[sdiy] LM13700 as VC resistor
Adam Inglis (sdiy)
synthdiy at adambaby.com
Sun Feb 9 02:33:12 CET 2020
What about a FET?
page 124 second edition Horowitz and Hill
low parts count!
> On 9 Feb 2020, at 4:08 am, Quincas Moreira <quincas at gmail.com> wrote:
> You can tune the LED brightness and use parallel resistors to get lower resistances as needed, but yes, LDRs are a bit slow to respond, so if you need high speed they are not ideal.
> Sent from my iPad
>> On 8 Feb 2020, at 11:46, Didier Leplae via Synth-diy <synth-diy at synth-diy.org> wrote:
>> 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!
>>> at the cost of speed, alas.
>>> Synth-diy mailing list
>>> Synth-diy at synth-diy.org
>> Synth-diy mailing list
>> Synth-diy at synth-diy.org
> Synth-diy mailing list
> Synth-diy at synth-diy.org
More information about the Synth-diy