RF amplifier

Details RF amplifier RF amplifier

2006-10-10

2006-10-10

Nguyen, Patricia (Department: 2817)

Amplifiers

Involving structure other than that of transformers per se

With capacitive structure

C330S302000, C330S066000

Reexamination Certificate

active

07119613

ABSTRACT:
A RF amplifier device (22) including an amplifier element (24) compensated by a compensating circuit (26, 28) with respect to its output capacitance and frequency decoupled from its power supply (26), wherein the decoupling circuit is directly connected to the compensating circuit (26, 28) and a RF amplifier device including an amplifier element (56, 80) and a compensating circuit comprising an internal shunt inductor having a compensating inductance (58, 60, 62) and a compensating capacitance (64, 92) and arranged in parallel to a terminal of the amplifier element (56, 80) to compensate a terminal capacitance of the amplifier element (56, 80), and a decoupling and power supply lead (76, 98) which is connected to the compensating capacitance (64, 92) and/or a decoupling circuit (100) and/or a combination of the compensating capacitance and the decoupling circuit (130) and a module thereof and a method for decoupling the mentioned RF amplifier device.

REFERENCES:
patent: 5272450 (1993-12-01), Wisherd
patent: 5477188 (1995-12-01), Chawla et al.
patent: 5999058 (1999-12-01), Saitou et al.
patent: 6046641 (2000-04-01), Chawla et al.
patent: 6443547 (2002-09-01), Takahashi et al.
patent: 0368329 (1990-05-01), None
patent: 2225683 (1990-06-01), None

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