Phase Detector 7400 (CB22427E)

This circuit detects the phase of a signal. As it is a TTL circuit, it must be powered by a voltage of 5 V.

Dimmer with filter (CB25027E)
The figure shows how to implement a filter against interference caused by the switching of a...
Tachometric Pickup (CB13430E)
The integrated circuit used in this application is the National Semiconductor's LM2907, the...
12 V x 5 A power supply (CB17131E)
This simple source uses two 2N3055 transistors that must be equipped with good heat sinks. The...