The purpose of this circuit is to measure the resistance of an antenna at the resonant frequency. The circuit is from an old American documentation for hams.
This circuit was found in a Popular Electronics from the 90's. It consists of the solid-state...
Radio Electronics published this circuit in a 90's edition. The circuit makes use of an uncommon...
Other operational amplifiers from the same family such as MC34002, MC35001, MC34004 and MC35004 can...