Method for transforming output signals of a low-noise...

Details Method for transforming output signals of a low-noise... Method for transforming output signals of a low-noise...

2007-05-29

2007-05-29

Mottola, Steven J. (Department: 2817)

Amplifiers

With semiconductor amplifying device

Including balanced to unbalanced circuits and vice versa

C330S195000

Reexamination Certificate

active

10907153

ABSTRACT:
A method for transforming single-ended signals outputted from a low-noise amplifier of a wireless transceiver into differential signals. The method includes: providing a transformer according to a default requirement of the wireless transceiver; transferring the single-ended signals provided by the low-noise amplifier to a first end of a primary end of the transformer, and coupling a second end of the primary end of the transformer to a power source; grounding a center tap of a secondary end of the transformer; and outputting the differential signals from two ends of the secondary end of the transformer.

REFERENCES:
patent: 6275687 (2001-08-01), Lloyd
patent: 6836183 (2004-12-01), Wight

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