LM3900 Amplifier (CB25165E)

This circuit with Norton operation is from an article in Radio Electronics magazine. The gain is given by the resistors.

Symmetric Power Supply (CB16761E)
This power supply was originally created for the CB16760E (Loudness System) but can be used in any...
Unidirectional motion sensor (CB7281E)
Found in 1980s Electronic Engineering, this circuit uses common phototransistors as sensors. The...
Simple Symmetrical 6 V Power Supply (CB20207E)
This simple, unregulated power supply with an approximate 6 V output voltage can supply currents up to...