IT1228419B - PROCEDURE AND CIRCUIT TO ADJUST THE FREQUENCY OF SIGNALS - Google Patents

PROCEDURE AND CIRCUIT TO ADJUST THE FREQUENCY OF SIGNALS

Info

Publication number
IT1228419B
IT1228419B IT8721312A IT2131287A IT1228419B IT 1228419 B IT1228419 B IT 1228419B IT 8721312 A IT8721312 A IT 8721312A IT 2131287 A IT2131287 A IT 2131287A IT 1228419 B IT1228419 B IT 1228419B
Authority
IT
Italy
Prior art keywords
procedure
adjust
signals
frequency
circuit
Prior art date
Application number
IT8721312A
Other languages
Italian (it)
Other versions
IT8721312A0 (en
Inventor
Rainer Berthold
Original Assignee
Bbc Brown Boveri & Cie
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 & Cie filed Critical Bbc Brown Boveri & Cie
Publication of IT8721312A0 publication Critical patent/IT8721312A0/en
Application granted granted Critical
Publication of IT1228419B publication Critical patent/IT1228419B/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42C—AMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
    • F42C13/00—Proximity fuzes; Fuzes for remote detonation
    • F42C13/04—Proximity fuzes; Fuzes for remote detonation operated by radio waves
    • 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
    • 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
    • H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
    • H03L7/18—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop
    • H03L7/183—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop a time difference being used for locking the loop, the counter counting between fixed numbers or the frequency divider dividing by a fixed number
    • H03L7/185—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop a time difference being used for locking the loop, the counter counting between fixed numbers or the frequency divider dividing by a fixed number using a mixer in the loop

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Circuits Of Receivers In General (AREA)
IT8721312A 1986-08-01 1987-07-16 PROCEDURE AND CIRCUIT TO ADJUST THE FREQUENCY OF SIGNALS IT1228419B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3626023 1986-08-01

Publications (2)

Publication Number Publication Date
IT8721312A0 IT8721312A0 (en) 1987-07-16
IT1228419B true IT1228419B (en) 1991-06-17

Family

ID=6306459

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8721312A IT1228419B (en) 1986-08-01 1987-07-16 PROCEDURE AND CIRCUIT TO ADJUST THE FREQUENCY OF SIGNALS

Country Status (5)

Country Link
FR (1) FR2642241A1 (en)
GB (1) GB2229608A (en)
IT (1) IT1228419B (en)
NL (1) NL8701483A (en)
SE (1) SE8702901D0 (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB990138A (en) * 1960-05-13 1965-04-28 Henry Parks Hutchinson Improvements in or relating to communications systems
US3430237A (en) * 1967-11-24 1969-02-25 Nasa Time division multiplex system
GB1390084A (en) * 1972-07-01 1975-04-09 Marconi Co Ltd Signal transmission systems
GB1583342A (en) * 1976-07-30 1981-01-28 Marconi Co Ltd Satellite communication systems
US4229741A (en) * 1979-03-12 1980-10-21 Motorola, Inc. Two-way communications system and method of synchronizing

Also Published As

Publication number Publication date
SE8702901D0 (en) 1987-07-17
NL8701483A (en) 1990-03-01
IT8721312A0 (en) 1987-07-16
FR2642241A1 (en) 1990-07-27
GB8715877D0 (en) 1990-05-16
GB2229608A (en) 1990-09-26

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