This small amplifier with the fraction-watt LM4862 was found in the November 1999 issue of Electronics Now. The power supply is low voltage.
The circuit shown in the figure can serve as a basis for frequency meters, clocks. Stopwatches and many other...
This circuit is from an English book from the 1980s. Transistors can be general-purpose types of...
In this oscillator a phase shift network formed by C1, C2, C3 and R1, R3, R4 determine the fase...