This circuit was found in an English magazine from 1977. Signal inputs and outputs must be shielded, and the circuit can be powered by battery, since its consumption is low.
Found in a 90s 73 magazine, this circuit provides an output of 1.5 A with 24 V from a 12 V source....
This circuit was suggested by Texas Instruments in a 1980s documentation. The transistor must be...
Found in an American publication from 1968, this circuit generates pulses at a rate of 2,500 per...