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.
Using one unijunction transistor and two bipolar transistors, this circuit generates a signal from...
This circuit makes the RIAA equalization for signals obtained from a turntable for signal recovery in other...
In critical applications of the RS-232 interface, the danger of induced voltages in the cables must...