DE69226886D1 - Verfahren und Vorrichtung zum Erzeugen von Signalabtastwerten mit mehreren Amplituden - Google Patents
Verfahren und Vorrichtung zum Erzeugen von Signalabtastwerten mit mehreren AmplitudenInfo
- Publication number
- DE69226886D1 DE69226886D1 DE69226886T DE69226886T DE69226886D1 DE 69226886 D1 DE69226886 D1 DE 69226886D1 DE 69226886 T DE69226886 T DE 69226886T DE 69226886 T DE69226886 T DE 69226886T DE 69226886 D1 DE69226886 D1 DE 69226886D1
- Authority
- DE
- Germany
- Prior art keywords
- signal samples
- generating signal
- multiple amplitudes
- amplitudes
- generating
- 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 - Fee Related
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; CALCULATING OR 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; CALCULATING OR 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; CALCULATING OR 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)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Dc Digital Transmission (AREA)
- Analogue/Digital Conversion (AREA)
- Test And Diagnosis Of Digital Computers (AREA)
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 (2)
Publication Number | Publication Date |
---|---|
DE69226886D1 true DE69226886D1 (de) | 1998-10-15 |
DE69226886T2 DE69226886T2 (de) | 1999-04-29 |
Family
ID=24583820
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69226886T Expired - Fee Related DE69226886T2 (de) | 1991-01-18 | 1992-01-16 | Verfahren und Vorrichtung zum Erzeugen von Signalabtastwerten mit mehreren Amplituden |
Country Status (9)
Country | Link |
---|---|
US (1) | US5230008A (de) |
EP (1) | EP0495660B1 (de) |
JP (1) | JPH04326229A (de) |
KR (1) | KR960000610B1 (de) |
AR (1) | AR247049A1 (de) |
BR (1) | BR9200161A (de) |
DE (1) | DE69226886T2 (de) |
MX (1) | MX9200218A (de) |
TW (1) | TW219395B (de) |
Families Citing this family (13)
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 |
US6396329B1 (en) * | 1999-10-19 | 2002-05-28 | Rambus, Inc | Method and apparatus for receiving high speed signals with low latency |
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 |
US8861667B1 (en) | 2002-07-12 | 2014-10-14 | Rambus Inc. | Clock data recovery circuit with equalizer clock calibration |
US7362800B1 (en) | 2002-07-12 | 2008-04-22 | Rambus Inc. | Auto-configured equalizer |
US7292629B2 (en) | 2002-07-12 | 2007-11-06 | Rambus Inc. | Selectable-tap equalizer |
Family Cites Families (14)
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 |
-
1991
- 1991-01-18 US US07/644,186 patent/US5230008A/en not_active Expired - Fee Related
-
1992
- 1992-01-16 DE DE69226886T patent/DE69226886T2/de not_active Expired - Fee Related
- 1992-01-16 AR AR92321651A patent/AR247049A1/es active
- 1992-01-16 EP EP92300389A patent/EP0495660B1/de not_active Expired - Lifetime
- 1992-01-17 MX MX9200218A patent/MX9200218A/es unknown
- 1992-01-17 JP JP4025869A patent/JPH04326229A/ja active Pending
- 1992-01-17 KR KR1019920000612A patent/KR960000610B1/ko not_active IP Right Cessation
- 1992-01-17 BR BR929200161A patent/BR9200161A/pt not_active Application Discontinuation
- 1992-02-25 TW TW081101380A patent/TW219395B/zh active
Also Published As
Publication number | Publication date |
---|---|
MX9200218A (es) | 1992-09-01 |
BR9200161A (pt) | 1992-10-06 |
TW219395B (de) | 1994-01-21 |
DE69226886T2 (de) | 1999-04-29 |
US5230008A (en) | 1993-07-20 |
AR247049A1 (es) | 1994-10-31 |
EP0495660B1 (de) | 1998-09-09 |
KR920015746A (ko) | 1992-08-27 |
JPH04326229A (ja) | 1992-11-16 |
EP0495660A1 (de) | 1992-07-22 |
KR960000610B1 (ko) | 1996-01-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE69119608D1 (de) | Verfahren und vorrichtung zum auswerten von fetalzuständen | |
DE69228108D1 (de) | Verfahren und Vorrichtung zum Empfang von Informationssignalen | |
DE69219307D1 (de) | Verfahren und Vorrichtung zum Multiplexen von Datensignalen | |
DE3856188D1 (de) | Vorrichtung und Verfahren zum Sortieren von Münzen | |
DE68927062D1 (de) | Verfahren und Vorrichtung zum Auswerten von Farbfilmen | |
DE68918962D1 (de) | Verfahren und Vorrichtung zum Durchführen von Analysen mit Mengmöglichkeit. | |
DE69225080D1 (de) | Vorrichtung und Verfahren zur Aufzeichnung von Transaktionen | |
DE68928192D1 (de) | Vorrichtung und Verfahren zur Positionsdetektion | |
DE69420593D1 (de) | Verfahren und Vorrichtung zum Erfassen von seismischen Signalen | |
DE58907328D1 (de) | Verfahren und Vorrichtung zum Auftragen von Medien. | |
DE69210351D1 (de) | Verfahren und Vorrichtung zum Ausrichten von flachen Gegenständen | |
DE69125447D1 (de) | Verfahren und Vorrichtung zum Positionieren von Wandlern | |
DE59206795D1 (de) | Verfahren und Vorrichtung zum einseitigen Behandeln von plattenförmigen Gegenständen | |
DE69208673D1 (de) | Vorrichtung und verfahren zum lagern von produkten | |
DE69203938D1 (de) | Verfahren und Vorrichtung zur Dehydrierung von aliphatischen Kohlenwasserstoffen zu olefinischen Kohlenwasserstoffen. | |
DE69408615D1 (de) | Verfahren und Vorrichtung zur Erfassung von seismischen Signalen | |
DE68924563D1 (de) | Verfahren und Vorrichtung zur Oberflächenanalyse. | |
DE68907508D1 (de) | Verfahren und vorrichtung zum sterilisieren von deckeln. | |
DE69210650D1 (de) | Vorrichtung und Verfahren zum Elektroplattieren | |
DE59200302D1 (de) | Verfahren und Vorrichtung zum Anbringen von Etiketten an Gefässen. | |
DE69226886D1 (de) | Verfahren und Vorrichtung zum Erzeugen von Signalabtastwerten mit mehreren Amplituden | |
DE68908435D1 (de) | Vorrichtung und verfahren zum kristallziehen. | |
DE69220390D1 (de) | Vorrichtung und Verfahren zum Aktivieren von druckfähigem Klebstoff | |
DE69132520D1 (de) | Vorrichtung und Verfahren zum Unterscheiden von Münzen | |
ATA11388A (de) | Verfahren und vorrichtung zum positionieren von plattenfoermigen gegenstaenden |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |