Power supply circuit

Details Power supply circuit Power supply circuit

H - Electricity

04

L

340/100

H04L 27/00 (2006.01) H04L 7/00 (2006.01)

Patent

CA 1205541

ABSTRACT There is provided a power supply circuit which is connectable to an electronic transmission line carrying a supply circuit, and which may be used in a telemetry system the latter being useful for sensing remote physical events as well as for transmitting and boosting a digital data signal representing the sensed events on a transmission line. The power supply circuit has first means, coupled to the electronic transmission line, for receiving the supply current and for generating a power signal comprising a sinusoidal current and a first square wave voltage; a tank circuit, operatively connected to the first means, for generating, as an output, a sinusoidal voltage which is proportional to the sinusoidal current; and second means, operatively connected to the tank circuit, for receiving the sinusoidal voltage and for providing local power.

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