IT7827615A0 - DEVICE IN A RADAR SYSTEM FOR LOCKING A LOCAL OSCILLATOR TO A PREFIXED FREQUENCY BAND. - Google Patents

DEVICE IN A RADAR SYSTEM FOR LOCKING A LOCAL OSCILLATOR TO A PREFIXED FREQUENCY BAND.

Info

Publication number
IT7827615A0
IT7827615A0 IT7827615A IT2761578A IT7827615A0 IT 7827615 A0 IT7827615 A0 IT 7827615A0 IT 7827615 A IT7827615 A IT 7827615A IT 2761578 A IT2761578 A IT 2761578A IT 7827615 A0 IT7827615 A0 IT 7827615A0
Authority
IT
Italy
Prior art keywords
locking
frequency band
local oscillator
radar system
prefixed frequency
Prior art date
Application number
IT7827615A
Other languages
Italian (it)
Other versions
IT1098640B (en
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of IT7827615A0 publication Critical patent/IT7827615A0/en
Application granted granted Critical
Publication of IT1098640B publication Critical patent/IT1098640B/en

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
    • H03L7/08—Details of the phase-locked loop
    • H03L7/10—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range
    • H03L7/12—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range using a scanning signal
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
IT27615/78A 1977-09-13 1978-09-13 DEVICE IN A RADAR SYSTEM TO BLOCK A LOCAL OSCILLATOR AT A PREFIXED FREQUENCY MABDA IT1098640B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7710219A SE410660B (en) 1977-09-13 1977-09-13 DEVICE IN A RADAR SYSTEM FOR LOADING A CONTROLLABLE LOCAL SCILLATOR FOR A RELEASED FREQUENCY BAND

Publications (2)

Publication Number Publication Date
IT7827615A0 true IT7827615A0 (en) 1978-09-13
IT1098640B IT1098640B (en) 1985-09-07

Family

ID=20332241

Family Applications (1)

Application Number Title Priority Date Filing Date
IT27615/78A IT1098640B (en) 1977-09-13 1978-09-13 DEVICE IN A RADAR SYSTEM TO BLOCK A LOCAL OSCILLATOR AT A PREFIXED FREQUENCY MABDA

Country Status (7)

Country Link
CH (1) CH632849A5 (en)
DE (1) DE2838254A1 (en)
FR (1) FR2402879A1 (en)
GB (1) GB2004427B (en)
IT (1) IT1098640B (en)
NL (1) NL189434C (en)
SE (1) SE410660B (en)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB973800A (en) * 1955-10-21 1964-10-28 Sperry Rand Corp Automatic frequency control systems
FR1288134A (en) * 1961-02-01 1962-03-24 Cie Ind Des Telephones Electronically controlled frequency scanning synthesizer
US3142022A (en) * 1961-06-07 1964-07-21 Gen Precision Inc Automatic frequency control and sweep circuit
FR1483745A (en) * 1965-12-08 1967-06-09 Cit Alcatel Universal frequency synthesizer
FR1494257A (en) * 1966-07-26 1967-09-08 Cit Alcatel Preset frequency synthesizer
CH474909A (en) * 1968-03-22 1969-06-30 Siemens Ag Albis Circuit arrangement for the automatic regulation of the frequency of an oscillator with respect to a reference frequency
CH474910A (en) * 1968-05-07 1969-06-30 Siemens Ag Albis Circuit arrangement for the automatic regulation of the frequency of an oscillator with respect to a reference frequency

Also Published As

Publication number Publication date
FR2402879A1 (en) 1979-04-06
SE7710219L (en) 1979-03-14
NL7808929A (en) 1979-03-15
IT1098640B (en) 1985-09-07
NL189434C (en) 1993-04-01
FR2402879B1 (en) 1983-10-28
NL189434B (en) 1992-11-02
SE410660B (en) 1979-10-22
CH632849A5 (en) 1982-10-29
GB2004427B (en) 1982-01-13
GB2004427A (en) 1979-03-28
DE2838254A1 (en) 1979-04-12
DE2838254C2 (en) 1988-11-24

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970918