Method and apparatus to provide wideband low noise...

Details Method and apparatus to provide wideband low noise... Method and apparatus to provide wideband low noise...

2006-07-11

2006-07-11

Nguyen, Patricia (Department: 2817)

Amplifiers

With semiconductor amplifying device

Including frequency-responsive means in the signal...

C330S133000

Reexamination Certificate

active

07075374

ABSTRACT:
Wideband low noise amplification is achieved using a serial chain of relatively narrowband LNAs. Each of the narrowband LNAs amplifies a different portion of the overall bandwidth of the wideband amplification system. In at least one embodiment, a buffer amplifier is provided at the end of the chain of LNAs to provide impedance matching over the extended bandwidth.

REFERENCES:
patent: 5933057 (1999-08-01), Tchamov et al.
patent: 6285865 (2001-09-01), Vorenkamp et al.
patent: 6509799 (2003-01-01), Franca-Neto
patent: 6771124 (2004-08-01), Ezell
patent: 6819936 (2004-11-01), Weissman

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