This circuit is intended to switch high frequency antennas using common diodes. The circuit is from an 80's documentation appearing in other versions in this same section of the site.
This is an amplifier for low intensity audio and low frequency signals. The transistor can be a...
Found in old English documentation, this circuit was originally intended for 12V incandescent...
This circuit is the receiver for the previous remote-control transmitter. We found it in the same...