CA938344A - Noise-figure measuring circuit - Google Patents

Noise-figure measuring circuit

Info

Publication number
CA938344A
CA938344A CA139903A CA139903A CA938344A CA 938344 A CA938344 A CA 938344A CA 139903 A CA139903 A CA 139903A CA 139903 A CA139903 A CA 139903A CA 938344 A CA938344 A CA 938344A
Authority
CA
Canada
Prior art keywords
noise
measuring circuit
measuring
circuit
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
CA139903A
Other languages
English (en)
Other versions
CA139903S (en
Inventor
Gellekink Bernard
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.)
Thales Nederland BV
Original Assignee
Thales Nederland BV
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 Thales Nederland BV filed Critical Thales Nederland BV
Application granted granted Critical
Publication of CA938344A publication Critical patent/CA938344A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/40—Means for monitoring or calibrating
    • G01S7/4004—Means for monitoring or calibrating of parts of a radar system
    • G01S7/4021—Means for monitoring or calibrating of parts of a radar system of receivers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
    • G01R29/26—Measuring noise figure; Measuring signal-to-noise ratio
CA139903A 1971-04-20 1972-04-18 Noise-figure measuring circuit Expired CA938344A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7105272A NL7105272A (fr) 1971-04-20 1971-04-20

Publications (1)

Publication Number Publication Date
CA938344A true CA938344A (en) 1973-12-11

Family

ID=19812959

Family Applications (1)

Application Number Title Priority Date Filing Date
CA139903A Expired CA938344A (en) 1971-04-20 1972-04-18 Noise-figure measuring circuit

Country Status (10)

Country Link
US (1) US3794999A (fr)
AU (1) AU461857B2 (fr)
BE (1) BE782305A (fr)
CA (1) CA938344A (fr)
CH (1) CH538701A (fr)
DE (1) DE2218415C3 (fr)
FR (1) FR2133904B1 (fr)
GB (1) GB1393789A (fr)
IT (1) IT957631B (fr)
NL (1) NL7105272A (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA999989A (en) * 1972-12-14 1976-11-16 Edgar R. Allen Measurement of noise in a communication channel
US3938150A (en) * 1974-06-25 1976-02-10 The United States Of America As Represented By The Secretary Of The Navy Microwave amplifier tube coherency test set
US3977001A (en) * 1975-05-23 1976-08-24 The United States Of America As Represented By The Secretary Of The Navy Friend-accept decider test simulator
US4083238A (en) * 1976-09-17 1978-04-11 The United States Of America As Repesented By The Secretary Of The Navy System for testing proximity fuzes
DE2755221C2 (de) * 1977-12-10 1985-05-30 Felten & Guilleaume Fernmeldeanlagen GmbH, 8500 Nürnberg Verfahren zur selbsttätigen Überwachung der HF-Empfindlichkeit und des NF-Ausgangspegels eines Funkempfängers und Schaltungsanordnung zur Durchführung des Verfahrens
US4317214A (en) * 1980-07-14 1982-02-23 Attinello John S Apparatus for simulating interference transmissions
EP0064198B1 (fr) * 1981-04-25 1985-12-18 Kabushiki Kaisha Toshiba Appareil pour la mesure du coefficient de bruit et du gain disponible
DE3148336C2 (de) * 1981-12-07 1985-03-21 ANT Nachrichtentechnik GmbH, 7150 Backnang Schaltungsanordnung zum Auswerten eines in einer Nachrichtenempfangsanlage auftretenden Rauschsignals
JP4344964B2 (ja) * 1999-06-01 2009-10-14 ソニー株式会社 画像処理装置および画像処理方法
DE602005002258T2 (de) * 2005-07-01 2008-05-29 Research In Motion Ltd., Waterloo Bestimmung der Antennenrauschtemperatur einer tragbaren Funkvorrichtung
US8138969B2 (en) * 2008-10-22 2012-03-20 Bae Systems Information And Electronic Systems Integration Inc. Monobit based low cost high performance radar warning receiver
EP3486680B1 (fr) * 2017-11-21 2024-01-03 Rohde & Schwarz GmbH & Co. KG Système de test et procédé pour tester la performance d'un détecteur
US10673545B1 (en) * 2019-04-11 2020-06-02 Infineon Technologies Ag Noise measurement for integrated circuit device with on-device test signal up-conversion

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2901696A (en) * 1953-11-25 1959-08-25 Ingeniors N Magnetic Ab Fa Arrangement for automatic and continuous measuring of the noise factor of an electric device
US3062955A (en) * 1959-09-22 1962-11-06 North American Aviation Inc Impulse noise generator
US3072845A (en) * 1960-05-09 1963-01-08 Avco Corp Noise factor measurement system
US3302116A (en) * 1963-05-16 1967-01-31 Sperry Rand Corp Signal plus noise to noise measuring equipment
US3510768A (en) * 1966-10-31 1970-05-05 Burroughs Corp Duty cycle ratio meter including a noise integrator receiving noise signals from a radar receiver

Also Published As

Publication number Publication date
DE2218415B2 (de) 1977-08-04
US3794999A (en) 1974-02-26
AU461857B2 (en) 1975-05-19
DE2218415A1 (de) 1972-12-21
FR2133904B1 (fr) 1978-03-03
GB1393789A (en) 1975-05-14
CH538701A (de) 1973-06-30
DE2218415C3 (de) 1978-03-30
AU4128472A (en) 1973-10-25
BE782305A (fr) 1972-08-16
IT957631B (it) 1973-10-20
FR2133904A1 (fr) 1972-12-01
NL7105272A (fr) 1972-10-24

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