This 6-transistor radio was sold in Japan in the 1960s. The super-heterodyne circuit for the OM band was powered by ordinary batteries.
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...