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 1960s Japanese 5-transistor radio is powered by 9 V and has good sensitivity for the medium...
This circuit doubles the input voltage, converting, for example, 6 V and 12 V. The output current is...
Based on a Texas Instruments OPA237 and DRV101 operational, this circuit allows control of a motor...