Ars Technica

Computer audio over HDMI into HDMI ARC input?

I've been trying to get my laptop to send audio over the HDMI output into the HDMI ARC input on a new amp. Didn't work with the 11yo v1.2 cable I'd been using but also doesn't work with the one ...
Electronic Design

So…The K2-W Analog Computer Op Amp Has Mad Scientists’ Fingerprints on It (Part 1)

In the first of three parts, Andy hypothesizes that the K2-W Analog Computer Op Amp’s design has some unrevealed mad science in its input-stage design. 1. K2-W Op Amp schematic from Bob Pease’s ...
Electronic Design

Servo Amp Accepts 20 To 100 Vdc Input

Measuring a meager 7.62” x 5.2” x 1”, the Model MMP-1525-BR-24V dc servo amplifier accommodates any regulated dc input ranging from 20V to 100V. Measuring a meager 7.62” x 5.2” x 1”, the Model ...