This 1960s Japanese 5-transistor radio is powered by 9 V and has good sensitivity for the medium wave range. The configuration is of the superheterodyne type with FI of 455 kHz.
This circuit can also operate with SW and even VHF signals up to 150 MHz. The circuit can be...
This circuit controls the brightness of a 12 V powered car courtesy light. The transistor can also...
This simple logic probe circuit was found in the August 1980 issue of Radio Electronics magazine. The...