This circuit is from a 1968 Motorola power circuit manual. The circuit uses transistors of the time. The passing band is 45 Hz to 100 kHz.
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...