DE69021074D1 - Phasenregelschleife zur herstellung eines referenzträgers für einen kohärenten detektor. - Google Patents

Phasenregelschleife zur herstellung eines referenzträgers für einen kohärenten detektor.

Info

Publication number
DE69021074D1
DE69021074D1 DE69021074T DE69021074T DE69021074D1 DE 69021074 D1 DE69021074 D1 DE 69021074D1 DE 69021074 T DE69021074 T DE 69021074T DE 69021074 T DE69021074 T DE 69021074T DE 69021074 D1 DE69021074 D1 DE 69021074D1
Authority
DE
Germany
Prior art keywords
production
control loop
phase control
reference carrier
coherent detector
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 - Fee Related
Application number
DE69021074T
Other languages
English (en)
Other versions
DE69021074T2 (de
Inventor
Jarmo Maekinen
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.)
Nokia Oyj
Original Assignee
Nokia Telecommunications Oy
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 Nokia Telecommunications Oy filed Critical Nokia Telecommunications Oy
Publication of DE69021074D1 publication Critical patent/DE69021074D1/de
Application granted granted Critical
Publication of DE69021074T2 publication Critical patent/DE69021074T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/02—Details
    • H03C3/09—Modifications of modulator for regulating the mean frequency
    • H03C3/0908—Modifications of modulator for regulating the mean frequency using a phase locked loop
    • H03C3/0966—Modifications of modulator for regulating the mean frequency using a phase locked loop modulating the reference clock
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/02—Details
    • H03C3/09—Modifications of modulator for regulating the mean frequency
    • H03C3/0908—Modifications of modulator for regulating the mean frequency using a phase locked loop
    • H03C3/0941—Modifications of modulator for regulating the mean frequency using a phase locked loop applying frequency modulation at more than one point in the loop
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/02—Details
    • H03C3/09—Modifications of modulator for regulating the mean frequency
    • H03C3/0908—Modifications of modulator for regulating the mean frequency using a phase locked loop
    • H03C3/095—Modifications of modulator for regulating the mean frequency using a phase locked loop applying frequency modulation to the loop in front of the voltage controlled oscillator
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D1/00—Demodulation of amplitude-modulated oscillations
    • H03D1/22—Homodyne or synchrodyne circuits
    • H03D1/2281—Homodyne or synchrodyne circuits using a phase locked loop
    • 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
    • H03L7/085—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal
    • H03L7/087—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal using at least two phase detectors or a frequency and phase detector in the loop
    • 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
    • H03L7/22—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using more than one loop
    • H03L7/23—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using more than one loop with pulse counters or frequency dividers
    • H03L7/235—Nested phase locked loops

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
DE69021074T 1989-10-25 1990-10-19 Phasenregelschleife zur herstellung eines referenzträgers für einen kohärenten detektor. Expired - Fee Related DE69021074T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI895068A FI895068A0 (fi) 1989-10-25 1989-10-25 Frekvenssyntetisator.
PCT/FI1990/000248 WO1991007016A1 (en) 1989-10-25 1990-10-19 A phase locked loop for producing a reference carrier for a coherent detector

Publications (2)

Publication Number Publication Date
DE69021074D1 true DE69021074D1 (de) 1995-08-24
DE69021074T2 DE69021074T2 (de) 1996-03-07

Family

ID=8529219

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69021074T Expired - Fee Related DE69021074T2 (de) 1989-10-25 1990-10-19 Phasenregelschleife zur herstellung eines referenzträgers für einen kohärenten detektor.

Country Status (5)

Country Link
EP (1) EP0497801B1 (de)
JP (1) JP2971134B2 (de)
DE (1) DE69021074T2 (de)
FI (1) FI895068A0 (de)
WO (1) WO1991007016A1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4125995A1 (de) * 1991-06-08 1992-12-10 Licentia Gmbh Empfaengeranordnung
US5329250A (en) * 1992-02-25 1994-07-12 Sanyo Electric Co., Ltd. Double phase locked loop circuit
US5737694A (en) * 1995-11-30 1998-04-07 Scientific-Atlanta, Inc. Highly stable frequency synthesizer loop with feedforward
FI105425B (fi) * 1998-07-31 2000-08-15 Nokia Networks Oy Kellotaajuuksien generointi
DE10205044A1 (de) * 2002-02-07 2003-08-21 Philips Intellectual Property Digitaler Phase Locked Loop
US7675369B2 (en) 2006-06-12 2010-03-09 Honeywell International Inc. Frequency hopping oscillator circuit

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4074209A (en) * 1976-12-13 1978-02-14 Rca Corporation Wide range frequency modulation of narrow loop bandwidth phase-locked oscillators
US4321706A (en) * 1980-07-14 1982-03-23 John Fluke Mfg. Co., Inc. Frequency modulated phase-locked loop signal source
US4785260A (en) * 1986-03-18 1988-11-15 International Mobile Machines Corporation Frequency synthesizer for broadcast telephone system having multiple assignable frequency channels

Also Published As

Publication number Publication date
FI895068A0 (fi) 1989-10-25
EP0497801B1 (de) 1995-07-19
WO1991007016A1 (en) 1991-05-16
JPH05503613A (ja) 1993-06-10
JP2971134B2 (ja) 1999-11-02
EP0497801A1 (de) 1992-08-12
DE69021074T2 (de) 1996-03-07

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee