2N4987 and 2N4990 (IP057E)

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

Dalayed Turn-On Gate (CB123)
This circuit can be used to add a delay to a logic signal as shown by the input and output...
Security System (CB24301E)
Found in the April 1974 issue of Radio Electronics magazine, this circuit is based on CMOS...
Low Output Impedance Preamplifier (CB4911E)
This circuit converts a high impedance signal into low impedance. The circuit has unit gain and...