Amplifiers – With amplifier bypass means
Patent
1997-12-18
2000-05-02
Lee, Benny
Amplifiers
With amplifier bypass means
455126, H03F 132
Patent
active
060577339
ABSTRACT:
A modularly-partitioned feedforward multicarrier linear RF power amplifier is described. The circuitry and components of the power amplifier are segregated into physically-separate modules in accordance with several criteria. In one embodiment, the power amplifier is segregated into a RF power module, a linearizer module and a DC power supply module. The RF power module includes power- and frequency-dependent components and generally varies with the carrier frequency and output power requirements for a specific application. The linearizer module includes circuitry and components that are substantially power- and frequency-independent. As such, the linearizer module is substantially invariant and a single design may be used for virtually any application. The DC power supply module includes circuit and components that are substantially frequency independent but somewhat power dependent. The DC power supply module may vary from amplifier to amplifier where there is a significant change in output power requirements.
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Donaldson Jimmie L.
Montgomery Robert K.
Myer Robert E.
Patel Mohan
Ziesse Norman G.
Lee Benny
Lucent Technologies - Inc.
Nguyen Khanh Van
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