Inverse function method for semiconductor mixer linearity...

Details Inverse function method for semiconductor mixer linearity... Inverse function method for semiconductor mixer linearity...

2006-01-03

2006-01-03

Wells, Kenneth B. (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Specific input to output function

Combining of plural signals

C455S333000

Reexamination Certificate

active

06982588

ABSTRACT:
The mixer circuit includes a differential rf input driver; a differential local oscillator input circuit coupled to the differential rf input driver; a non-linear load coupled to the differential local oscillator input circuit wherein the non-linear load compensates for non-linearity of the differential rf input driver. The non-linear load has a V-I (voltage-current) transfer function the inverse of the input driver. This improves the mixer linearity without sacrificing the Gain or Noise Figure.

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