Invention Grant
- Patent Title: Linearity of phase interpolators using capacitive elements
- Patent Title (中): 使用电容元件的相位内插器的线性度
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Application No.: US14300119Application Date: 2014-06-09
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Publication No.: US09356588B2Publication Date: 2016-05-31
- Inventor: Li Sun , Zhi Zhu , Xiaohua Kong
- Applicant: Qualcomm Incorporated
- Applicant Address: US CA San Diego
- Assignee: QUALCOMM INCORPORATED
- Current Assignee: QUALCOMM INCORPORATED
- Current Assignee Address: US CA San Diego
- Agency: Procopio, Cory, Hargreaves & Savitch, LLP
- Main IPC: H03H11/16
- IPC: H03H11/16 ; H03K5/13 ; H04L7/02 ; H04L7/00 ; H03K5/00
Abstract:
A phase interpolator, including: a pair of load resistors coupled to a supply voltage; a plurality of branches coupled to the pair of load resistors, each branch including a differential pair of transistors connected at source terminal to form a source node; a plurality of tail current sources, each tail current source coupled to one of the source nodes; and a plurality of coupling capacitors, each coupling capacitor coupled between the source nodes in two adjacent branches of the plurality of branches.
Public/Granted literature
- US20150358008A1 Linearity of Phase Interpolators using Capacitive Elements Public/Granted day:2015-12-10
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