GB1453945A - Frequency tracking receivers - Google Patents

Frequency tracking receivers

Info

Publication number
GB1453945A
GB1453945A GB5960573A GB5960573A GB1453945A GB 1453945 A GB1453945 A GB 1453945A GB 5960573 A GB5960573 A GB 5960573A GB 5960573 A GB5960573 A GB 5960573A GB 1453945 A GB1453945 A GB 1453945A
Authority
GB
United Kingdom
Prior art keywords
filter
output
stage
frequency
dec
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
GB5960573A
Other languages
English (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.)
BBC BROWN BOVERI and CIE
BBC Brown Boveri AG Switzerland
Original Assignee
BBC BROWN BOVERI and CIE
BBC Brown Boveri AG Switzerland
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 BBC BROWN BOVERI and CIE, BBC Brown Boveri AG Switzerland filed Critical BBC BROWN BOVERI and CIE
Publication of GB1453945A publication Critical patent/GB1453945A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
    • H03J7/02—Automatic frequency control
    • H03J7/04—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant
    • 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
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
    • G01S17/50—Systems of measurement based on relative movement of target

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Control Of Position, Course, Altitude, Or Attitude Of Moving Bodies (AREA)
  • Circuits Of Receivers In General (AREA)
GB5960573A 1972-12-27 1973-12-21 Frequency tracking receivers Expired GB1453945A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1885872A CH553514A (de) 1972-12-27 1972-12-27 Nachlaufempfaenger.

Publications (1)

Publication Number Publication Date
GB1453945A true GB1453945A (en) 1976-10-27

Family

ID=4435716

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5960573A Expired GB1453945A (en) 1972-12-27 1973-12-21 Frequency tracking receivers

Country Status (8)

Country Link
JP (1) JPS4998662A (enExample)
AT (1) AT344789B (enExample)
CH (1) CH553514A (enExample)
DE (1) DE2302126A1 (enExample)
FR (1) FR2212713B3 (enExample)
GB (1) GB1453945A (enExample)
NL (1) NL7317434A (enExample)
SE (1) SE391093B (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0883951A4 (en) * 1995-08-17 2001-12-19 Rockwell Internat RECEIVER WITH CORRECTION OF FILTER OFFSET

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0883951A4 (en) * 1995-08-17 2001-12-19 Rockwell Internat RECEIVER WITH CORRECTION OF FILTER OFFSET

Also Published As

Publication number Publication date
SE391093B (sv) 1977-01-31
ATA885773A (de) 1977-12-15
FR2212713A1 (enExample) 1974-07-26
NL7317434A (enExample) 1974-07-01
JPS4998662A (enExample) 1974-09-18
CH553514A (de) 1974-08-30
FR2212713B3 (enExample) 1976-10-15
DE2302126A1 (de) 1974-07-11
AT344789B (de) 1978-08-10

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Legal Events

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