High Stability Emitter Follower (CB25618E)

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

Pulse Compressor and Expander (CB6658E)
Found in a 1967 Electronic Design, this transistorized circuit compresses and then expands a pulse....
Silencer (CB4197E)
This squelch is activated by its own noise, acting automatically. It is used in communications...
MA1026 Portable Digital Clock and Thermometer (CB24684E)
This is the battery-powered version of the previous circuit. The circuit is from the same Radio...