This stereo circuit is from Japanese 1960 documentation. The circuit was originally designed to work with a tube amplifier, removing power from it. The transistors are germanium.
This circuit consists of a sequential that is activated when you step on the brake pedal (brake...
This circuit generates clear signals in harmonics that can be used for testing mid-wave radios. The...
This circuit uses a 455 kHz IF coil and is suitable for SSB listening on a standard receiver. It...