This circuit for voltmeter has an output of 1 V for 100 uA having been suggested by American publication of 1969. The transistors are general purpose types.
This simple digital circuit tester can work with TTL technology when powered by 5 V and with CMOS...
This circuit receives, through a coil, audio signals emitted by another coil connected to the...
This circuit is from the LM317's own manual obtained from an old documentation. The IC should be...