LM3900 Positive Differentiator (CB5054E)

The circuit shown in the figure has an output voltage rise time of 0.22 ms and an input time constant of approximately 1 ms.

Single-Channel Radio Control Transmitter (CB3817E)
This single-channel remote control transmitter operating in the FM range uses common components and...
Pulse width discriminator (CB9690E)
This circuit was obtained in a 70s American documentation. The integrated circuits of the time are...
Limiter for Nicad discharge (CB8382E)
This voltage sensor limits the discharge of a Nicad battery. We found it in an American...