Ultrasonic Inverter (CB21484E)

We found this circuit in a 1966 General Electric SCR manual. The circuit can be implemented with modern SCRs.

| Clique na imagem para ampliar |

Common Emitter PNP Relay (CB25611E)
This relay shield was found in the October 1993 Electronics Now magazine. The circuit is powered by...
Regulator 12 V x 1 A 723 (CB14529E)
In the figure we have the basic configuration of a regulator for 12 V x 1 A suggested by Motorola in...
Sound Detector 741 (CB17585E)
This circuit can be used as part of a Vox project or as an input shield for a microcontroller that...