Video Amplifier (CB21321E)

Found in Popular Electronics from the 90s, this circuit is intended for amplifying analog video signals.

Frequency Divider Using the 4017 (CB209E)
Decade counters, such as the 4017, can be cascaded as sourcing signals with the frequency divided...
Square Signal Phase Detector (CB6670E)
This detector was found in an old Electronic Design using transistors of the time. The circuit can be...
Shift register (CB7175E)
Suggested by General Electric in 1980s documentation, this circuit makes use of PUTs that are not...