Part 5 provides spec summary of the GP/R K2-W vacuum-tube op amp and discusses measurement constraints/conditions and LTspice modeled output. The K2-W vacuum-tube op ...

This time, we are going to take a bite of a big topic: op amps. The op amp — short for operational amplifier — is a packaged differential amplifier. The ideal op amp — which we can’t get ...

And so it is with his latest, a very unusual op-amp on which he performs his usual reverse engineering. Not only does it lead us directly to some of the seminal figures in the early years of the ...