[sdiy] square to sine

cheater cheater cheater00 at gmail.com
Wed Oct 10 17:16:41 CEST 2012

Is this a good time to revisit varicaps?


On Wed, Oct 10, 2012 at 3:34 PM, Ian Fritz <ijfritz at comcast.net> wrote:
> At 11:13 PM 10/9/2012, David G Dixon wrote:
>> > I've looked at V to F to a square, then integrating to a
>> > triangle - but the amplitude of the triangle varies with frequency.
>> > Sure, you could correct for that with an AGC, but then your
>> > fast tracking is lost.
>> No, because I'm going to use two 2164 expo converters: one for the V/F
>> converter, and one for the integrator, both controlled by the same voltage
>> (remember, 2164s pass bipolar current).
> But if you have a fast, accurate integrator, why not use that directly for a
> Tri VCO core?
> Ian
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