This circuit was found in a Popular Electronics from the 90s. The transistors are general purpose, and the gain depends on the ratio between R2 and R1.
This oscillator produces a signal with a central frequency in 1 MHz. This frequency can be...
This circuit is suitable for applications with short-range remote control. The emitted tone is...
Powered by 12 or 13.6 V, this transmitter has an output power of the order of 1 W, which provides...