2N4987 and 2N4990 (IP057E)

Unilateral switch (SUS) with 8 V of trigger voltage. This component is used to control SCRs and other applications.

Low Distortion Sinusoidal Generator (CB14860E)
We found this circuit in a French documentation from the 80's. The components used are still...
Voltage Controlled Oscillator LM3900 (CB19124E)
We found this oscillator in an integrated circuit manual from the 90's. The circuit shows how to...
Electronic Data (CB17278E)
This circuit uses a common cathode display and TTL integrated circuits. We found it in a 2001...