PS Audio founder and CEO, Paul McGowan, writes a daily blog: short, informative, fun, often controversial, but always interesting. Subjects range from personal stories, how to setup your system, news of the day, streaming, vinyl, tubes, transistors, loudspeakers, holographic imaging and more. Kind of like the Car Talk of audio. Not much is sacred, and there’s rarely a mention of our own products.
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Paul's Posts
Diff pairs
Note: Some images originally referenced in this article are no longer available. Yesterday's post covered common mode rejection, how it works what it is and what benefits it has for...
Common mode rejection
In yesterday's post we saw how easy it is to design with an IC op amp. All you need are two resistors and two 9 volt batteries and you've got...
How to design an op amp
Let's start today's post by showing you how easy it is to design an amplifier circuit with an op amp. When an op amp is used in a circuit as...
Looking deeper
Yesterday I explained why use of the (then) new category of IC op amp was so darned attractive back in the 1970's and still is today: easy to design with,...
Op amps
I promised yesterday we'd get started understanding op amps. I know some of you already get them so I hope you can tolerate some simple explanations. This subject is actually...
The man who designed everything
In yesterday's post I mistakenly called the great David Hafler "Bob". Oops, I think I had "Bob" on the brain. Sorry. But speaking of history, I think the stories of...