4060 XTAL Oscillator (CB22401E)

We found this oscillator in an old documentation. The crystal frequency can be different to get other output frequencies.

Night Switch (CB12701E)
The circuit shown in the figure activates a small indicator lamp that will start to flash when the...
DC and Stepper Motor Controls with the A3906 (CB23592E)
The A3906 integrated circuit from Allegro MicroSystems (www.allegro.com) consists of a single...
Universal Battery Test (CB21347E)
This circuit was obtained from an English circuit manual. Components are common and LEDs can be 3...