JPS5414664A - Measuring method for cathode activity of travling-wave tube - Google Patents

Measuring method for cathode activity of travling-wave tube

Info

Publication number
JPS5414664A
JPS5414664A JP7999977A JP7999977A JPS5414664A JP S5414664 A JPS5414664 A JP S5414664A JP 7999977 A JP7999977 A JP 7999977A JP 7999977 A JP7999977 A JP 7999977A JP S5414664 A JPS5414664 A JP S5414664A
Authority
JP
Japan
Prior art keywords
wave tube
travling
measuring method
cathode
cathode activity
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.)
Pending
Application number
JP7999977A
Other languages
Japanese (ja)
Inventor
Tsutomu Sugawara
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.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone Corp
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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP7999977A priority Critical patent/JPS5414664A/en
Publication of JPS5414664A publication Critical patent/JPS5414664A/en
Pending legal-status Critical Current

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Abstract

PURPOSE: To disciminate how much a cathode deteriorates by measuring cathode activity easily and accurately, by measuring the variations of a helical current at the time of deteriorating the cathode temperature of a traveling-wave tube down to a temperature-limited range.
COPYRIGHT: (C)1979,JPO&Japio
JP7999977A 1977-07-06 1977-07-06 Measuring method for cathode activity of travling-wave tube Pending JPS5414664A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7999977A JPS5414664A (en) 1977-07-06 1977-07-06 Measuring method for cathode activity of travling-wave tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7999977A JPS5414664A (en) 1977-07-06 1977-07-06 Measuring method for cathode activity of travling-wave tube

Publications (1)

Publication Number Publication Date
JPS5414664A true JPS5414664A (en) 1979-02-03

Family

ID=13705980

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7999977A Pending JPS5414664A (en) 1977-07-06 1977-07-06 Measuring method for cathode activity of travling-wave tube

Country Status (1)

Country Link
JP (1) JPS5414664A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57201205A (en) * 1981-06-05 1982-12-09 Toshiba Corp Airtight through device for wire signal transmission line
JPS5862574A (en) * 1981-10-12 1983-04-14 Nippon Telegr & Teleph Corp <Ntt> Tester for life of travelling-wave tube

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57201205A (en) * 1981-06-05 1982-12-09 Toshiba Corp Airtight through device for wire signal transmission line
JPS5862574A (en) * 1981-10-12 1983-04-14 Nippon Telegr & Teleph Corp <Ntt> Tester for life of travelling-wave tube

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