<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><br class=""><div><blockquote type="cite" class=""><div class="">On Apr 19, 2017, at 3:38 PM, Tom Bugs <<a href="mailto:admin@bugbrand.co.uk" class="">admin@bugbrand.co.uk</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><span style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; float: none; display: inline !important;" class="">A few months ago I used the V2164 for a StateVariable VCF (and VCO from same chip) running from a pair of 3.6V Li-Ion batteries.</span></div></blockquote></div><br class=""><div class=""><br class=""></div><div class="">Good to hear that, Tom! I guess I ought to just give these things a shot. And while not in the realm of single 3.3V, I could easily have these bits powered by two batteries, with a USB input to charge them. </div><div class=""><br class=""></div><div class="">I suppose I could also just use charge-pump or DCDC guy to get +/- whatever out of a 5V input. I've already put a lot of effort into eliminating trim pots and making things cheap, so I guess I'm having fun trying to figure this out instead of just throwing parts at it. </div><div class=""><br class=""></div><div class="">Chris</div></body></html>