Flat response amplifier CIR16474S CB9390E (CB9390E)

This circuit was found in a 1970s documentation. The integrated circuit used is uncommon today.

Motorbike or Motorboat Noise (CB12646E)
This circuit was obtained in an old American publication from 1978. It can be assembled with a...
Frequency Divider Using the 4017 (CB209E)
Decade counters, such as the 4017, can be cascaded as sourcing signals with the frequency divided...
Timer for industrial applications (CB10193E)
This circuit uses a dual-gate MOSFET, a rare component today. We found it in American...