GB2131638B - Microwave frequency generator - Google Patents

Microwave frequency generator

Info

Publication number
GB2131638B
GB2131638B GB08234401A GB8234401A GB2131638B GB 2131638 B GB2131638 B GB 2131638B GB 08234401 A GB08234401 A GB 08234401A GB 8234401 A GB8234401 A GB 8234401A GB 2131638 B GB2131638 B GB 2131638B
Authority
GB
United Kingdom
Prior art keywords
frequency generator
microwave frequency
microwave
generator
frequency
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
Application number
GB08234401A
Other versions
GB2131638A (en
Inventor
Hugh Mcpherson
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.)
Ferranti International PLC
Original Assignee
Ferranti 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 Ferranti PLC filed Critical Ferranti PLC
Priority to GB08234401A priority Critical patent/GB2131638B/en
Priority to SE8306636A priority patent/SE8306636L/en
Priority to DE19833343540 priority patent/DE3343540A1/en
Priority to IT49415/83A priority patent/IT1172361B/en
Priority to FR8319220A priority patent/FR2537360A1/en
Publication of GB2131638A publication Critical patent/GB2131638A/en
Application granted granted Critical
Publication of GB2131638B publication Critical patent/GB2131638B/en
Expired 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
    • G01S7/28—Details of pulse systems
    • G01S7/285—Receivers
    • 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
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/06—Systems determining position data of a target
    • G01S13/08—Systems for measuring distance only
    • G01S13/10—Systems for measuring distance only using transmission of interrupted, pulse modulated waves
    • G01S13/24—Systems for measuring distance only using transmission of interrupted, pulse modulated waves using frequency agility of carrier wave

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
GB08234401A 1982-12-02 1982-12-02 Microwave frequency generator Expired GB2131638B (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
GB08234401A GB2131638B (en) 1982-12-02 1982-12-02 Microwave frequency generator
SE8306636A SE8306636L (en) 1982-12-02 1983-12-01 microwave
DE19833343540 DE3343540A1 (en) 1982-12-02 1983-12-01 MICROWAVE FREQUENCY GENERATOR
IT49415/83A IT1172361B (en) 1982-12-02 1983-12-01 MICROWAVE FREQUENCY GENERATOR
FR8319220A FR2537360A1 (en) 1982-12-02 1983-12-01 ULTRA-SHORT WAVE GENERATOR WITH TWO OSCILLATORS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08234401A GB2131638B (en) 1982-12-02 1982-12-02 Microwave frequency generator

Publications (2)

Publication Number Publication Date
GB2131638A GB2131638A (en) 1984-06-20
GB2131638B true GB2131638B (en) 1986-03-12

Family

ID=10534691

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08234401A Expired GB2131638B (en) 1982-12-02 1982-12-02 Microwave frequency generator

Country Status (5)

Country Link
DE (1) DE3343540A1 (en)
FR (1) FR2537360A1 (en)
GB (1) GB2131638B (en)
IT (1) IT1172361B (en)
SE (1) SE8306636L (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4829301A (en) * 1987-11-13 1989-05-09 Ford Aerospace & Communications Corporation Digital first order hold circuit
DE69838212T3 (en) † 1998-07-28 2019-03-14 Ipcom Gmbh & Co. Kg mobile phone

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2246487C2 (en) * 1972-09-22 1974-10-24 Siemens Ag, 1000 Berlin Und 8000 Muenchen Vibration generator for particularly short electromagnetic waves
US4105948A (en) * 1977-04-18 1978-08-08 Rca Corporation Frequency synthesizer with rapidly changeable frequency
US4310804A (en) * 1978-02-06 1982-01-12 Motorola, Inc. Input activated frequency synthesizer
FR2469823A1 (en) * 1979-11-09 1981-05-22 Thomson Csf Temperature stable frequency generator for frequency synthesiser - uses control voltage, based on spot frequency characteristics, calculated from digital processor
FR2483704A1 (en) * 1980-06-03 1981-12-04 Thomson Csf FREQUENCY PRESPOSITION DEVICE FOR INDIRECT SYNTHESIZER OF FREQUENCY AND SYNTHESIZER COMPRISING SUCH A DEVICE

Also Published As

Publication number Publication date
FR2537360A1 (en) 1984-06-08
IT8349415A0 (en) 1983-12-01
GB2131638A (en) 1984-06-20
SE8306636D0 (en) 1983-12-01
SE8306636L (en) 1984-06-03
IT1172361B (en) 1987-06-18
DE3343540A1 (en) 1984-06-07

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19961202