Invention Grant
- Patent Title: Apparatus for reducing wandering spurs in a fractional-N frequency synthesizer
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Application No.: US16041648Application Date: 2018-07-20
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Publication No.: US10541707B2Publication Date: 2020-01-21
- Inventor: Hongjia Mo , Michael Peter Kennedy
- Applicant: UNIVERSITY COLLEGE CORK—NATIONAL UNIVERSITY OF IRELAND, CORK
- Applicant Address: IE Dublin
- Assignee: UNIVERSITY COLLEGE CORK, NUI, CORK
- Current Assignee: UNIVERSITY COLLEGE CORK, NUI, CORK
- Current Assignee Address: IE Dublin
- Agency: Loza & Loza, LLP
- Agent Anthony G. Smyth
- Main IPC: H03M3/00
- IPC: H03M3/00
Abstract:
The present invention provides a fractional-N frequency synthesizer comprising a divider controller comprising a multistage noise Shaping (MASH) digital delta-sigma modulator comprising L stages, wherein the Lth stage is configured to receive as an input a high amplitude dither signal.
Public/Granted literature
- US20190089368A1 APPARATUS FOR REDUCING WANDERING SPURS IN A FRACTIONAL-N FREQUENCY SYNTHESIZER Public/Granted day:2019-03-21
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