Analog Synth OTA / VCA (LM13700 / SSI2164) THD Input-Divider & CV-Thump Nulling Solver

Deterministic Hyperbolic-tangent BJT differential pair V_out ~ I_abc * tanh(V_in / 2V_T) pre-distortion diode linearization + DC offset trim sensitivity engine (.svg, .pdf, .json) built for Sound Semiconductor, Texas Instruments, Intellijel, Joranalogue — zero-upload ephemeral Wasm RAM execution.

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