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.

FET Follower (CB6132E)
This 1967 Electronics World circuit is suitable for frequencies up to 1 MHz. The setting applies...
Antenna Amplifier (CB11891E)
Connected between an external antenna and the antenna input of a receiver, this circuit provides...
Forgetfulness Alarm (CB17036E)
The purpose of this circuit from a 1995 publication. Its purpose is to alert a person when he...