GB2048499B - Device for displaying a signal at a selected frequency in a band - Google Patents

Device for displaying a signal at a selected frequency in a band

Info

Publication number
GB2048499B
GB2048499B GB8011391A GB8011391A GB2048499B GB 2048499 B GB2048499 B GB 2048499B GB 8011391 A GB8011391 A GB 8011391A GB 8011391 A GB8011391 A GB 8011391A GB 2048499 B GB2048499 B GB 2048499B
Authority
GB
United Kingdom
Prior art keywords
displaying
band
signal
selected frequency
frequency
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
GB8011391A
Other languages
English (en)
Other versions
GB2048499A (en
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.)
Rohde and Schwarz GmbH and Co KG
Original Assignee
Rohde and Schwarz GmbH and Co KG
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 Rohde and Schwarz GmbH and Co KG filed Critical Rohde and Schwarz GmbH and Co KG
Publication of GB2048499A publication Critical patent/GB2048499A/en
Application granted granted Critical
Publication of GB2048499B publication Critical patent/GB2048499B/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
    • H03B23/00—Generation of oscillations periodically swept over a predetermined frequency range
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
    • 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
    • H03B2200/00—Indexing scheme relating to details of oscillators covered by H03B
    • H03B2200/006—Functional aspects of oscillators
    • H03B2200/0092—Measures to linearise or reduce distortion of oscillator characteristics
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
GB8011391A 1979-04-07 1980-04-03 Device for displaying a signal at a selected frequency in a band Expired GB2048499B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2914143A DE2914143C2 (de) 1979-04-07 1979-04-07 Gerät zum Untersuchen eines nach der Frequenz ausgewählten einzelnen Hochfrequenzsignales eines breiten Frequenzbandes

Publications (2)

Publication Number Publication Date
GB2048499A GB2048499A (en) 1980-12-10
GB2048499B true GB2048499B (en) 1983-02-23

Family

ID=6067766

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8011391A Expired GB2048499B (en) 1979-04-07 1980-04-03 Device for displaying a signal at a selected frequency in a band

Country Status (4)

Country Link
US (1) US4325023A (enExample)
DE (1) DE2914143C2 (enExample)
FR (1) FR2453415A1 (enExample)
GB (1) GB2048499B (enExample)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3037649C2 (de) * 1980-10-04 1988-05-05 Rohde & Schwarz GmbH & Co KG, 8000 München Gerät zum Darstellen eines breiten Eingangs-Frequenzbandes auf dem Bildschirm einer Anzeigeeinrichtung mit einem spannungsgesteuerten Oszillator
JPS5764171A (en) * 1980-10-08 1982-04-19 Advantest Corp Spectrum analyzer
FR2508649A1 (fr) * 1981-06-30 1982-12-31 Ecole Superieure Electricite Procede et dispositif pour la caracterisation de systemes par analyse spectrale
DE3220462C1 (de) * 1982-05-29 1983-12-22 Rohde & Schwarz GmbH & Co KG, 8000 München Spektrumanalysator
FR2535545B1 (fr) * 1982-10-29 1989-08-04 Thomson Csf Synthetiseur a temps d'acquisition rapide de frequence et systeme de transmission radioelectrique a saut de frequence comportant un tel synthetiseur
US4649496A (en) * 1984-02-16 1987-03-10 Hewlett-Packard Company Spectrum analyzer with improved data analysis and display features
JPS61174674U (enExample) * 1985-04-22 1986-10-30
US4654886A (en) * 1985-04-25 1987-03-31 Ifr, Inc. Local oscillator null circuit and method
FR2595162B1 (fr) * 1986-02-28 1988-05-06 Labo Electronique Physique Dispositif d'enregistrement et de restitution de signaux electriques muni d'un predeclenchement, comprenant un dispositif a transfert de charges et oscilloscope utilisant un tel dispositif
US5086512A (en) * 1988-04-20 1992-02-04 Hewlett-Packard Company Compensation system for dynamically tracking and nulling local oscillator feedthrough
JPH08292218A (ja) * 1995-04-21 1996-11-05 Advantest Corp スペクトラムアナライザの測定方法
US6823031B1 (en) * 2000-01-20 2004-11-23 Wavtrace, Inc. Automated frequency compensation for remote synchronization
RU2216683C1 (ru) * 2002-12-30 2003-11-20 Общество С Ограниченной Ответственностью "Лукойл-Калининградморнефть" Устройство для хранения сжиженного газа (варианты)
RU2395817C1 (ru) * 2008-11-17 2010-07-27 Министерство обороны Российской Федерации Государственное образовательное учреждение высшего профессионального образования ВОЕННАЯ АКАДЕМИЯ СВЯЗИ имени С.М. Буденного Способ идентификации многопараметрических объектов

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3643126A (en) * 1970-03-04 1972-02-15 Hewlett Packard Co Frequency-measuring system utilizing means for momentarily stopping the variable frequency generator
US3978403A (en) * 1974-05-06 1976-08-31 Minnesota Mining And Manufacturing Company Automatic tracking signal analyzer
US3992666A (en) * 1975-01-27 1976-11-16 The United States Of America As Represented By The Secretary Of The Navy Technique for detecting energy and determining the frequency of constituent energy components
US4118666A (en) * 1977-03-04 1978-10-03 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Automatic communication signal monitoring system
DE2720896C2 (de) * 1977-05-10 1983-09-15 Rohde & Schwarz GmbH & Co KG, 8000 München Schaltung zum Regeln der Ausgangsfrequenz eines Wobbeloszillators
US4238727A (en) * 1978-12-22 1980-12-09 Systron-Donner Corporation Digitally programmable apparatus for generating a substantially linear ramp signal

Also Published As

Publication number Publication date
DE2914143C2 (de) 1981-10-01
FR2453415A1 (fr) 1980-10-31
US4325023A (en) 1982-04-13
FR2453415B1 (enExample) 1983-09-02
GB2048499A (en) 1980-12-10
DE2914143A1 (de) 1980-10-09

Similar Documents

Publication Publication Date Title
JPS55146543A (en) Signal collection device
JPS561184A (en) Displaying device
DE3064535D1 (en) Display device
GB2048499B (en) Device for displaying a signal at a selected frequency in a band
JPS54147078A (en) Device for measuring frequency
ZA801484B (en) A display device
GB2053548B (en) Display device
GB2062911B (en) Display device
GB2056150B (en) Display device
JPS53117818A (en) Signal changing device
JPS564185A (en) Display device
JPS5664377A (en) Display device
JPS5665176A (en) Display device
JPS55164884A (en) Analog signal display device
GB2059603B (en) Signal spectrum display apparatus
JPS5459178A (en) Device for measuring frequency
DE3061259D1 (en) Display device
IL60192A (en) Time signal synchronization device
JPS55156720A (en) Changeover device
JPS564186A (en) Guitarrcode display device
JPS564181A (en) Display device
JPS5390709A (en) Device for shifting frequency
JPS5691291A (en) Operation display device
JPS565589A (en) Display device
JPS5346662A (en) Frequency indicating device

Legal Events

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

Effective date: 19970403