This simple digital circuit tester can work with TTL technology when powered by 5 V and with CMOS when powered by voltages from 3 to 15 V. The circuit provides LED indications and uses current ICs.
This power supply can supply voltages from 3 to 9 V and is very useful on the bench. The maximum...
This 1.6 to 20 V power supply, with a maximum current of 3.5 A and protection against short...
This circuit is from a publication from the 70s. The original text was kept. The medium...