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 TTL circuit was found in a 1978 technical documentation. The power must be supplied with 5 V....
This circuit, suitable for tube equipment, was found in an old documentation. It uses a high...
The BA1404 integrated circuit (not very easy to obtain) consists of a complete stereo FM...