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US 6,388,527 B1Granted
Semiconductor circuit with a stabilized gain slope
AssigneeNEC Corporation
InventorsYuji Kakuta, Yoshiaki Fukasawa, Yuichi Taguchi
Life of this patent
Estimating the term…
Abstract
Realizing a stabilized gain slope without increasing circuit scale or entailing extra time or care for correcting impedance. A resonant circuit that is made up of a capacitor and an inductor is provided in an output stage outside a feedback loop for realizing peaking at a particular frequency and for realizing a gain slope having a desired slope of, for example, 1 dB or more.
Claims6
A semiconductor circuit comprising:
- a distributing means for distributing signals inputted by way of an input terminal into two signals of different phase;
- a first and second amplifying means provided with feedback loops, a plurality of resistance elements, and FETs connected in multiple stages for respectively amplifing signals distributed by said distributing means;
- synthesizing means for synthesizing two signals amplified by said first and said second amplifying means and outputs the result;
- and
- a resonant circuit outside said feedback loop.
2 more elements
Dependencies are inferred from the claim text.