GB2215565B - Improvements relating to signal suppression in radio frequency receivers - Google Patents

Improvements relating to signal suppression in radio frequency receivers

Info

Publication number
GB2215565B
GB2215565B GB8805907A GB8805907A GB2215565B GB 2215565 B GB2215565 B GB 2215565B GB 8805907 A GB8805907 A GB 8805907A GB 8805907 A GB8805907 A GB 8805907A GB 2215565 B GB2215565 B GB 2215565B
Authority
GB
United Kingdom
Prior art keywords
radio frequency
improvements relating
signal suppression
frequency receivers
receivers
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.)
Expired - Fee Related
Application number
GB8805907A
Other versions
GB8805907D0 (en
GB2215565A (en
Inventor
John Richard Cobden Snow
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.)
Roke Manor Research Ltd
Plessey Co Ltd
Original Assignee
Roke Manor Research Ltd
Plessey Co Ltd
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 Roke Manor Research Ltd, Plessey Co Ltd filed Critical Roke Manor Research Ltd
Priority to GB8805907A priority Critical patent/GB2215565B/en
Publication of GB8805907D0 publication Critical patent/GB8805907D0/en
Publication of GB2215565A publication Critical patent/GB2215565A/en
Application granted granted Critical
Publication of GB2215565B publication Critical patent/GB2215565B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/36—Means for anti-jamming, e.g. ECCM, i.e. electronic counter-counter measures
    • 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
    • H03D7/161—Multiple-frequency-changing all the frequency changers being connected in cascade
    • H03D7/163—Multiple-frequency-changing all the frequency changers being connected in cascade the local oscillations of at least two of the frequency changers being derived from a single oscillator
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Power Engineering (AREA)
  • Noise Elimination (AREA)
  • Superheterodyne Receivers (AREA)
GB8805907A 1988-03-12 1988-03-12 Improvements relating to signal suppression in radio frequency receivers Expired - Fee Related GB2215565B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8805907A GB2215565B (en) 1988-03-12 1988-03-12 Improvements relating to signal suppression in radio frequency receivers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8805907A GB2215565B (en) 1988-03-12 1988-03-12 Improvements relating to signal suppression in radio frequency receivers

Publications (3)

Publication Number Publication Date
GB8805907D0 GB8805907D0 (en) 1988-07-13
GB2215565A GB2215565A (en) 1989-09-20
GB2215565B true GB2215565B (en) 1992-01-29

Family

ID=10633316

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8805907A Expired - Fee Related GB2215565B (en) 1988-03-12 1988-03-12 Improvements relating to signal suppression in radio frequency receivers

Country Status (1)

Country Link
GB (1) GB2215565B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5303404A (en) * 1991-10-17 1994-04-12 Nokia Mobile Phones Ltd. Adjustable bandwidth in a radiotelephone
DE4220228B4 (en) * 1992-06-20 2004-10-14 Robert Bosch Gmbh Circuit arrangement for the suppression of narrowband interference signals
US7092043B2 (en) 1998-11-12 2006-08-15 Broadcom Corporation Fully integrated tuner architecture
EP2048775A1 (en) 2007-10-10 2009-04-15 Semiconductors Ideas to the Market (ITOM) B.V. Anti jamming system
EP2048800A1 (en) * 2007-10-10 2009-04-15 Semiconductor Ideas to The Market (ItoM) BV Anti jamming system
US8880016B2 (en) * 2007-10-10 2014-11-04 Semiconductor Ideas To The Market (Itom) B.V. Anti-jamming system

Also Published As

Publication number Publication date
GB8805907D0 (en) 1988-07-13
GB2215565A (en) 1989-09-20

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20030312