Quick Start Siren (CB25765E)

We found this circuit in the October 1994 Electronics Now magazine. The CMOS IC is uncommon these days and the output is low power.

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Power Supply from -16 V to +16 V x 2 A (CB1190E)
This interesting source, obtained in a 2001 catalog, can vary the output voltage between -16 and...
Playback amplifier (CB7335E)
Found in Mallory documentation from 1968 this circuit uses an integrated circuit from that time. The...
22.5 V Power Supply Multimete (CB1570E )
Some old multimeters have a high resistance scale including an internal circuit powered by a 22.5...