Adjustable segmented power amplifier

Details Adjustable segmented power amplifier Adjustable segmented power amplifier

2011-01-04

2011-10-25

Nguyen, Khanh (Department: 2817)

Amplifiers

Combined with automatic amplifier disabling switch means

C330S302000, C330S310000

Reexamination Certificate

active

08044716

ABSTRACT:
An adjustable, segmented amplifier including (i) a first fixed stage configured to amplify an analog signal in accordance with a fixed amplification, and provide the analog signal amplified in accordance with the fixed amplification to a first common node. The adjustable, segmented amplifier further includes an adjustable stage comprising a plurality of independently selectable parallel amplifier segments, wherein the adjustable stage is configured to (i) amplify the analog signal provided to the first common node in accordance with an adjustable amplification that is adjustable depending upon a number of the independently selectable parallel amplifier segments having been selected to amplify the analog signal provided to the first common node, and (ii) provide the analog signal amplified in accordance with the fixed amplification and amplified in accordance with the adjustable amplification to the second common node.

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IEEE Computer Society and the IEEE Microwave Theory and Techniques Society; “Part 16: Air Interface for Fixed Broadband and Wireless Access Systems”; IEEE Standards for Local and Metropolitan Area Networks; Oct. 1, 2004; IEEE Std 802.16-2004; Institute of Electrical and Electronics Engineers, Inc. New York, NY.

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