GB0322987D0 - Apparatus and method for signal filtering - Google Patents

Apparatus and method for signal filtering

Info

Publication number
GB0322987D0
GB0322987D0 GB0322987A GB0322987A GB0322987D0 GB 0322987 D0 GB0322987 D0 GB 0322987D0 GB 0322987 A GB0322987 A GB 0322987A GB 0322987 A GB0322987 A GB 0322987A GB 0322987 D0 GB0322987 D0 GB 0322987D0
Authority
GB
United Kingdom
Prior art keywords
signal filtering
filtering
signal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
GB0322987A
Other versions
GB2406727A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Thales Holdings UK PLC
Original Assignee
Thales Holdings UK PLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Thales Holdings UK PLC filed Critical Thales Holdings UK PLC
Priority to GB0322987A priority Critical patent/GB2406727A/en
Publication of GB0322987D0 publication Critical patent/GB0322987D0/en
Publication of GB2406727A publication Critical patent/GB2406727A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/16—Multiple-frequency-changing
    • H03D7/165—Multiple-frequency-changing at least two frequency changers being located in different paths, e.g. in two paths with carriers in quadrature
GB0322987A 2003-10-01 2003-10-01 Heterodyne filter Withdrawn GB2406727A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0322987A GB2406727A (en) 2003-10-01 2003-10-01 Heterodyne filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0322987A GB2406727A (en) 2003-10-01 2003-10-01 Heterodyne filter

Publications (2)

Publication Number Publication Date
GB0322987D0 true GB0322987D0 (en) 2003-11-05
GB2406727A GB2406727A (en) 2005-04-06

Family

ID=29415304

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0322987A Withdrawn GB2406727A (en) 2003-10-01 2003-10-01 Heterodyne filter

Country Status (1)

Country Link
GB (1) GB2406727A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108123684B (en) * 2017-12-19 2021-05-25 中国科学院深圳先进技术研究院 Digital down-conversion processing method and device

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3681697A (en) * 1969-12-31 1972-08-01 Westinghouse Electric Corp Wideband image terminated mixer
US4492960A (en) * 1982-01-18 1985-01-08 The United States Of America As Represented By The Secretary Of The Navy Switching mixer
SU1116531A1 (en) * 1983-01-04 1984-09-30 Московский Ордена Ленина И Ордена Октябрьской Революции Авиационный Институт Им.Серго Орджоникидзе Band-pass filter
US5630225A (en) * 1992-08-17 1997-05-13 Motorola, Inc. Dielectric resonator image reject mixer and method
US5434541A (en) * 1994-06-30 1995-07-18 At&T Corp. Frequency translated filter for a micro-miniature radio receiver

Also Published As

Publication number Publication date
GB2406727A (en) 2005-04-06

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)