JPS57166564A - Waveform analyzer - Google Patents

Waveform analyzer

Info

Publication number
JPS57166564A
JPS57166564A JP5121981A JP5121981A JPS57166564A JP S57166564 A JPS57166564 A JP S57166564A JP 5121981 A JP5121981 A JP 5121981A JP 5121981 A JP5121981 A JP 5121981A JP S57166564 A JPS57166564 A JP S57166564A
Authority
JP
Japan
Prior art keywords
sweep
band
output
mixer
local oscillator
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
JP5121981A
Other languages
Japanese (ja)
Other versions
JPS639625B2 (en
Inventor
Hiroshi Itaya
Masayoshi Fukaya
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.)
Anritsu Corp
Original Assignee
Anritsu 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 Anritsu Corp filed Critical Anritsu Corp
Priority to JP5121981A priority Critical patent/JPS57166564A/en
Publication of JPS57166564A publication Critical patent/JPS57166564A/en
Publication of JPS639625B2 publication Critical patent/JPS639625B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
    • G01R23/16—Spectrum analysis; Fourier analysis
    • G01R23/173—Wobbulating devices similar to swept panoramic receivers

Abstract

PURPOSE:To shorten a sweep time by sectioning all frequencies in a wide band into band widths, and performing a sweep at a sweep speed adequate for a band while successively switching filters which correspond to the band widths. CONSTITUTION:The sweep signal output of a sweep local oscillator 1 is mixed with the output of a fixed local oscillator 2 by a mixer 3, whose output sweep intermediate frequency signal is inputted to a mixer 5 through a network 4, or a sample to be measured. The output of the mixer 5 is inputted to a display circuit through a mixer 12, the filters of a filter switching circuit part 6, and a detector. On the other hand, a frequency detector 10 in a band-width detecting circuit 9 monitors the sweep frequency of the output of the sweep local oscillator 1, and a band-width switching signal generating circuit 11 changes the sweep speeds of the sweep local oscillator 1 by a sweep signal control circuit 8 and also switches the filters 7-1-7-3 of the filter switching circuit part 6 successively. Consequently, a sweep speed adequate for a sectioned band width is set automatically, thereby shortening a measurement time.
JP5121981A 1981-04-07 1981-04-07 Waveform analyzer Granted JPS57166564A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5121981A JPS57166564A (en) 1981-04-07 1981-04-07 Waveform analyzer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5121981A JPS57166564A (en) 1981-04-07 1981-04-07 Waveform analyzer

Publications (2)

Publication Number Publication Date
JPS57166564A true JPS57166564A (en) 1982-10-14
JPS639625B2 JPS639625B2 (en) 1988-03-01

Family

ID=12880809

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5121981A Granted JPS57166564A (en) 1981-04-07 1981-04-07 Waveform analyzer

Country Status (1)

Country Link
JP (1) JPS57166564A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6488376A (en) * 1987-09-30 1989-04-03 Hewlett Packard Yokogawa Sweep measuring instrument
JPH0335172A (en) * 1989-06-30 1991-02-15 Anritsu Corp Network analyzer
JP2013026663A (en) * 2011-07-15 2013-02-04 Nippon Telegr & Teleph Corp <Ntt> Reception system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6488376A (en) * 1987-09-30 1989-04-03 Hewlett Packard Yokogawa Sweep measuring instrument
JPH0335172A (en) * 1989-06-30 1991-02-15 Anritsu Corp Network analyzer
JP2013026663A (en) * 2011-07-15 2013-02-04 Nippon Telegr & Teleph Corp <Ntt> Reception system

Also Published As

Publication number Publication date
JPS639625B2 (en) 1988-03-01

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