FR1235766A - Installation for selective measurement of frequency levels - Google Patents

Installation for selective measurement of frequency levels

Info

Publication number
FR1235766A
FR1235766A FR803347A FR803347A FR1235766A FR 1235766 A FR1235766 A FR 1235766A FR 803347 A FR803347 A FR 803347A FR 803347 A FR803347 A FR 803347A FR 1235766 A FR1235766 A FR 1235766A
Authority
FR
France
Prior art keywords
installation
frequency levels
selective measurement
selective
measurement
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
FR803347A
Other languages
French (fr)
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.)
Siemens and Halske AG
Siemens AG
Original Assignee
Siemens and Halske AG
Siemens AG
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 Siemens and Halske AG, Siemens AG filed Critical Siemens and Halske AG
Application granted granted Critical
Publication of FR1235766A publication Critical patent/FR1235766A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/46—Monitoring; Testing
    • H04B3/48—Testing attenuation
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R21/00—Arrangements for measuring electric power or power factor
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/28—Measuring attenuation, gain, phase shift or derived characteristics of electric four pole networks, i.e. two-port networks; Measuring transient response
    • G01R27/32—Measuring attenuation, gain, phase shift or derived characteristics of electric four pole networks, i.e. two-port networks; Measuring transient response in circuits having distributed constants, e.g. having very long conductors or involving high frequencies
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Superheterodyne Receivers (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
FR803347A 1958-08-22 1959-08-22 Installation for selective measurement of frequency levels Expired FR1235766A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DES59519A DE1076265B (en) 1958-08-22 1958-08-22 Arrangement for selective level measurement

Publications (1)

Publication Number Publication Date
FR1235766A true FR1235766A (en) 1960-07-08

Family

ID=7493370

Family Applications (1)

Application Number Title Priority Date Filing Date
FR803347A Expired FR1235766A (en) 1958-08-22 1959-08-22 Installation for selective measurement of frequency levels

Country Status (5)

Country Link
CH (1) CH374760A (en)
DE (1) DE1076265B (en)
FR (1) FR1235766A (en)
GB (1) GB897588A (en)
NL (1) NL134177C (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1274201B (en) * 1966-02-16 1968-08-01 Wandel & Goltermann Quartz frequency decade switchable in chain

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1015922B (en) * 1954-04-14 1957-09-19 Rohde & Schwarz Device for frequency measurement of high frequency electromagnetic oscillations

Also Published As

Publication number Publication date
CH374760A (en) 1964-01-31
GB897588A (en) 1962-05-30
DE1076265B (en) 1960-02-25
NL134177C (en) 1972-05-15
NL242511A (en) 1964-01-27

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