[sdiy] CA3046 Heater / Substrate Question

ASSI Stromeko at nexgo.de
Thu May 5 20:08:55 CEST 2016


On Thursday 05 May 2016, 19:46:28, Nils Pipenbrinck wrote:
> In my part I generate a small negative voltage using the LED and R5.
> This puts the base of Q3 at -1.8V and the emitter at roughly -2.4V.
> That's the most negative point in my circuit.

Unless your schematics are for a different circuit, the most negative point 
in your circuit seems to be the emitter of Q1 at -15V and that is where the 
substrate should be connected to.


Regards,
Achim.
-- 
+<[Q+ Matrix-12 WAVE#46+305 Neuron microQkb Andromeda XTk Blofeld]>+

Samples for the Waldorf Blofeld:
http://Synth.Stromeko.net/Downloads.html#BlofeldSamplesExtra




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