[sdiy] 4016 versus 4066 switches in MemoryMoog

Mattias Rickardsson mr at analogue.org
Sun Oct 9 16:14:43 CEST 2016


The datasheets show that the on resistance of the 4066 is not only
lower, but also more constant over the whole signal range. This can be
a good reason to use it in critical applications.

/mr


On 9 October 2016 at 14:28, Ingo Debus <igg.debus at t-online.de> wrote:
>
>> Am 09.10.2016 um 12:42 schrieb Tom Wiltshire <tom at electricdruid.net>:
>>
>> Yeah, that's the weird thing though - the oscillators (audio) are done using the 4016, and the modulation (mostly not audio) are done with the 4066!
>
> I only had a quick glance at the schematics. Some of the reistors that are in series with a 4066 switch are marked 100k 0.1%. So probably a 4016 would have messed up the total resistor value (4066 + 100k resistor) too much.
>
> Ingo
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