Does anyone know of a suitable amplifier for driving the primary of an inductive coupler coupled to a power line (so the secondary is just one turn, i.e., the power line passing through the toroidal coupler).
The frequencies are between 10 kHz and about 3 MHz and the supply voltage should be off batteries. The drive current, idealy, should be as high as possible - maybe a few amps. The input impedance to the power line is quite variable, but is probably between 50 ohms and 700 ohms (this is a medium voltage overhead power line) - but since the coupler is split core, it is loosely coupled to the power line.
The frequencies are between 10 kHz and about 3 MHz and the supply voltage should be off batteries. The drive current, idealy, should be as high as possible - maybe a few amps. The input impedance to the power line is quite variable, but is probably between 50 ohms and 700 ohms (this is a medium voltage overhead power line) - but since the coupler is split core, it is loosely coupled to the power line.