CA1032620A - Multichannel generator - Google Patents

Multichannel generator

Info

Publication number
CA1032620A
CA1032620A CA224,633A CA224633A CA1032620A CA 1032620 A CA1032620 A CA 1032620A CA 224633 A CA224633 A CA 224633A CA 1032620 A CA1032620 A CA 1032620A
Authority
CA
Canada
Prior art keywords
multichannel generator
multichannel
generator
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
CA224,633A
Other languages
English (en)
French (fr)
Inventor
Johannes Noordanus
Marie M. A. A. G. Verstraelen
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of CA1032620A publication Critical patent/CA1032620A/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
    • 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
CA224,633A 1974-04-22 1975-04-15 Multichannel generator Expired CA1032620A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7405404.A NL163396C (nl) 1974-04-22 1974-04-22 Meerkanaalgenerator.

Publications (1)

Publication Number Publication Date
CA1032620A true CA1032620A (en) 1978-06-06

Family

ID=19821199

Family Applications (1)

Application Number Title Priority Date Filing Date
CA224,633A Expired CA1032620A (en) 1974-04-22 1975-04-15 Multichannel generator

Country Status (12)

Country Link
US (1) US3956703A (nl)
JP (1) JPS5317851B2 (nl)
AU (1) AU497169B2 (nl)
BE (1) BE828231A (nl)
CA (1) CA1032620A (nl)
CH (1) CH585485A5 (nl)
DE (1) DE2515969C3 (nl)
FR (1) FR2268391B1 (nl)
GB (1) GB1502988A (nl)
IT (1) IT1037441B (nl)
NL (1) NL163396C (nl)
SE (1) SE398583B (nl)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2741351C2 (de) * 1977-09-14 1983-12-08 Wandel & Goltermann Gmbh & Co, 7412 Eningen Digital einstellbarer Frequenzerzeuger mit mehreren Oszillatoren
FR2412981A1 (fr) * 1977-12-23 1979-07-20 Adret Electronique Synthetiseur de frequence a boucles multiples d'asservissement de phase, agence de facon a eviter toute discontinuite de frequence ou d'amplitude dans une large gamme de variation de frequence
DE2910727C2 (de) * 1979-03-19 1983-11-03 Siemens AG, 1000 Berlin und 8000 München Schaltungsanordnung zur Modulation der Phase einer Trägerschwingung
WO1981001931A1 (en) * 1979-12-22 1981-07-09 Debeg Gmbh Radio-receiver and/or radio-transmitter station
DE3046486C2 (de) * 1980-12-10 1984-03-22 Wandel & Goltermann Gmbh & Co, 7412 Eningen Verfahren zum Vermindern des Rauschens eines digital einstellbaren Frequenzerzeugers und danach arbeitender Frequenzerzeuger
DE3231564A1 (de) * 1982-08-25 1984-03-01 Siemens AG, 1000 Berlin und 8000 München Funksystem
US4494073A (en) * 1982-09-27 1985-01-15 Cubic Corporation Frequency generator using composite digitally controlled oscillators
US4785260A (en) * 1986-03-18 1988-11-15 International Mobile Machines Corporation Frequency synthesizer for broadcast telephone system having multiple assignable frequency channels
DE3772177D1 (de) * 1986-12-18 1991-09-19 Siemens Ag Albis Frequenzsynthetisierer.
US4940950A (en) * 1988-08-12 1990-07-10 Tel-Instrument Electronics Corporation Frequency synthesis method and apparatus using approximation to provide closely spaced discrete frequencies over a wide range with rapid acquisition
US4912432A (en) * 1989-04-17 1990-03-27 Raytheon Company Plural feedback loop digital frequency synthesizer
DE4139342A1 (de) * 1991-11-29 1993-06-03 Sel Alcatel Ag Frequenzsynthetisierer
US5267182A (en) * 1991-12-31 1993-11-30 Wilke William G Diophantine synthesizer
EP0595377A1 (en) * 1992-10-29 1994-05-04 MIZAR S.p.A. Frequency synthesis system for generating microwave oscillations
GB2320629B (en) * 1996-12-23 2001-04-25 Nokia Mobile Phones Ltd A radio transmitter and phase locked loop therefor
GB2340679B (en) * 1998-08-17 2001-11-28 Ericsson Telefon Ab L M Frequency synthesis
GB2354383A (en) * 1999-09-17 2001-03-21 Sony Uk Ltd Dual loop phase-locked loop
KR100382590B1 (ko) * 2001-06-14 2003-05-09 (주)유피텍 다중 신호 발생장치
US8378751B2 (en) * 2009-02-13 2013-02-19 Qualcomm Incorporated Frequency synthesizer with multiple tuning loops

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3331035A (en) * 1965-08-23 1967-07-11 Sanders Associates Inc Frequency synthesizer
US3588732A (en) * 1969-01-16 1971-06-28 Collins Radio Co Frequency synthesizer
GB1372188A (en) * 1970-10-02 1974-10-30 Racal Instruments Ltd Frequency synthesizers
US3701027A (en) * 1971-04-15 1972-10-24 Bunker Ramo Digital frequency synthesizer
US3665323A (en) * 1971-05-10 1972-05-23 Collins Radio Co Proportional digital control for radio frequency synthesizers
FR2142134A5 (nl) * 1971-06-14 1973-01-26 Dassault Electronique

Also Published As

Publication number Publication date
AU497169B2 (en) 1978-12-07
FR2268391A1 (nl) 1975-11-14
DE2515969B2 (de) 1977-04-28
IT1037441B (it) 1979-11-10
SE7504477L (sv) 1975-10-23
JPS50147261A (nl) 1975-11-26
CH585485A5 (nl) 1977-02-28
NL7405404A (nl) 1975-10-24
GB1502988A (en) 1978-03-08
SE398583B (sv) 1977-12-27
JPS5317851B2 (nl) 1978-06-12
NL163396C (nl) 1980-08-15
NL163396B (nl) 1980-03-17
US3956703A (en) 1976-05-11
BE828231A (fr) 1975-10-22
DE2515969C3 (de) 1981-07-02
AU8033575A (en) 1976-10-28
FR2268391B1 (nl) 1980-08-29
DE2515969A1 (de) 1975-10-23

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