JPS6230525B2 - - Google Patents

Info

Publication number
JPS6230525B2
JPS6230525B2 JP56054927A JP5492781A JPS6230525B2 JP S6230525 B2 JPS6230525 B2 JP S6230525B2 JP 56054927 A JP56054927 A JP 56054927A JP 5492781 A JP5492781 A JP 5492781A JP S6230525 B2 JPS6230525 B2 JP S6230525B2
Authority
JP
Japan
Prior art keywords
noise
frequency
input signal
signal
notch filter
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
JP56054927A
Other languages
English (en)
Japanese (ja)
Other versions
JPS56161704A (en
Inventor
Korona Kabotsuto Richaado
Edowaado Hoofuaa Buruusu
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.)
Tektronix Inc
Original Assignee
Tektronix Inc
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 Tektronix Inc filed Critical Tektronix Inc
Publication of JPS56161704A publication Critical patent/JPS56161704A/ja
Publication of JPS6230525B2 publication Critical patent/JPS6230525B2/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
    • G01R23/20—Measurement of non-linear distortion
    • 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
    • G01R17/02—Arrangements in which the value to be measured is automatically compared with a reference value
    • G01R17/06—Automatic balancing arrangements
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
    • H03J7/02—Automatic frequency control

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Filters And Equalizers (AREA)
  • Noise Elimination (AREA)
JP5492781A 1980-04-11 1981-04-10 Frequency discriminator Granted JPS56161704A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/139,938 US4302738A (en) 1980-04-11 1980-04-11 Noise rejection circuitry for a frequency discriminator

Publications (2)

Publication Number Publication Date
JPS56161704A JPS56161704A (en) 1981-12-12
JPS6230525B2 true JPS6230525B2 (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html) 1987-07-02

Family

ID=22488980

Family Applications (2)

Application Number Title Priority Date Filing Date
JP5492781A Granted JPS56161704A (en) 1980-04-11 1981-04-10 Frequency discriminator
JP61203586A Granted JPS6271315A (ja) 1980-04-11 1986-08-29 周波数弁別器のための雑音軽減回路

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP61203586A Granted JPS6271315A (ja) 1980-04-11 1986-08-29 周波数弁別器のための雑音軽減回路

Country Status (2)

Country Link
US (1) US4302738A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)
JP (2) JPS56161704A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4426630A (en) 1981-12-28 1984-01-17 Rockwell International Corporation Electronically tunable band reject filter
US4480236A (en) * 1982-07-01 1984-10-30 Sperry Corporation Channelized serial adaptive filter processor
US4532518A (en) * 1982-09-07 1985-07-30 Sperry Corporation Method and apparatus for accurately setting phase shifters to commanded values
JPS6090411A (ja) * 1983-10-07 1985-05-21 Hitachi Ltd フイルタ集積回路
US4914600A (en) * 1987-06-05 1990-04-03 Gruman Aerospace Corporation Programmable frequency identifier circuit
JPH02214323A (ja) * 1989-02-15 1990-08-27 Mitsubishi Electric Corp 適応型ハイパスフィルタ
US5438304A (en) * 1990-12-19 1995-08-01 Jennings; Peter R. Automatically tuned notch filter for providing bandpass and band reject signals
KR100312623B1 (ko) * 1993-02-26 2001-12-28 이데이 노부유끼 액티브필터회로장치
US5451852A (en) * 1993-08-02 1995-09-19 Gusakov; Ignaty Control system having signal tracking window filters
US5463346A (en) * 1994-04-07 1995-10-31 Spacelabs Medical, Inc. Fast response low-pass filter
KR0124649B1 (ko) * 1994-10-06 1997-12-10 문정환 무조정 밴드패스 필터장치
US5608665A (en) * 1995-10-03 1997-03-04 Wyszynski; Adam S. Self-tuned, continuous-time active filter
US6461031B1 (en) 1998-03-27 2002-10-08 3M Innovative Properties Company Spot light fiber and illuminating apparatus

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2763840A (en) * 1952-12-18 1956-09-18 Bell Telephone Labor Inc Variable bandwidth transmission system
DE1251391B (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html) * 1962-10-01
GB1151555A (en) * 1967-04-19 1969-05-07 Rank Organisation Ltd Improvements in Electric Filters
JPS5178101A (ja) * 1974-12-27 1976-07-07 Sanei Sokki Kk Zatsuonjokyosochi
JPS5267248A (en) * 1975-12-01 1977-06-03 Victor Co Of Japan Ltd Noise elimination circuit of angle modulation wave signal demodulation circuit constructed by phase tracking loop

Also Published As

Publication number Publication date
JPS6311807B2 (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html) 1988-03-16
JPS56161704A (en) 1981-12-12
JPS6271315A (ja) 1987-04-02
US4302738A (en) 1981-11-24

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