12V x 10A power supply (CB21775E)

This power supply is from a 1977 documentation. The transformers have 11 V secondary with 10 A.

Voltage Calibrator II (CB19746E)
We found this circuit in an old documentation. It has a thermally compensated voltage reference. The...
Benchtop Amplifier (CB6978E)
Suggested by a Popular Electronics, this small amplifier that has a detector to follow RF...
LM393 Delay Generator (CB4486E)
The presented circuit generates a pulse whose delay in relation to the input depends on RC. These...