Title:
HIGH EFFICIENCY DOHERTY AMPLIFIER WITH A SEGMENTED MAIN AMPLIFIER
Document Type and Number:
WIPO Patent Application WO2006055891
Kind Code:
A3
Abstract:
A Doherty amplifier that includes a main amplifier device (202) and an auxiliary amplifier device (204). The main amplifier device (202) includes a plurality of independently controllable amplifier segments. The system further includes a coupler (112) for coupling an input signal (110) to each of the main amplifier device (202) and the auxiliary amplifier device (204). The system further includes an impedance inverter (106) for power combining an output signal of the main amplifier device (202) with an output signal of the auxiliary amplifier device (204).
Inventors:
SHAH TUSHAR RAMANLAL (US)
WONG GERALD K (US)
TITIZER KORHAN (US)
WONG GERALD K (US)
TITIZER KORHAN (US)
Application Number:
PCT/US2005/042094
Publication Date:
November 02, 2006
Filing Date:
November 17, 2005
Export Citation:
Assignee:
ASPENDOS COMM (US)
SHAH TUSHAR RAMANLAL (US)
WONG GERALD K (US)
TITIZER KORHAN (US)
SHAH TUSHAR RAMANLAL (US)
WONG GERALD K (US)
TITIZER KORHAN (US)
International Classes:
H03F3/68
Foreign References:
| US5786727A | 1998-07-28 | |||
| US6798295B2 | 2004-09-28 | |||
| US20050280466A1 | 2005-12-22 |
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