Method and device for active impedance matching

Details Method and device for active impedance matching Method and device for active impedance matching

H - Electricity

03

H

H03H 11/28 (2006.01) H03H 17/00 (2006.01)

Patent

CA 2713963

Dynamic matching of a source impedance 204, 304 to a load impedance 240, 340. An embodiment of the invention is a device for active impedance matching comprising a voltage driver 410 having an output connected to a load 442, means for detecting an output current 406 from the voltage driver 410 to the load 442, means for scaling the detected output current 406 by a scaling value 416, and means for subtracting. a value representing the scaled detected output current 420 from an input signal 402 of the voltage driver 410. Another embodiment is a device for active impedance matching comprising a current driver 510 having an output connected to a load 542, means for detecting an output voltage 508 from the current driver 510 to the load 542, means for scaling the detected output voltage 508 by a scaling value 516, and means for subtracting a value representing the scaled detected output voltage 520 from an input signal 502 of the current driver 520.

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