100 kHz Oscillator (CB22379E)

This is the single-sourced version of the previous oscillator. Frequency can be changed by changing C1.

Laboratory Power Supply (CB17304E)
This is a typical source of the time (1989) using the well-known regulator integrated circuit 723....
LM12 in Parallel Amplifier (CB14389E)
This 8 A high output power amplifier uses two National Instruments LM12s. The maximum capacity of the...
Home appliance shutdown timer (CB9366E)
Found in Popular Electronics from the 90s, this circuit turns off an appliance at the end of the...