Amplifiers – Sum and difference amplifiers
Reexamination Certificate
2007-10-16
2007-10-16
Nguyen, Patricia (Department: 2817)
Amplifiers
Sum and difference amplifiers
C330S307000, C330S260000
Reexamination Certificate
active
10887869
ABSTRACT:
An embodiment of the present invention includes an amplifier on an integrated circuit, with the amplifier having positive and negative inputs, and positive and negative outputs. A first feedback capacitor is on the integrated circuit between the positive input and the negative output. A second feedback capacitor is on the integrated circuit between the negative input and the positive output. A package encloses the integrated circuit. A third capacitor is between the positive and negative inputs. A feedback factor of the amplifier circuit approaches unity. In example embodiments, the first and second capacitors are between 3 and 10 pF. The third capacitor is between 3 and 10 pF.
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Broadcom Corporation
Nguyen Patricia
Sterne Kessler Goldstein & Fox P.L.L.C.
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