Bistable 7400 (CB22408E)

The figure shows how to connect a 7400 to obtain a bistable configuration. The circuit must be powered with 5 V.

Rectangular Pulse Generator (CB18915E)
This circuit uses a unijunction transistor in a different configuration to generate rectangular pulses at...
TTL Logic Tester (CB13785E)
We found this configuration in a 1974 technical documentation. It can test both TTL logic circuits and...
Transmitter Power Meter (CB13273E)
We found this circuit in an old American publication. The circuit is designed to measure the...