9 V to 5 V converter LT1175 (CB14616E)

We found this circuit in the 1997 Linear Technology Applications. The components used were common at the time.

Capacitance Meter (CB25988E)
This circuit was originally designed to measure capacitance with an ICL7107 but can be used with...
Telephone Relay (CB25234E)
This circuit was found in the October 1989 issue of Radio Electronics magazine. It drives an...
High Current Regulator 5 A (CB15644E)
A voltage of 13.5V with a current of up to 5 A can be obtained with this high current regulator stage...