This 6-transistor Japanese radio for the medium wave range was manufactured in the 1960s in Japan. The circuit is superheterodyne with a 6 V power supply.
This source can supply currents up to 1 A. The circuit is from Motorola's 1993 Linear Interface ICs....
The presented circuit uses a window comparator to keep a relay activated only when the sensor is...
The SCR sector of this circuit can be powered by high voltage AC and instead of the LEDs we can...