Amplifier circuit and the controlling method thereof

Details Amplifier circuit and the controlling method thereof Amplifier circuit and the controlling method thereof

2011-05-17

2011-05-17

Nguyen, Hieu P (Department: 2817)

Amplifiers

With semiconductor amplifying device

Including plural amplifier channels

C330S264000

Reexamination Certificate

active

07944308

ABSTRACT:
An amplifier circuit includes a first unit and a second unit. The first unit has a first amplifying unit, wherein the first amplifying unit provides a first main circuit unit and a first assistant circuit unit, and the first assistant circuit unit is configured for assisting the linearity of the first main circuit unit. The second unit includes a second amplifying unit, wherein the second amplifying unit has a second main circuit unit and a second assistant circuit unit, and the second assistant circuit unit is configured for assisting the linearity of the second main circuit unit. The first amplifying unit is configured for conducting in one half cycle of an input signal, and the second amplifying unit is configured for conducting in the other half cycle of the input signal.

REFERENCES:
patent: 6636115 (2003-10-01), Kim et al.
patent: 7265593 (2007-09-01), Sung
patent: 7586375 (2009-09-01), Kim et al.
patent: 2006/0049876 (2006-03-01), Kim et al.
Jongchan Kang, Jehyung Yoon, Kyoungjoon Min, Daekyu Yu, Joongjin Nam, Youngoo Yang,Member, IEEE, and Bumman Kim,Senior Member, IEEE, “A Highly Linear and Efficient Differential CMOS Power Amplifier with Harmonic Control,” IEEE Journal of Solid-State Circuits, vol. 41, No. 6, Jun. 2006, pp. 1314-1322.

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