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AR247049A1 - Un aparato para generar selectivamente un juego de muestras de amplitud multiple deseado a partir de un juego de muestra generico simple. - Google Patents

Un aparato para generar selectivamente un juego de muestras de amplitud multiple deseado a partir de un juego de muestra generico simple.

Info

Publication number
AR247049A1
AR247049A1 AR92321651A AR32165192A AR247049A1 AR 247049 A1 AR247049 A1 AR 247049A1 AR 92321651 A AR92321651 A AR 92321651A AR 32165192 A AR32165192 A AR 32165192A AR 247049 A1 AR247049 A1 AR 247049A1
Authority
AR
Argentina
Prior art keywords
generating apparatus
amplitude sampling
sampling generating
displacement
sample set
Prior art date
Application number
AR92321651A
Other languages
English (en)
Original Assignee
Motorola 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 Motorola Inc filed Critical Motorola Inc
Application granted granted Critical
Publication of AR247049A1 publication Critical patent/AR247049A1/es

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
    • H04L25/40—Transmitting circuits; Receiving circuits
    • H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/02—Digital function generators
    • G06F1/03—Digital function generators working, at least partly, by table look-up
    • G06F1/035—Reduction of table size
    • G06F1/0356—Reduction of table size by using two or more smaller tables, e.g. addressed by parts of the argument
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/02—Digital function generators
    • G06F1/03—Digital function generators working, at least partly, by table look-up
    • G06F1/035—Reduction of table size
    • G06F1/0353—Reduction of table size by using symmetrical properties of the function, e.g. using most significant bits for quadrant control
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2101/00—Indexing scheme relating to the type of digital function generated
    • G06F2101/04—Trigonometric functions

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Signal Processing (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Dc Digital Transmission (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Test And Diagnosis Of Digital Computers (AREA)
  • Analogue/Digital Conversion (AREA)

Abstract

UN APARATO PARA GENERAR SELECTIVAMENTE UN JUEGO DE MUESTRAS DE AMPLITUD MULTIPLE DESEADO A PARTIR DE UN JUEGO DE MUESTRAS GENERICO SIMPLE, QUE COMPRENDE UN PRIMER REGISTRO DE DESPLAZAMIENTO CONECTADO A UN INVERSOR, ESTANDO DICHO INVERSOR CONECTADO A UN SUMADOR Y A UN BLOQUE LOGICO, ESTANDO DICHO BLOQUE LOGICO CONECTADO A UN SEGUNDO REGISTRADOR DE DESPLAZAMIENTO QUE ESTA CONECTADO A DICHO SUMADOR.
AR92321651A 1991-01-18 1992-01-16 Un aparato para generar selectivamente un juego de muestras de amplitud multiple deseado a partir de un juego de muestra generico simple. AR247049A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/644,186 US5230008A (en) 1991-01-18 1991-01-18 Multi-amplitude sample generating apparatus and method

Publications (1)

Publication Number Publication Date
AR247049A1 true AR247049A1 (es) 1994-10-31

Family

ID=24583820

Family Applications (1)

Application Number Title Priority Date Filing Date
AR92321651A AR247049A1 (es) 1991-01-18 1992-01-16 Un aparato para generar selectivamente un juego de muestras de amplitud multiple deseado a partir de un juego de muestra generico simple.

Country Status (9)

Country Link
US (1) US5230008A (es)
EP (1) EP0495660B1 (es)
JP (1) JPH04326229A (es)
KR (1) KR960000610B1 (es)
AR (1) AR247049A1 (es)
BR (1) BR9200161A (es)
DE (1) DE69226886T2 (es)
MX (1) MX9200218A (es)
TW (1) TW219395B (es)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2685486B1 (fr) * 1991-12-19 1994-07-29 Inst Francais Du Petrole Methode et dispositif pour mesurer les niveaux d'amplitude successifs de signaux recus sur une voie de transmission.
US5487089A (en) * 1992-02-17 1996-01-23 Matsushita Electric Industrial Co., Ltd. Nyquist filter for digital modulation
SI9300025A (en) * 1993-01-21 1994-09-30 Spase Drakul Digital communication system in n-dimensional vector space for transmission coded waveforms in bandlimited chanels
KR100311072B1 (ko) * 1993-08-31 2001-12-15 윤종용 다치중첩진폭변조의기저대역신호발생장치
US5379242A (en) * 1993-09-01 1995-01-03 National Semiconductor Corporation ROM filter
US5918198A (en) * 1996-10-22 1999-06-29 Schlumberger Technologies Inc. Generating pulses in analog channel of ATE tester
US7124221B1 (en) * 1999-10-19 2006-10-17 Rambus Inc. Low latency multi-level communication interface
US7269212B1 (en) 2000-09-05 2007-09-11 Rambus Inc. Low-latency equalization in multi-level, multi-line communication systems
US7161513B2 (en) * 1999-10-19 2007-01-09 Rambus Inc. Apparatus and method for improving resolution of a current mode driver
US6396329B1 (en) 1999-10-19 2002-05-28 Rambus, Inc Method and apparatus for receiving high speed signals with low latency
US7292629B2 (en) 2002-07-12 2007-11-06 Rambus Inc. Selectable-tap equalizer
US7362800B1 (en) 2002-07-12 2008-04-22 Rambus Inc. Auto-configured equalizer
US8861667B1 (en) 2002-07-12 2014-10-14 Rambus Inc. Clock data recovery circuit with equalizer clock calibration

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3267459A (en) * 1962-12-18 1966-08-16 Ibm Data transmission system
US3369181A (en) * 1964-03-18 1968-02-13 Noel B. Braymer System for transmitting digital data via pulse doublets
US3665475A (en) * 1970-04-20 1972-05-23 Transcience Inc Radio signal initiated remote switching system
US3760276A (en) * 1972-03-29 1973-09-18 Savin Business Machines Corp Digital transmission system
US3946214A (en) * 1972-07-05 1976-03-23 Rixon, Incorporated Multi-level digital filter
JPS58145259A (ja) * 1982-02-23 1983-08-30 Mitsubishi Electric Corp 多値信号発生器
US4710891A (en) * 1983-07-27 1987-12-01 American Telephone And Telegraph Company, At&T Bell Laboratories Digital synthesis technique for pulses having predetermined time and frequency domain characteristics
JPH0631990B2 (ja) * 1984-01-07 1994-04-27 カシオ計算機株式会社 波形の補間装置
US4617645A (en) * 1984-09-10 1986-10-14 First Byte Compaction method for waveform storage
US4566044A (en) * 1984-10-29 1986-01-21 International Business Machines Corporation Direction-constrained ternary codes using peak and polarity detection
FR2579390A1 (fr) * 1985-03-22 1986-09-26 Enertec Generateur numerique de forme d'onde et procede associe
JPS62298213A (ja) * 1986-06-17 1987-12-25 Nec Corp 内挿回路
JPS6324339A (ja) * 1986-07-16 1988-02-01 Omron Tateisi Electronics Co カ−ドシステム
US4775851A (en) * 1987-06-01 1988-10-04 Motorola, Inc. Multiplierless decimating low-pass filter for a noise-shaping A/D converter

Also Published As

Publication number Publication date
KR920015746A (ko) 1992-08-27
TW219395B (es) 1994-01-21
EP0495660A1 (en) 1992-07-22
KR960000610B1 (ko) 1996-01-09
BR9200161A (pt) 1992-10-06
DE69226886T2 (de) 1999-04-29
DE69226886D1 (de) 1998-10-15
US5230008A (en) 1993-07-20
EP0495660B1 (en) 1998-09-09
MX9200218A (es) 1992-09-01
JPH04326229A (ja) 1992-11-16

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