Telecommunications – Receiver or analog modulated signal frequency converter – With particular receiver circuit
Reexamination Certificate
2011-01-25
2011-01-25
Phu, Sanh D (Department: 2618)
Telecommunications
Receiver or analog modulated signal frequency converter
With particular receiver circuit
C455S168100, C455S253200, C455S280000, C455S286000, C330S010000, C330S286000
Reexamination Certificate
active
07877077
ABSTRACT:
A multi-band low noise amplifier (LNA) includes multiple low noise amplifying circuits configured to selectively operate in corresponding frequency bands. The low noise amplifying circuits include corresponding amplifying units and degenerating units. The degenerating units include first inductors, which are arranged in loop patterns isolated from each other on a same layer, such that one first inductor surrounds at least one other first inductor. A current flows through a selected first inductor included in a selected low noise amplifying circuit of the low noise amplifying circuits.
REFERENCES:
patent: 4311966 (1982-01-01), Bert et al.
patent: 5412339 (1995-05-01), Takano
patent: 2007/0152747 (2007-07-01), Smith et al.
patent: 2003-283263 (2003-10-01), None
patent: 2004-266356 (2004-09-01), None
patent: 0544958 (2006-01-01), None
Mun Hyun-Won
Nam Il-Ku
Ryu Seong-Han
Phu Sanh D
Samsung Electronics Co,. Ltd.
Volentine & Whitt P.L.L.C.
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