Clocked Flip Flop 7400 (CB22413E)

This TTL circuit uses 5 NAND gates of 7400 integrated circuits. It must be powered with 5 V.

Fluid Level Controller (CB5309E)
This circuit, which can be used as a shield, was found in a 1980s documentation. The circuit can be...
Video amplifier (CB9413E)
This 4.5 MHz amplifier is suitable for analog TV applications. We found it in a 1967 Philips...
Wireless FM Microphone (CB17295E)
The integrated circuit used in this 1986 wireless microphone is not very common today. The L1 coil...