This circuit was found on an 80's Ham Radio. The transistor admits equivalent. The circuit can generate 20 to 100 MHz signals operating at the fifth harmonic of the crystal.
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...