RF amplifier

Details RF amplifier RF amplifier

2006-09-14

2009-12-29

Nguyen, Simon D (Department: 2618)

Telecommunications

Receiver or analog modulated signal frequency converter

Frequency modifying or conversion

C455S293000, C455S323000, C455S333000, C455S341000

Reexamination Certificate

active

07640002

ABSTRACT:
An RF amplifier for amplifying a composite RF signal includes a first RF signal and a second RF signal. The amplifier includes a first amplifying stage for providing a first amplified signal a second amplifying stage for providing a second amplified signal, a third amplifying stage for providing a third amplified signal and a fourth amplifying stage for providing a fourth amplified signal, the fourth amplifying stage being arranged after the third amplifying stage. The respective amplified signals are summed up to obtain amplified RF signals.

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patent: 6411801 (2002-06-01), Kim et al.
patent: 7099646 (2006-08-01), Jin et al.
Coffing, Danielle et al., “A Low-Noise Low-Power IF Amplifier with Input and Output Impedance Matching,” IEEE BCTM 4.1, pp. 66-69, 2000.

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