GB2059696B - Automatic frequency control circuits - Google Patents

Automatic frequency control circuits

Info

Publication number
GB2059696B
GB2059696B GB7930362A GB7930362A GB2059696B GB 2059696 B GB2059696 B GB 2059696B GB 7930362 A GB7930362 A GB 7930362A GB 7930362 A GB7930362 A GB 7930362A GB 2059696 B GB2059696 B GB 2059696B
Authority
GB
United Kingdom
Prior art keywords
frequency control
control circuits
automatic frequency
automatic
circuits
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
GB7930362A
Other versions
GB2059696A (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.)
BAE Systems PLC
Original Assignee
British Aerospace 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 British Aerospace PLC filed Critical British Aerospace PLC
Priority to GB7930362A priority Critical patent/GB2059696B/en
Publication of GB2059696A publication Critical patent/GB2059696A/en
Application granted granted Critical
Publication of GB2059696B publication Critical patent/GB2059696B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • 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
    • G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
    • G01S13/76—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted
    • G01S13/767—Responders; Transponders

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar Systems Or Details Thereof (AREA)
GB7930362A 1979-08-31 1979-08-31 Automatic frequency control circuits Expired GB2059696B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB7930362A GB2059696B (en) 1979-08-31 1979-08-31 Automatic frequency control circuits

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7930362A GB2059696B (en) 1979-08-31 1979-08-31 Automatic frequency control circuits

Publications (2)

Publication Number Publication Date
GB2059696A GB2059696A (en) 1981-04-23
GB2059696B true GB2059696B (en) 1984-04-26

Family

ID=10507555

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7930362A Expired GB2059696B (en) 1979-08-31 1979-08-31 Automatic frequency control circuits

Country Status (1)

Country Link
GB (1) GB2059696B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2320628B (en) * 1996-12-18 2001-05-23 Nec Technologies Hybrid reference frequency correction system

Also Published As

Publication number Publication date
GB2059696A (en) 1981-04-23

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
746 Register noted 'licences of right' (sect. 46/1977)
PCNP Patent ceased through non-payment of renewal fee