Title:
【発明の名称】位相シフト構成
Document Type and Number:
Japanese Patent JP2003506910
Kind Code:
A
Abstract:
The present invention is directed to a phase shifting arrangement for generating a set of mutually orthogonal signals. In one aspect, the invention provides a system that includes a phase shifting unit for receiving an input signal. The phase shifting unit includes a first phase shift circuit for generating a first output signal phase-shifted by a first amount with respect to the input signal, a second phase shift circuit for generating a second output signal phase-shifted by a second amount with respect to the input signal, and a third phase shift circuit for generating a third output signal phase-shifted by a third amount with respect to the input signal.
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Inventors:
James, Digby, Yarlet, Coria
Justin, David, John, Penfold
Justin, David, John, Penfold
Application Number:
JP2001513813A
Publication Date:
February 18, 2003
Filing Date:
July 18, 2000
Export Citation:
Assignee:
Cambridge Silicon Radio Limited
International Classes:
H03H11/18; H03H11/22; H03L7/081; H04L27/18; (IPC1-7): H04L27/18; H03H11/18
Domestic Patent References:
| JPH05505297A | 1993-08-05 | |||
| JPS6478012A | 1989-03-23 | |||
| JPS62115910A | 1987-05-27 |
Foreign References:
| US5663665A | 1997-09-02 | |||
| EP0703673A2 | 1996-03-27 |
Attorney, Agent or Firm:
Kenji Yoshitake (4 others)