3 V buffer (CB7142E)

This 3 V rail to rail buffer was found in a National Semiconductor documentation. The gain is unit.

Zero Crossing Detector C (CB18998E)
This circuit was found in the Texas Instruments 1996 linear applications manual. The circuit uses...
Voltage Converter (CB22525E)
This transistorized voltage converter is one of the oldest that we find in technical publications. It...
Microphone Preamplifier (CB837E)
This two transistor preamplifier is intended for the use with three terminals electret...