[sdiy] CMOS unused inputs...

[Pat Kammerer]

Hi,

I ground unused CMOS inputs right?  Does that include switches, and flip
flops?  Only inputs?

I'm asking because I've finished the suboctave and LFO sections of the 4069
VCO that I was working on, and something is wierd.  I can hear the Sub
octave as well as the pulse and saw, but the level controls seem odd.  The
LFO is not working.  My pitch and PWM CV barely works, like there is NO
range at all, and the potentiometer direction is reversed.  Finally I was
trying to figure out what was happening, and I checked the supply voltage.
My supply is inverted when the circuit is on.  This would explain the issue
with the CV.  Could something ungrounded and unused in a 4066 or 4027 cause
this?  I've never used either of those chips so... you know.

Thanks for your help.  It's definitely getting close though... and I need
some sleep badly.

Later,
Pat