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US 2006/0052071 A1Published application
System and method for reducing phase distortion in a linear transmitter
AssigneeBroadcom Corporation
InventorMeng-An Pan
Life of this patent
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Abstract
The invention decreases phase distortion in a transmitter by balancing C load in the power amplifier input such that a PGA won't have phase distortion.
Claims11
A power amplifier, comprising:
- two sets of differential pairs;
- a differential inductor coupled to each of the differential pairs;
- and
- wherein each of the differential pairs includes a bias transistor supplying a bias voltage to the amplifier that in combination balance the C load.
1 more element
A method, comprising:
- presenting a load by two sets of differential pairs of a power amplifier, wherein the pairs are coupled to a differential inductor;
- and
- supplying bias voltages to the differential pairs that in combination balance the C load.
Dependencies are inferred from the claim text.