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JPS5229778A - Noise figure checking apparatus - Google Patents

Noise figure checking apparatus

Info

Publication number
JPS5229778A
JPS5229778A JP10580775A JP10580775A JPS5229778A JP S5229778 A JPS5229778 A JP S5229778A JP 10580775 A JP10580775 A JP 10580775A JP 10580775 A JP10580775 A JP 10580775A JP S5229778 A JPS5229778 A JP S5229778A
Authority
JP
Japan
Prior art keywords
noise
checking apparatus
glance
tuner
good
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.)
Granted
Application number
JP10580775A
Other languages
Japanese (ja)
Other versions
JPS5440949B2 (en
Inventor
Hideji Aoyama
Satoru Naito
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP10580775A priority Critical patent/JPS5229778A/en
Publication of JPS5229778A publication Critical patent/JPS5229778A/en
Publication of JPS5440949B2 publication Critical patent/JPS5440949B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Monitoring And Testing Of Transmission In General (AREA)

Abstract

PURPOSE: A noise figure checking apparatus which permits identification, at a glance, of whether noise figure characteristics are good or not, through simultaneous display of all reception channel noise figure characteristics of a tuner on an oscilloscope screen.
COPYRIGHT: (C)1977,JPO&Japio
JP10580775A 1975-09-01 1975-09-01 Noise figure checking apparatus Granted JPS5229778A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10580775A JPS5229778A (en) 1975-09-01 1975-09-01 Noise figure checking apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10580775A JPS5229778A (en) 1975-09-01 1975-09-01 Noise figure checking apparatus

Publications (2)

Publication Number Publication Date
JPS5229778A true JPS5229778A (en) 1977-03-05
JPS5440949B2 JPS5440949B2 (en) 1979-12-06

Family

ID=14417367

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10580775A Granted JPS5229778A (en) 1975-09-01 1975-09-01 Noise figure checking apparatus

Country Status (1)

Country Link
JP (1) JPS5229778A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5750578A (en) * 1980-09-11 1982-03-25 Misawa Homes Co Ltd Surface finishing method for lightweight cellular concrete
JPH0252167U (en) * 1988-10-08 1990-04-13

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5750578A (en) * 1980-09-11 1982-03-25 Misawa Homes Co Ltd Surface finishing method for lightweight cellular concrete
JPS6231624B2 (en) * 1980-09-11 1987-07-09 Misawa Homes Co
JPH0252167U (en) * 1988-10-08 1990-04-13
JPH0543415Y2 (en) * 1988-10-08 1993-11-01

Also Published As

Publication number Publication date
JPS5440949B2 (en) 1979-12-06

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