This circuit works as both an injector and a signal follower. We found it in the May 1994 issue of Electronics Now. The Z1 headphone must be high impedance.
With this circuit of a Popular Electronics from the 90's it is possible to test a diode with the...
July 2017 - The new Diodes Incorporated AP7350 LDOs with ultra low quiescent current can be...
We found this circuit in a 1989 publication. Its purpose is to produce noise in the VHF or UHF...