Telecommunications – Transmitter – Power control – power supply – or bias voltage supply
Reexamination Certificate
2007-04-03
2007-04-03
Trinh, Sonny (Department: 2618)
Telecommunications
Transmitter
Power control, power supply, or bias voltage supply
C455S194200, C455S253200
Reexamination Certificate
active
10800237
ABSTRACT:
A Radio Frequency (RF) power amplifier includes a transconductance stage, an AC coupling element, and a cascode stage. The transconductance stage is adapted to receive an input RF voltage signal and to produce an output RF current signal. The cascode stage is adapted to receive an input RF current signal and to produce an output RF voltage signal. The AC coupling element couples between the transconductance stage and the cascode stage and is operable to AC couple the output RF current signal of the transconductance stage as the input RF current signal of the cascode stage.
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B. Ray, T. Manku, R.D. Beards, J.J.Nisbet, and W. Kung, RF Technology Group, Department of Electrical & Computer Engineering, University of Waterloo, Waterloo, Ontario Canado N2L 3G1 “A Highly Linear Bipolar IV Folded Cascode 1.9GHz Low Noise Amplifier”.
Ian M. Wiles, IPR Technology, Basingstoke, Hants, UK “Cascode Circuit Works From 1V Supply”—2119 EDN-Electrical Design News, 37 May 21, 1992 No. 11, Newton, MA, US (p. 178).
Broadcom Corporation
Garlick Bruce E.
Garlick & Harrison & Markison
Trinh Sonny
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