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To our knowledge this is the first reported multichannel broadband tuner embedded in a DOCSIS 3.0 System on a chip implemented in 65 nm pure digital CMOS technology.
This amplifier can be included as a part of an integrated receiver that is valuable for array applications.
The proposed tuner provides real-time reconfiguration and matching for RF loads that could change during system operation.
The proposed tuner is suitable for high-power applications including radars and base stations.
With this tuner, either process deviations can be compensated or circuit parameters can be altered to meet different requirements.
This tuner has the good SNR and immunity performance over wide dynamic range for multi-band and multi-mode applications with the automatic gain control and calibration schemes.
The results show that the tuner can achieve a broadband impedance match for a wide variety of loads that are either purely resistive or that have a large reactance as well.
The reduced component count achieved by using an integrated circuit and the resulting reduction in the size of the tuner, provides potential cost savings over a discrete implementation.

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