This radio for the AM band has the traditional superheterodyne configuration with several transistors and integrated audio amplifier circuit. The circuit is from the 70s.
When the phone rings, a high-powered incandescent light comes on. This circuit can be interesting to...
The sensors and integrated circuit used in this circuit are uncommon today. However, it is worth...
This oscillator produces a signal with a central frequency in 1 MHz. This frequency can be...