NL6814310A - - Google Patents

Info

Publication number
NL6814310A
NL6814310A NL6814310A NL6814310A NL6814310A NL 6814310 A NL6814310 A NL 6814310A NL 6814310 A NL6814310 A NL 6814310A NL 6814310 A NL6814310 A NL 6814310A NL 6814310 A NL6814310 A NL 6814310A
Authority
NL
Netherlands
Application number
NL6814310A
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 filed Critical
Publication of NL6814310A publication Critical patent/NL6814310A/xx

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H11/00—Networks using active elements
    • H03H11/02—Multiple-port networks
    • H03H11/04—Frequency selective two-port networks
    • H03H11/12—Frequency selective two-port networks using amplifiers with feedback
    • H03H11/1217—Frequency selective two-port networks using amplifiers with feedback using a plurality of operational amplifiers
    • H03H11/1252—Two integrator-loop-filters
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
    • G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers
    • G06G7/19—Arrangements for performing computing operations, e.g. operational amplifiers for forming integrals of products, e.g. Fourier integrals, Laplace integrals, correlation integrals; for analysis or synthesis of functions using orthogonal functions
    • G06G7/1928—Arrangements for performing computing operations, e.g. operational amplifiers for forming integrals of products, e.g. Fourier integrals, Laplace integrals, correlation integrals; for analysis or synthesis of functions using orthogonal functions for forming correlation integrals; for forming convolution integrals
    • G06G7/1935—Arrangements for performing computing operations, e.g. operational amplifiers for forming integrals of products, e.g. Fourier integrals, Laplace integrals, correlation integrals; for analysis or synthesis of functions using orthogonal functions for forming correlation integrals; for forming convolution integrals by converting at least one the input signals into a two level signal, e.g. polarity correlators
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L23/00—Apparatus or local circuits for systems other than those covered by groups H04L15/00 - H04L21/00
    • H04L23/02—Apparatus or local circuits for systems other than those covered by groups H04L15/00 - H04L21/00 adapted for orthogonal signalling

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Software Systems (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Junction Field-Effect Transistors (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
NL6814310A 1967-06-12 1968-10-07 NL6814310A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US64544767A 1967-06-12 1967-06-12

Publications (1)

Publication Number Publication Date
NL6814310A true NL6814310A (xx) 1970-04-09

Family

ID=24589057

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6814310A NL6814310A (xx) 1967-06-12 1968-10-07

Country Status (3)

Country Link
US (1) US3518557A (xx)
DE (1) DE1766555A1 (xx)
NL (1) NL6814310A (xx)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3624636A (en) * 1970-03-11 1971-11-30 Decca Ltd Digitizers for sine and cosine analogue signals
US3601634A (en) * 1970-07-13 1971-08-24 Michel A Ebertin Field effect transistor multiplexing circuit for time sharing a common conductor
US4197515A (en) * 1977-10-05 1980-04-08 Gafvert Karl O U Synchronous filter
US8354885B2 (en) 2008-05-23 2013-01-15 The Regents Of The University Of California Operational amplifier
US7898333B2 (en) * 2008-05-23 2011-03-01 Teledyne Scientific & Imaging, Llc Operational amplifier
CN104160672B (zh) * 2011-08-04 2017-04-26 科尔全控股有限公司 用于增加带宽受限通信路径的信道容量的方法和设备

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2835882A (en) * 1955-01-27 1958-05-20 Burroughs Corp Magnetizable record reading system
US3013160A (en) * 1958-06-05 1961-12-12 Int Standard Electric Corp Transitor double integrating circuit
US2983880A (en) * 1959-04-13 1961-05-09 Short Brothers & Harland Ltd Oscillators
GB991764A (en) * 1962-01-02 1965-05-12 British Telecomm Res Ltd Improvements in or relating to electrical signalling systems
US3333092A (en) * 1964-07-14 1967-07-25 Sperry Rand Corp Alternating current integrators
US3369185A (en) * 1965-05-24 1968-02-13 Collins Radio Co Rc correlator circuit for synchronous signal detection
US3368036A (en) * 1965-05-24 1968-02-06 Collins Radio Co Demultiplexing and detecting system for predicted wave phasepulsed data transmissionsystem
US3411093A (en) * 1965-09-02 1968-11-12 Sperry Rand Corp Frequency tracking circuits

Also Published As

Publication number Publication date
US3518557A (en) 1970-06-30
DE1766555A1 (de) 1971-08-26

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