High Stability Emitter Follower (CB25618E)

We found this high input impedance, low output impedance amplification stage in the October 1993 issue of Electronics Now.

Optical Isolator Power Switch (CB12413E)
This solid-state relay (SSR) or shield was found in a 1995 Electronics Now. The transistor can be...
Transmitter for Thermocouple LM10 (CB14312E)
The components used in this National Semiconductor circuit are not common today, but the...
Stereo Headphones Amplifier (CB982E)
The circuit presented in the figure is an amplifier for stereo sources with the Maxim MAX9723...