2N4987 and 2N4990 (IP057E)

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

Light Activated Switch (CB14457E)
This circuit is from 1968 documentation. We can assemble it with more modern components such as a...
FET Regenerative receiver for all ranges (CB13311E)
The frequency ranges that this receiver can tune in depend only on the coils. For medium waves L1...
5V x 500 mA Buck Converter (CB9952E)
Found in documentation from the 1970s, this reducing regulator uses integrated circuits and...