Coupled-inductance differential amplifier

Details Coupled-inductance differential amplifier Coupled-inductance differential amplifier

2007-10-23

2007-10-23

Nguyen, Khanh Van (Department: 2817)

Amplifiers

With semiconductor amplifying device

Including differential amplifier

C330S252000

Reexamination Certificate

active

10667019

ABSTRACT:
A differential amplifier that employs mutually coupled inductors to provide desired levels of inductance in a substantially smaller form factor in comparison to individual inductor components. Mutually coupled inductors according to the present teachings may also be used to increase common mode rejection in a differential amplifier.

REFERENCES:
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patent: 6639468 (2003-10-01), Belot
patent: 7098737 (2006-08-01), Fujimoto et al.
patent: 2002/0180534 (2002-12-01), Florian et al.
patent: 2005/0162229 (2005-07-01), Notthoff
patent: WO02/093735 (2002-11-01), None
Cassan et al., A 1-V Transformer-Feedback Low-Noise Amplifier for 5-GHz Wireless LAN in 0.18-um CMOS, (IEEE Journal of Solid-State Circuits, vol. 38, No. 3, Mar. 2003), p. 432.
Zhou et al., Monolithic Transformer and Their Application in a Differential CMOS RD Low-Noise Amplifier, (IEEE Journal of Solid-State Circuits, vol. 33, No. 12, Dec. 1998), p. 2024.

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