CFP input for JLH amplifier

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Stee

Stee

Member
Joined 2005
esafono.it
as you know is always more difficult to get new ideas
with a copule of FET (K170 and J74)
it's possible have high input impedence:)
 

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kenpeter

Member
Joined 2007
If JLH output stage was intended as a unity follower,
Q5 perhaps should have been TIP32C PNP?
I also don't see any purpose for R6.

As you have it drawn NPN, base Q5 would be -23.7V
Q7 will be fully saturated, and the output short to the
negative rail.
 
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