[sdiy] Best Practices quickie 80 kc oscillator

Veronica Merryfield veronica.merryfield at shaw.ca
Wed Aug 19 22:54:42 CEST 2009


As far as I can tell from the schematic, you have 2 NAND and 2 NOR  
gates left over. An inverter can make a reasonable RC oscillator which  
is pretty much what that UJT is doing.

Veronica

On 19-Aug-09, at 12:24 AM, Aaron Lanterman wrote:

> The Buchla 217 uses a unijunction transistor to create a 80 kc  
> oscillator:
>
> http://rubidium.dyndns.org/~magnus/synths/companies/buchla/Buchla_2170_1A_150.gif
>
> (see lower left corner)
>
> There are many modern alternatives that would not require such an  
> esoteric beast - any suggestions of one being better than others?
>
> - Aaron
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