3-way control (CB7047E)

This is a simple circuit to control a set of lamps from 3 different points. We found it in an old Popular Electronics.

Tachometer (CB4960E)
We found this version of the automotive tachometer in a 1980s publication. Variations from other...
Two Transistor Audio Stage (CB458)
This circuit can be used as a low Power audio booster for experimental projects such as radios,...
AVX W2S Feedtrough Surface Mount Capacitors
June 2017 - These new AVX capacitors are suitable for filter applications, considerably reducing...