Negative-feedback type ultra-wideband signal amplification...

Details Negative-feedback type ultra-wideband signal amplification... Negative-feedback type ultra-wideband signal amplification...

2008-06-19

2009-11-24

Choe, Henry K (Department: 2817)

Amplifiers

With semiconductor amplifying device

Including signal feedback means

C330S310000

Reexamination Certificate

active

07622995

ABSTRACT:
A negative-feedback type ultra-wideband signal amplification circuit is proposed, which is designed for integration to an ultra-wideband (UWB) signal processing circuit system for providing a low-noise amplification function to UWB signals. The proposed circuit architecture is characterized by the provision of a dual-step filter circuit on the input side, the provision of a resistive-type feedback circuit in the transistor-based amplification circuitry, and the provision of a common-source transistor-based amplification circuit on the output side. These features allow the proposed signal amplification circuit to have flat power gain, lower power consumption, low noise figure, and higher operational stability.

REFERENCES:
patent: 7489202 (2009-02-01), Griffiths et al.
patent: 7541876 (2009-06-01), Lin
patent: 7551036 (2009-06-01), Berroth et al.
patent: 7560994 (2009-07-01), Lee et al.

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