Dual 5V to 15V Converter (CB26057E)

Using the integrated circuit DCP01051D this circuit was found in the magazine Electronics Now of August 1998. The maximum current is 50 mA.

| Clique na imagem para ampliar |

Audible Power Grid Monitor (CB13918E)
This circuit emits an audible signal when the mains voltage ceases. The circuit is from a 1973...
Triac Heating control (CB21372E)
We found this circuit in a 1966 RCA manual. The integrated circuit is unusual, and the Triac must...
Metronome (CB13033E)
Short duration pulses or "clicks" can be generated with the circuit seen in the figure. The...