Distributed amplifier
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United States of America Patent
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Aug 1, 2017
Issued Date -
N/A
app pub date -
Feb 17, 2016
filing date -
Mar 6, 2015
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A distributed amplifier includes: an input-side transmission line; M amplification circuits; M output-side transmission lines; and a combination circuit configured to combine outputs of the M output-side transmission lines; wherein the input-side transmission line has an input-side serial line formed by connecting in series M×N unit transmission lines each including the same line length, and an input-side terminating resistor, the M amplification circuits each includes N amplifiers and the N amplifiers of the i-th amplification circuit take the input node of the ((k−1) M+i)-th input-side transmission line to be the input, and the output-side transmission line includes an output-side serial line including N transmission lines each being connected in series between the neighboring outputs of the N amplifiers and each having a line width in which the phase of the output of the amplifier in each stage agrees with one another.
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