1-Ttube reflex receiver (T1555E)

This one-tube circuit is equivalent to the previous one. We find it in a 1924 book by Gernsback, Power is made by batteries.

Rectangular Pulse Generator (CB18915E)
This circuit uses a unijunction transistor in a different configuration to generate rectangular pulses at...
Ladder Generator (CB18909E)
What this circuit does is generate a signal in a ladder pattern, containing steps in which the...
50 ohm line driver 2 (CB6222E)
This circuit was suggested by General Electric / RCA in a 1980s documentation. The components are of...