Amplifiers – With plural amplifier channels – Redundant amplifier circuits
Patent
1997-06-30
1999-01-19
Mullins, James B.
Amplifiers
With plural amplifier channels
Redundant amplifier circuits
330295, H03F 368
Patent
active
058617760
ABSTRACT:
An RF power amplifier system is provided including a plurality of the DC voltage sources of different magnitudes. An RF source provides an RF drive signal. N RF actuatable power amplifiers are provided. Each amplifier, when actuated, is connectable to a selected one of the voltage sources for providing an RF output signal amplified in accordance with the magnitude with the selected voltage source. One or more of the N RF power amplifiers are actuated in dependence upon the value of an input signal. One of the voltage sources is selectively connected to each of the actuated RF power amplifiers. The amplified RF output signals are additively combined to provide a combined RF output signal.
REFERENCES:
patent: 4580111 (1986-04-01), Swanson
patent: 5438684 (1995-08-01), Schwent et al.
Harris Corporation
Mullins James B.
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