GB2128048B - Frequency synthesizer with a low-noise low-frequency output - Google Patents

Frequency synthesizer with a low-noise low-frequency output

Info

Publication number
GB2128048B
GB2128048B GB08228101A GB8228101A GB2128048B GB 2128048 B GB2128048 B GB 2128048B GB 08228101 A GB08228101 A GB 08228101A GB 8228101 A GB8228101 A GB 8228101A GB 2128048 B GB2128048 B GB 2128048B
Authority
GB
United Kingdom
Prior art keywords
low
frequency
noise
synthesizer
output
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
GB08228101A
Other versions
GB2128048A (en
Inventor
Peter Patrick Raymond Connell
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.)
Racal Dana Instruments Ltd
Original Assignee
Racal Dana Instruments Ltd
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 Racal Dana Instruments Ltd filed Critical Racal Dana Instruments Ltd
Priority to GB08228101A priority Critical patent/GB2128048B/en
Priority to DE19833335030 priority patent/DE3335030A1/en
Priority to IT1983A09525A priority patent/IT8309525A1/en
Priority to FR838315669A priority patent/FR2534095B1/en
Priority to IT09525/83A priority patent/IT1198691B/en
Publication of GB2128048A publication Critical patent/GB2128048A/en
Application granted granted Critical
Publication of GB2128048B publication Critical patent/GB2128048B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B21/00—Generation of oscillations by combining unmodulated signals of different frequencies
    • H03B21/01—Generation of oscillations by combining unmodulated signals of different frequencies by beating unmodulated signals of different frequencies
    • H03B21/02—Generation of oscillations by combining unmodulated signals of different frequencies by beating unmodulated signals of different frequencies by plural beating, i.e. for frequency synthesis ; Beating in combination with multiplication or division of frequency
GB08228101A 1982-10-01 1982-10-01 Frequency synthesizer with a low-noise low-frequency output Expired GB2128048B (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
GB08228101A GB2128048B (en) 1982-10-01 1982-10-01 Frequency synthesizer with a low-noise low-frequency output
DE19833335030 DE3335030A1 (en) 1982-10-01 1983-09-28 CIRCUIT ARRANGEMENT FOR GENERATING AN OUTPUT SIGNAL VARIABLE FREQUENCY
IT1983A09525A IT8309525A1 (en) 1982-10-01 1983-09-30 DEVICE FOR GENERATING ELECTRIC FREQUENCIES, IN PARTICULAR FOR THE REDUCTION OF NOISE
FR838315669A FR2534095B1 (en) 1982-10-01 1983-09-30 ELECTRICAL FREQUENCY SYNTHESIZER CIRCUIT
IT09525/83A IT1198691B (en) 1982-10-01 1983-09-30 DEVICE FOR GENERATING ELECTRIC FREQUENCIES, IN PARTICULAR SUITABLE FOR REDUCING NOISE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08228101A GB2128048B (en) 1982-10-01 1982-10-01 Frequency synthesizer with a low-noise low-frequency output

Publications (2)

Publication Number Publication Date
GB2128048A GB2128048A (en) 1984-04-18
GB2128048B true GB2128048B (en) 1986-03-26

Family

ID=10533310

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08228101A Expired GB2128048B (en) 1982-10-01 1982-10-01 Frequency synthesizer with a low-noise low-frequency output

Country Status (4)

Country Link
DE (1) DE3335030A1 (en)
FR (1) FR2534095B1 (en)
GB (1) GB2128048B (en)
IT (2) IT1198691B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6160515U (en) * 1984-08-22 1986-04-23
DE3529078A1 (en) * 1985-08-14 1987-02-19 Lindenmeier Heinz Transmitter amplifier with selective noise feedback
GB2209442A (en) * 1987-09-04 1989-05-10 Marconi Instruments Ltd Frequency synthesizer
GB2345812B (en) * 1995-11-24 2000-09-06 Ifr Limited Signal generator
DE19811550C2 (en) * 1998-03-18 2002-06-27 Bosch Gmbh Robert Method and circuit arrangement for generating frequency signals
DE102004032130B4 (en) * 2004-07-01 2010-12-16 Krohne Messtechnik Gmbh Frequency synthesizer and method for operating a frequency synthesizer

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3235815A (en) * 1962-12-14 1966-02-15 Hazeltine Research Inc Frequency synthesizer digit selector
DE1616327B1 (en) * 1968-01-20 1971-06-09 Schlumberger Overseas Frequency synthesizer
FR2394919A1 (en) * 1977-06-17 1979-01-12 Adret Electronique HIGH SPECTRAL PURITY HIGH FREQUENCY SYNTHESIS DEVICE

Also Published As

Publication number Publication date
GB2128048A (en) 1984-04-18
IT8309525A1 (en) 1985-03-30
FR2534095B1 (en) 1989-06-30
DE3335030A1 (en) 1984-04-05
IT1198691B (en) 1988-12-21
IT8309525A0 (en) 1983-09-30
FR2534095A1 (en) 1984-04-06

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Legal Events

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