The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 9654310 B1

PDF
Full Text
Expired
Date of Patent:
May. 16, 2017

Filed:

Nov. 19, 2016
Applicant:

Nxp Usa, Inc., Austin, TX (US);

Inventor:

Yi Cheng Chang, Tempe, AZ (US);

Assignee:

NXP USA, INC., Austin, TX (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03H 7/30 (2006.01); H03H 7/40 (2006.01); H03K 5/159 (2006.01); H04L 25/03 (2006.01);
U.S. Cl.
CPC ...
H04L 25/03025 (2013.01); H04L 2025/0349 (2013.01);
Abstract

An analog delay cell is provided that includes a transconductance-capacitance stage and an inductive transimpedance amplifier stage that provides an all-pass transfer function. In another embodiment, an adaptive analog delay cell including a transconductance (gm) plus capacitance (C) stage and an inductive-capacitance transimpedance amplifier (TIA) stage with digitally programmable phase-shift is provided. The adaptive analog delay cell increases the phase-shift by incorporating an LC network in the feedback path of the transimpedance stage. The disclosed analog delay cells can be used to provide delays in a tapped delay line. Also, the disclosed analog delay cells may be used to perform the multiplier and summation functions of a tapped delay line in addition to providing the delays. In another embodiment, the transimpedance amplifier stage includes an inductive-capacitive transimpedance amplifier stage.


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Chang, Yi. (2017). Analog delay cell and tapped delay line comprising the analog delay cell (U.S. Patent No. 9654310). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9654310

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