pushing sleep late one night, I randomly started drawing out a sine wave and reflected on a visual representation of the usual frequency doubling transform known as “full-wave rectification” … I bemusedly wondered if there could be another way of …
On my list for the last two years, a compactified redux of my precision emulation of the original late-50’s Fender “Harmonic” Vibrato effect. The circuit is based around a Univibe style LFO oscillator which drives a pair of OTA’s in …
While searching for a non-code based (AVR) way of doing 3-phase speed control on the WAYNE Choratone concept I found a way to discretizing the phase rotation so that an easier way of balancing the Lattice outputs becomes possible. Instead …
WAYNE Choratone // LATTICE BALANCING update 2020 Read more »
viva Analog “1176x-tended” Limiting Amplifier my take on the celebrated giant … CONTROLS: PRE // Input scaling (affects RATIO and THRESHOLD range) POST // Output (overall) gain THRS // minimum Threshold (high sensitivity) at full rotation RATE // maximum Ratio …
My third and final effort with this approach, first running at 30vdc (“Octave Amp” jcm(c)2009), more recently with a Treble control added. The circuit is now adapted for operation at 9vdc, and boxed into a more compact format. Smooth rectification, …
Binary RING MODULATION, Nyquist Aliasing, BOOLEAN 1bit A/D Distortion, … they’re in that same league … A recent invention of mine, this one could be regarded as a Ring Modulator, but with a (0/1) square wave (carrier) operating at one …
I just realized a few years back that the EHX vacuum tube based “Black Finger” (BF) optical compressor (limiter) is really an UREI “LA-2A” Limiting Amplifier derivative in disguise. As we all know, the LA-2A is considered one of, if …
Inspired by early British synthesizer designs, a very fast decision circuit allows precise cutting off of signal between consecutive periods to produce the illusion of artificial octaves … and, unlike the OC-2 where the signal path has all the highs …
Bagging a new Phasor circuit … To recap, all monaural time-based effects – which includes Delays, Phasors, Chorus circuits and Flangers – all tend to follow a similar overall structure comprising of three main parts: (i) a signal path that …
A list of past designs that were useful to me in study and experiment … 1978 CRAIG ANDERTON “INFINITY PLUS” (POSTED 1998) FLOATING GAIN http://www.lynx.net/~jc/pedalsInfinity.html 1978 CRAIG ANDERTON “RING MODULATOR” (POSTED 1997) VARIOUS ADDED FEATURES http://www.lynx.net/~jc/pedalsBalancedMod.html 1995 SHIN-EI “UNIVIBE” (POSTED …
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