[sdiy] 4046 VCO

[Jay Schwichtenberg]

I'd say using a 5V part in a 15V circuit might be a problem.

Also look on Muff's. There are particular brands of the 15V parts that work
and others that don't work well.

Jay S.

-----Original Message-----
From: Synth-diy [mailto:synth-diy-bounces at synth-diy.org] On Behalf Of Tim
Ressel
Sent: Thursday, July 05, 2018 4:20 PM
To: SYNTH DIY
Subject: [sdiy] 4046 VCO

Hiya,

So I built up a Thomas Henry 4046 VCO and ran into an issue: the 
frequency out is way too high, starting at 55KHz and going up to 175KHz. 
I checked my schematic and it all looks good except for one thing; I am 
using a 74HC4046 instead of a CD4046. Is that causing my problem?

-- 
--Tim Ressel
Circuit Abbey
timr at circuitabbey.com

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