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GB2249637B - High frequency measuring circuit - Google Patents

High frequency measuring circuit

Info

Publication number
GB2249637B
GB2249637B GB9018272A GB9018272A GB2249637B GB 2249637 B GB2249637 B GB 2249637B GB 9018272 A GB9018272 A GB 9018272A GB 9018272 A GB9018272 A GB 9018272A GB 2249637 B GB2249637 B GB 2249637B
Authority
GB
United Kingdom
Prior art keywords
high frequency
measuring circuit
frequency measuring
circuit
measuring
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
GB9018272A
Other versions
GB2249637A (en
GB9018272D0 (en
Inventor
Richard George Vivian Doble
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.)
Individual
Original Assignee
Individual
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
Priority claimed from GB909000479A external-priority patent/GB9000479D0/en
Priority claimed from GB9004025A external-priority patent/GB2239712A/en
Application filed by Individual filed Critical Individual
Priority to GB9303772A priority Critical patent/GB2263784B/en
Publication of GB9018272D0 publication Critical patent/GB9018272D0/en
Priority to US07/637,214 priority patent/US5189362A/en
Priority to DE4100318A priority patent/DE4100318A1/en
Publication of GB2249637A publication Critical patent/GB2249637A/en
Application granted granted Critical
Publication of GB2249637B publication Critical patent/GB2249637B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R17/00—Measuring arrangements involving comparison with a reference value, e.g. bridge
    • G01R17/10—AC or DC measuring bridges
    • G01R17/16—AC or DC measuring bridges with discharge tubes or semiconductor devices in one or more arms of the bridge, e.g. voltmeter using a difference amplifier
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/02—Measuring effective values, i.e. root-mean-square values
    • G01R19/03—Measuring effective values, i.e. root-mean-square values using thermoconverters

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
GB9018272A 1990-01-09 1990-08-20 High frequency measuring circuit Expired - Fee Related GB2249637B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB9303772A GB2263784B (en) 1990-01-09 1990-08-20 High frequency measuring circuit
US07/637,214 US5189362A (en) 1990-01-09 1991-01-03 High frequency signal measurement circuits utilizing temperature-sensitive devices
DE4100318A DE4100318A1 (en) 1990-01-09 1991-01-08 METHOD AND CIRCUIT FOR HIGH-FREQUENCY VOLTAGE / CURRENT MEASUREMENT

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB909000479A GB9000479D0 (en) 1990-01-09 1990-01-09 High frequency measuring circuit
GB909001223A GB9001223D0 (en) 1990-01-09 1990-01-19 High frequency measuring circuit
GB9004025A GB2239712A (en) 1990-01-09 1990-02-22 High frequency voltage/current-measuring circuit

Publications (3)

Publication Number Publication Date
GB9018272D0 GB9018272D0 (en) 1990-10-03
GB2249637A GB2249637A (en) 1992-05-13
GB2249637B true GB2249637B (en) 1994-02-16

Family

ID=27264882

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9018272A Expired - Fee Related GB2249637B (en) 1990-01-09 1990-08-20 High frequency measuring circuit

Country Status (1)

Country Link
GB (1) GB2249637B (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB558299A (en) * 1942-06-26 1943-12-30 Standard Telephones Cables Ltd Improvements in or relating to electrical temperature indicators
GB1429929A (en) * 1972-06-21 1976-03-31 Solartron Electronic Group Device for measuring the rms value of an electrical signal

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB558299A (en) * 1942-06-26 1943-12-30 Standard Telephones Cables Ltd Improvements in or relating to electrical temperature indicators
GB1429929A (en) * 1972-06-21 1976-03-31 Solartron Electronic Group Device for measuring the rms value of an electrical signal

Also Published As

Publication number Publication date
GB2249637A (en) 1992-05-13
GB9018272D0 (en) 1990-10-03

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Legal Events

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

Effective date: 19940820