This an old commercial receiver found in a year 1958 magazine. The circuit uses some transformer available that timer and the transistors are germanium types. The circuit is intended to receive MW stations.
Fluorescent lamps in the range from 4 to 40 W can be powered on from cells or batteries. The lamp...
We found this oscillator in an integrated circuit manual from the 90's. The circuit shows how to...
This circuit was found in a 1970s documentation. The components are from that time, and...