
CHEBYSHEV
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Lightweight harmonic multiplier based on fast recursive Chebyshev polynomial expansion.

For the intended purpose, the module MUST be fed with a 5Vp sinusoidal waveform, as from a stock Oscillator. Input must NOT be scaled. Progressive integer harmonics can be derived from the auto-duplicating output pins, starting from the Fundamental (the input). All harmonics will have same level and phase as the Fundamental; for this reason the result should usually be either filtered or attenuated, or a very high level waveform with clipping will occur ! 

For creative purposes, input can be fed with other kinds of waveforms of course.

