[Ktechlab-devel] transimpedance amplifier.

[Alan Grimes]

I've been playing around with fully differential input and driver 
circuits for a 2A3 power amp I want to build... I've also been playing 
with tube-based DACs. -- basically a transimpedence amplifier followed 
by a line driver.

I don't have the parts for a tube based DAC yet, but I made some 
progress in understanding the problem (I hope!) using ktechlab's current 
compliment. The first circuit is the stock I/V converter/low pass filter 
for a TDA1545A, the second circuit is a very crude/ameturish all 
discrete design...

Hmm, maybe we should create a ktechlab-users list too? probably not. the 
project is too small at this point. =\

I used the current-source to provide the bias current and then a current 
signal to simulate what I (think I) understand to be the dynamic DAC 
output.


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