Amplifiers – Signal feedback – In cascade amplifiers
Reexamination Certificate
2007-05-01
2007-05-01
Nguyen, Patricia (Department: 2817)
Amplifiers
Signal feedback
In cascade amplifiers
C330S269000, C330S277000
Reexamination Certificate
active
10743217
ABSTRACT:
A method and apparatus is used to provide DC stabilization and noise reduction in a multistage power amplifier. The invention uses various feedback techniques to stabilize DC levels, which helps to reduce noise. The invention also uses other techniques to reduce noise, and to reduce the noise transfer function in a power amplifier.
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T. Cho, E. Dukatz, M. Mack, D. Macnally, M. Marringa, S. Mehta, C. Nilson, L. Plouvier, and S. Rabii, “A single-chip CMOS direct-conversion transceiver for 900MHz spread-spectrum digital cordless phones,” IEEE International Solid-State Circuits Conference, vol. XLII, pp. 228-229, Feb. 1999.
Paul Susanne A.
Westwick Alan L.
Johnson & Associates
Nguyen Patricia
Silicon Laboratories Inc.
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