Broadband amplifier (CB9005E)

For a 75ohm output, this circuit was found in ancient American documentation, using components from the time.

Compensation Integrator (CB14107E)
The circuit presented is from the National Semiconductor's Linear Applications Handbook of 1994. We...
12 V x 1 A Power Supply (CB24821E)
This is one of the many versions we have of a 12 V power supply with the 7812. We found it in the...
Automatic fader (CB8432E)
This fader or fader was found in a 90s Popular Electronics. The circuit uses transistors that are...