ICL8038, 8048/49

[steve.ridley at bbc.co.uk]

There have been several designs using the 8038 as a VCO,
but they're struggling to deal with the shortcomings of
the oscillator section.  You'll find at least one in
Electronotes.

I'm currently rebuilding a Ken Gale "Wavemaker" dual
VCO which uses a conventional VCO followed by a 8038
as a sine waveshaper.  It works very well.

I looked at the 8048/9 a few years ago for VCO use, 
but they were more expensive than the Curtis CEM3340
at that time.  Perhaps it's time to have another look.

STEVE RIDLEY