DE3573952D1 - Anti-aliasing filter circuit for oscilloscopes - Google Patents

Anti-aliasing filter circuit for oscilloscopes

Info

Publication number
DE3573952D1
DE3573952D1 DE8585306072T DE3573952T DE3573952D1 DE 3573952 D1 DE3573952 D1 DE 3573952D1 DE 8585306072 T DE8585306072 T DE 8585306072T DE 3573952 T DE3573952 T DE 3573952T DE 3573952 D1 DE3573952 D1 DE 3573952D1
Authority
DE
Germany
Prior art keywords
oscilloscopes
filter circuit
aliasing filter
aliasing
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
DE8585306072T
Other languages
English (en)
Inventor
Charles L Saxe
Roydn Jones
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
Application granted granted Critical
Publication of DE3573952D1 publication Critical patent/DE3573952D1/de
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R13/00—Arrangements for displaying electric variables or waveforms
    • G01R13/20—Cathode-ray oscilloscopes
    • G01R13/22—Circuits therefor
    • G01R13/34—Circuits for representing a single waveform by sampling, e.g. for very high frequencies
DE8585306072T 1984-09-21 1985-08-27 Anti-aliasing filter circuit for oscilloscopes Expired DE3573952D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/652,700 US4621217A (en) 1984-09-21 1984-09-21 Anti-aliasing filter circuit for oscilloscopes

Publications (1)

Publication Number Publication Date
DE3573952D1 true DE3573952D1 (en) 1989-11-30

Family

ID=24617808

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585306072T Expired DE3573952D1 (en) 1984-09-21 1985-08-27 Anti-aliasing filter circuit for oscilloscopes

Country Status (4)

Country Link
US (1) US4621217A (de)
EP (1) EP0178057B1 (de)
JP (1) JPS6189559A (de)
DE (1) DE3573952D1 (de)

Families Citing this family (42)

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Publication number Priority date Publication date Assignee Title
JPS6193963A (ja) * 1984-10-15 1986-05-12 Anritsu Corp 複数チヤンネルデイジタルオシロスコ−プ
US4789950A (en) * 1986-09-11 1988-12-06 Tektronix, Inc. Pre-interpolation adaptive filter
US4802098A (en) * 1987-04-03 1989-01-31 Tektronix, Inc. Digital bandpass oscilloscope
JPS63318811A (ja) * 1987-06-22 1988-12-27 Toshiba Corp ディジタルフィルタ装置
NL8800697A (nl) * 1988-03-21 1989-10-16 Philips Nv Trekkersysteem en oscilloscoop voorzien van een trekkersysteem.
US5122734A (en) * 1990-07-19 1992-06-16 Tektronix, Inc. Method and apparatus for prescaler desynchronization
US5115189A (en) * 1991-02-06 1992-05-19 Hewlett-Packard Company Anti-aliasing dithering method and apparatus for low frequency signal sampling
US5233546A (en) * 1991-08-14 1993-08-03 Hewlett-Packard Company Anti-alias filtering apparatus for frequency domain measurements
US5323339A (en) * 1992-06-02 1994-06-21 Rockwell International Corporation Digital anti-aliasing filter system
DE4225113C2 (de) * 1992-07-30 1995-05-04 Erhardt & Leimer Gmbh Vorrichtung zur Überwachung einer laufenden Warenbahn
US5471162A (en) * 1992-09-08 1995-11-28 The Regents Of The University Of California High speed transient sampler
US6694128B1 (en) 1998-08-18 2004-02-17 Parkervision, Inc. Frequency synthesizer using universal frequency translation technology
US6091940A (en) * 1998-10-21 2000-07-18 Parkervision, Inc. Method and system for frequency up-conversion
US6061551A (en) 1998-10-21 2000-05-09 Parkervision, Inc. Method and system for down-converting electromagnetic signals
US7515896B1 (en) 1998-10-21 2009-04-07 Parkervision, Inc. Method and system for down-converting an electromagnetic signal, and transforms for same, and aperture relationships
US6813485B2 (en) 1998-10-21 2004-11-02 Parkervision, Inc. Method and system for down-converting and up-converting an electromagnetic signal, and transforms for same
US6370371B1 (en) 1998-10-21 2002-04-09 Parkervision, Inc. Applications of universal frequency translation
US6061555A (en) * 1998-10-21 2000-05-09 Parkervision, Inc. Method and system for ensuring reception of a communications signal
US7039372B1 (en) 1998-10-21 2006-05-02 Parkervision, Inc. Method and system for frequency up-conversion with modulation embodiments
US7236754B2 (en) 1999-08-23 2007-06-26 Parkervision, Inc. Method and system for frequency up-conversion
US6560301B1 (en) 1998-10-21 2003-05-06 Parkervision, Inc. Integrated frequency translation and selectivity with a variety of filter embodiments
US6542722B1 (en) 1998-10-21 2003-04-01 Parkervision, Inc. Method and system for frequency up-conversion with variety of transmitter configurations
US6049706A (en) * 1998-10-21 2000-04-11 Parkervision, Inc. Integrated frequency translation and selectivity
US6704558B1 (en) 1999-01-22 2004-03-09 Parkervision, Inc. Image-reject down-converter and embodiments thereof, such as the family radio service
US6704549B1 (en) 1999-03-03 2004-03-09 Parkvision, Inc. Multi-mode, multi-band communication system
US6879817B1 (en) 1999-04-16 2005-04-12 Parkervision, Inc. DC offset, re-radiation, and I/Q solutions using universal frequency translation technology
US6853690B1 (en) 1999-04-16 2005-02-08 Parkervision, Inc. Method, system and apparatus for balanced frequency up-conversion of a baseband signal and 4-phase receiver and transceiver embodiments
US7693230B2 (en) 1999-04-16 2010-04-06 Parkervision, Inc. Apparatus and method of differential IQ frequency up-conversion
US7110444B1 (en) 1999-08-04 2006-09-19 Parkervision, Inc. Wireless local area network (WLAN) using universal frequency translation technology including multi-phase embodiments and circuit implementations
US7065162B1 (en) 1999-04-16 2006-06-20 Parkervision, Inc. Method and system for down-converting an electromagnetic signal, and transforms for same
US8295406B1 (en) 1999-08-04 2012-10-23 Parkervision, Inc. Universal platform module for a plurality of communication protocols
US7010286B2 (en) 2000-04-14 2006-03-07 Parkervision, Inc. Apparatus, system, and method for down-converting and up-converting electromagnetic signals
US7454453B2 (en) 2000-11-14 2008-11-18 Parkervision, Inc. Methods, systems, and computer program products for parallel correlation and applications thereof
US7072427B2 (en) 2001-11-09 2006-07-04 Parkervision, Inc. Method and apparatus for reducing DC offsets in a communication system
JP3955488B2 (ja) * 2002-03-19 2007-08-08 富士通株式会社 信号処理装置
US7379883B2 (en) 2002-07-18 2008-05-27 Parkervision, Inc. Networking methods and systems
US7460584B2 (en) 2002-07-18 2008-12-02 Parkervision, Inc. Networking methods and systems
EP1806842B1 (de) * 2005-12-30 2009-09-02 Stmicroelectronics SA Schaltkreis eines Transkonduktanzfilters, insbesondere für ein Mobiltelefon
US7834780B2 (en) * 2006-03-20 2010-11-16 Tektronix, Inc. Waveform compression and display
US8818744B2 (en) * 2008-10-16 2014-08-26 Tektronix, Inc. Test and measurement instrument and method of switching waveform display styles
JP2011043218A (ja) * 2009-08-21 2011-03-03 Denso Corp 流体制御弁
CN102901853A (zh) * 2012-09-19 2013-01-30 四川大学 一种核信号变频数字化采样的方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL273847A (de) * 1961-01-24
US4142146A (en) * 1975-07-07 1979-02-27 Nicolet Instrument Corporation Digital apparatus for waveform measurement
US4513260A (en) * 1977-01-10 1985-04-23 Texas Instruments Incorporated Programmable frequency converting filter
US4414638A (en) * 1981-04-30 1983-11-08 Dranetz Engineering Laboratories, Inc. Sampling network analyzer with stored correction of gain errors
JPS5948658A (ja) * 1982-09-13 1984-03-19 Hitachi Denshi Ltd エイリアシングエラ−検出回路

Also Published As

Publication number Publication date
JPS6189559A (ja) 1986-05-07
EP0178057A1 (de) 1986-04-16
US4621217A (en) 1986-11-04
EP0178057B1 (de) 1989-10-25

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee