<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><br class=""><div><blockquote type="cite" class=""><div class="">On Mar 15, 2026, at 11:09 PM, Eric Frampton <<a href="mailto:eric@ericframpton.com" class="">eric@ericframpton.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class="">
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Juergen Haible Living VCO’s do this.
<div class="">It’s strange hearing the beat rate stay constant, ain’t it?!
</div></div></div></blockquote><br class=""></div><div>He also had a linear detuning mod for the SEM-1.</div><div><br class=""></div><br class=""><div class="">
<div dir="auto" style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div style="color: rgb(0, 0, 0); letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">Terry Bowman, KA4HJH<br class="">"The Mac Doctor"<br class=""><br class=""><a href="https://www.astarcloseup.com" class="">https://www.astarcloseup.com</a><br class=""><br class="">"Every kid starts out as a natural-born scientist, and then we beat it out of them. A few trickle through the system with their wonder and enthusiasm for science intact."—Carl Sagan, <i class="">Psychology Today</i>, 1996</div></div>
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