[sdiy] LM13700 as VC resistor

Sat Feb 8 18:44:59 CET 2020

In my experience vactrols seem a bit hard to control and the resistances are very high. 

> On Feb 8, 2020, at 11:39 AM, Michael Zacherl <sdiy-mz01 at blauwurf.info> wrote:
> 
> On 08.02.2020, at 18:04, Quincas Moreira <quincas at gmail.com> wrote:
>> 
>> Here's the simplest VC resistor you can make, much easier than using an OTA!
>> https://youtu.be/8BOnvSQpoGY
> 
> at the cost of speed, alas. 
> m.
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