

[Mike Harrison]

On Thu, 16 Sep 2021 02:58:59 -0700 (PDT), you wrote:

>I don't actually see any content here?

https://www.youtube.com/watch?v=Y5kkgO5MPIA

[Tidak Ada]

Ananlogue dividers??? Do you mean perhaps hetrodyne mixers?

Please place a schematic !

 

eric

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[John Rehwinkel]

Ananlogue dividers??? Do you mean perhaps hetrodyne mixers?

No, they're more like pulse accumulators with thresholds:  after N pulses, the threshold is reached and it dumps the accumulator capacitor and pulses the output.

- John

[Toby Thain]

I've used this trick to get frequency division by 5 on a square wave,
using a multivibrator.

--Toby


> - John

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[Instrument Resources of America]

Also known as stairstep generators. Commonly used to step the base current, in such things as Tektronix transistor curve tracers, while the collector is being swept.     Ira.

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[Jon]

Neat design. Thanks for sharing Mike.

Jon.

[Richard Arndt]

Awesome... I love it !!!