High-frequency amplifier, and transmission/reception system

Details High-frequency amplifier, and transmission/reception system High-frequency amplifier, and transmission/reception system

2011-01-25

2011-01-25

Anderson, Matthew D (Department: 2618)

Telecommunications

Transmitter and receiver at same station

C455S078000, C370S280000, C330S296000

Reexamination Certificate

active

07877063

ABSTRACT:
In a high-frequency amplifier for amplifying transmission and reception signals, an integrated circuit area is reduced to reduce production costs. A high-frequency amplifier (101) includes a reception signal amplifying part (102), a transmission signal amplifying part (103), and a spiral inductor (104). An output of the reception signal amplifying part (102) is connected with an output of the transmission signal amplifying part (103) to be an output terminal OUT of the high-frequency amplifier (101). The single spiral inductor (104) is connected to the output terminal OUT. This spiral inductor (104) is used as a load common to the reception signal amplifying part (102) and the transmission signal amplifying part (103). Thereby, the area of the integrated circuit is reduced, and the production cost is reduced.

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