Telecommunications – Transmitter and receiver at separate stations – With control signal
Reexamination Certificate
2005-09-06
2005-09-06
Deane, Jr., William J. (Department: 2642)
Telecommunications
Transmitter and receiver at separate stations
With control signal
C455S068000, C455S522000
Reexamination Certificate
active
06941112
ABSTRACT:
A gain control amplification circuit of this invention has a gain control amplification section which has at least two stages and is arranged in the transmission circuit of a terminal equipment for communicating with a base station. The gain control amplification section includes gain control amplifiers of IF-GCA and RF-GCA arranged on the input side (former stage) and output side (latter stage) of an up converter in the transmission circuit. The gains of the gain control amplifiers are individually controlled by a control section.
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Deane, Jr. William J.
NEC Corporation
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