VCO555 question

[Rene Schmitz]

At 17:00 09.11.99 -0700, --M wrote:
>    First let me thank you all for the op amp theory very enlightening.
>I found the Schematic and PCB layout for a VCO based around the 555.

My VCO 2,3 & 4 are based arround the 555 as well, better to use the CMOS
variant 7555, since the nasty powersupply behaviour of the bipolar 555. The
schemes have also improved leakage (=low frequency end) compared to Toms
version.

Bye
 René


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