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Started by KMG, January 16, 2011, 01:42:05 PM
Quote1. The 2SK215 circuit has the gate diod feed by the drain. The LMD150 circuit by the source. Why the difference?
Quote2. Why do the circuits need a negative supply on the source and why do that supply need to be buffered?
Quote3. How crucial is the type of diods? You use different types for the two circuits?
Quote4. Does the circuit need to be high voltage or can you get good results with 10times lower voltage?
QuoteIn the source network...there is a diode called ES1J.Google says its a silicon fast recovery. Is it crucial or would any old silicon diod do?
QuoteR2 & D1 control how (softly/round/when) the grid is clipping when the input is reaching the bias point (-1.5)?
QuoteC1 is miller capacitane emulation.
QuoteWhat exactly D2, D3 and D4 are doing in terms of 12ax7 biasing equivalence?
Quoteshottky diodes added to source network to round sharp edges then stage enters/exits from cutoff state by summing VA curves of diodes & fets.
QuoteR? and C2 are the same as Cathode resistor and Capacitor as in the 12ax7?