Regulated Power Supply (CB25641E)

This power supply was found in the December 1993 issue of Electronics Now magazine. Power components must be provided with heat sinks.

| Clique na imagem para ampliar |

Comparator With Op. Amp. (MSB069E)
This simulation shows how to use an operational amplifier as a voltage comparator. The sample uses the...
Telephone Conversations Automatic Recording (CB17296E)
This circuit automatically activates the relay when the phone is answered, closing the record...
Vehicle Alarm (CB4867E)
This car alarm was found in an American '80s documentation. The circuit automatically activates...