This commercial receiver for the mid-wave range of the 1960s was found in Japanese documentation at the time. The supply is 9 V, and the configuration is superheterodyne type.
This circuit of a Popular Electronics is intended to control a wiper. The circuit consists of a...
Using germanium transistors, this amplifier provides a 540mW output power when powered by 9V. We...
We found this high input impedance, low output impedance amplification stage in the October 1993...