FI90709C - Arrangemang för dämpning av pekarjitter i en desynkroniseringsanordning - Google Patents
Arrangemang för dämpning av pekarjitter i en desynkroniseringsanordning Download PDFInfo
- Publication number
- FI90709C FI90709C FI920643A FI920643A FI90709C FI 90709 C FI90709 C FI 90709C FI 920643 A FI920643 A FI 920643A FI 920643 A FI920643 A FI 920643A FI 90709 C FI90709 C FI 90709C
- Authority
- FI
- Finland
- Prior art keywords
- phase
- pointer
- arrangement according
- arrangement
- voltage
- Prior art date
Links
- 238000013016 damping Methods 0.000 title description 3
- 230000001360 synchronised effect Effects 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 6
- 238000009499 grossing Methods 0.000 claims description 5
- 230000000670 limiting effect Effects 0.000 claims description 5
- 230000003247 decreasing effect Effects 0.000 claims description 4
- 230000000630 rising effect Effects 0.000 claims description 3
- 102100040844 Dual specificity protein kinase CLK2 Human genes 0.000 description 8
- 101000749291 Homo sapiens Dual specificity protein kinase CLK2 Proteins 0.000 description 8
- 102100040862 Dual specificity protein kinase CLK1 Human genes 0.000 description 6
- 101000749294 Homo sapiens Dual specificity protein kinase CLK1 Proteins 0.000 description 6
- 235000008694 Humulus lupulus Nutrition 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- RGNPBRKPHBKNKX-UHFFFAOYSA-N hexaflumuron Chemical compound C1=C(Cl)C(OC(F)(F)C(F)F)=C(Cl)C=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F RGNPBRKPHBKNKX-UHFFFAOYSA-N 0.000 description 3
- 238000013507 mapping Methods 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 230000002238 attenuated effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 230000036962 time dependent Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
- H04Q11/0428—Integrated services digital network, i.e. systems for transmission of different types of digitised signals, e.g. speech, data, telecentral, television signals
- H04Q11/0478—Provisions for broadband connections
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/06—Synchronising arrangements
- H04J3/07—Synchronising arrangements using pulse stuffing for systems with different or fluctuating information rates or bit rates
- H04J3/076—Bit and byte stuffing, e.g. SDH/PDH desynchronisers, bit-leaking
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J2203/00—Aspects of optical multiplex systems other than those covered by H04J14/05 and H04J14/07
- H04J2203/0001—Provisions for broadband connections in integrated services digital network using frames of the Optical Transport Network [OTN] or using synchronous transfer mode [STM], e.g. SONET, SDH
- H04J2203/0089—Multiplexing, e.g. coding, scrambling, SONET
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Time-Division Multiplex Systems (AREA)
Claims (11)
1. Anordning for att i ett digitalt overforingssystem dåmpa jitteramplituden fororsakad av utjåmningsopera- 5 tioner i en desynkronisator som omfattar en databuffert (1), en skrivadressråknare (2) for databufferten styrd av en skrivklocka (CLK1), en lasadressråknare (3) for databuf ferten styrd av en lasklocka (CLK2), samt en faslåst slinga med en faskomparator (4), ett slingfilter (Al) och 10 en spånningsstyrd oscillator (5) for styrning av nåmnda låsklocka på basis av fasdifferensen mellan lås- och skrivklockorna, kånnetecknad dårav, att anordningen omfattar organ (A2, 7) for tvångsstyrning av den faslåsta slingan att synkront med respektive utjåm-15 ningsogonblick begrånsa maximiamplituden i den fasjitter som fororsakas av ifrågavarande pekarutjamning i desynkro-nisatorns utsignal (DATA OUT).
2. Anordning enligt patentkrav 1, kånnetecknad dårav, att nåmnda organ (A2, 7) tvångsstyr 20 den faslåsta slingan på ett for respektive utjåmningsogon-blick tidsinstållt sått, som åven begrånsar den av ifrågavarande pekarutjåmning fororsakade maximihastigheten for variation i oscillatorns (5) styrspånning (V3).
3. Anordning enligt patentkrav 1 eller 2, k å n -25 netecknad dårav, att kompensationsorganen omfattar organ, som alstrar en kompensationspulssignal (V4,V2), i vilken pulsogonblicken motsvarar pekarutjåmningsogon-blicken.
4. Anordning enligt patentkrav 1 eller 2, k å n - 30 netecknad dårav, att kompensationsorganen dess- utom omfattar organ, som alstrar en andra kompensationspulssignal, i vilken pulsogonblicken motsvarar fashopps-ogonblick fororsakade av bitutjåmningar.
5. Anordning enligt patentkrav 2, 3 eller 4, 35 kånnetecknad dårav, att kompensationspulssig- i. ; is 90709 nalens (V2) pulser ar exponentiella pulser, vilka uppvisar en med pekarhoppet tidsinstålld men motsatt riktad, snabbt stigande framkant och långsamt sjunkande bakkant.
6. Anordning enligt patentkrav 5, k å η n e -5 tecknad darav, att kompensationsorganen dessutom omfattar en AC-kopplad integrator (A2), vårs insignal år en rektangulår kompensationspulssignal (V4) och vårs ut-signal år en exponentiell kompensationspulssignal (V2) som styr den faslåsta slingan.
7. Anordning enligt något av patentkraven 2-6, kånnetecknad dårav, att anordningen omfattar organ for summering av kompensationspulssignalen (V2) till slingfiltrets insignal (VI).
8. Anordning enligt något av patentkraven 2-6, 15 kånnetecknad dårav, att anordningen omfattar organ for summering av kompensationsspånningen (V2) till den spånningsstyrda oscillatorns styrsignal (V3).
9. Anordning enligt något av patentkraven 1-4, kånnetecknad dårav, att anordningen omfattar 20 organ (7) for att begrånsa amplituden for den spånningsstyrda oscillatorns styrsignal (V3) på forutbeståmd tid från respektive pekarogonblick.
10. Anordning enligt något av patentkraven 1-4, kånnetecknad dårav, att anordningen omfattar 25 organ (7) for att reducera den faslåsta slingans oppna slingforstårkning på forutbeståmd tid från respektive pekarogonblick.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI920643A FI90709C (sv) | 1992-02-14 | 1992-02-14 | Arrangemang för dämpning av pekarjitter i en desynkroniseringsanordning |
| AU35006/93A AU3500693A (en) | 1992-02-14 | 1993-02-12 | Pointer jitter suppression in a desynchronizer |
| PCT/FI1993/000045 WO1993016535A1 (en) | 1992-02-14 | 1993-02-12 | Pointer jitter suppression in a desynchronizer |
| DE4390463T DE4390463T1 (de) | 1992-02-14 | 1993-02-12 | Unterdrückung von Pointerjitter in einem Desynchronisierer |
| GB9416172A GB2279522B (en) | 1992-02-14 | 1993-02-12 | Pointer jitter suppression in a desynchronizer |
| SE9402708A SE518361C2 (sv) | 1992-02-14 | 1994-08-12 | Dämpning av pekarjitter i en desynkronisator |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI920643 | 1992-02-14 | ||
| FI920643A FI90709C (sv) | 1992-02-14 | 1992-02-14 | Arrangemang för dämpning av pekarjitter i en desynkroniseringsanordning |
Publications (4)
| Publication Number | Publication Date |
|---|---|
| FI920643A0 FI920643A0 (sv) | 1992-02-14 |
| FI920643A FI920643A (sv) | 1993-08-15 |
| FI90709B FI90709B (sv) | 1993-11-30 |
| FI90709C true FI90709C (sv) | 1994-03-10 |
Family
ID=8534632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI920643A FI90709C (sv) | 1992-02-14 | 1992-02-14 | Arrangemang för dämpning av pekarjitter i en desynkroniseringsanordning |
Country Status (6)
| Country | Link |
|---|---|
| AU (1) | AU3500693A (sv) |
| DE (1) | DE4390463T1 (sv) |
| FI (1) | FI90709C (sv) |
| GB (1) | GB2279522B (sv) |
| SE (1) | SE518361C2 (sv) |
| WO (1) | WO1993016535A1 (sv) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5457717A (en) * | 1993-11-29 | 1995-10-10 | Dsc Communications Corporation | Apparatus and method for eliminating mapping jitter |
| ES2102938B1 (es) * | 1994-03-28 | 1998-04-16 | Alcatel Standard Electrica | Sistema de reduccion de fluctuaciones de fase en demultiplexores digitales. |
| US6064706A (en) * | 1996-05-01 | 2000-05-16 | Alcatel Usa, Inc. | Apparatus and method of desynchronizing synchronously mapped asynchronous data |
| SE509186C2 (sv) * | 1996-06-25 | 1998-12-14 | Ericsson Telefon Ab L M | Anordning och metod vid behandling av redundanssignaler och ett telekommunikationssystem omfattande densamma |
| FI965072A (sv) | 1996-12-17 | 1998-08-13 | Nokia Telecommunications Oy | Förfarande för att dämpa transienter orsakade av taktanpassning i en desynkronisator |
| DE19653470C2 (de) * | 1996-12-20 | 1998-10-08 | Siemens Ag | Verfahren und Anordnung zur Taktrückgewinnung aus einem Digitalsignal |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4996698A (en) * | 1989-10-23 | 1991-02-26 | Rockwell International Corporation | Clock signal resynchronizing apparatus |
| DE3942885A1 (de) * | 1989-12-23 | 1991-06-27 | Philips Patentverwaltung | Schaltungsanordnung zur bitratenanpassung |
| BR9007998A (pt) * | 1990-02-16 | 1992-10-27 | Siemens Ag | Processo e disposicao para a recuperacao de cadencia |
| DE69132247T2 (de) * | 1990-03-14 | 2000-12-21 | Alcatel, Paris | Phasenverriegelte Schleifenanordnung |
| JP2777929B2 (ja) * | 1990-07-04 | 1998-07-23 | 富士通株式会社 | 非同期信号抽出回路 |
| US5052025A (en) * | 1990-08-24 | 1991-09-24 | At&T Bell Laboratories | Synchronous digital signal to asynchronous digital signal desynchronizer |
-
1992
- 1992-02-14 FI FI920643A patent/FI90709C/sv active
-
1993
- 1993-02-12 GB GB9416172A patent/GB2279522B/en not_active Expired - Fee Related
- 1993-02-12 AU AU35006/93A patent/AU3500693A/en not_active Abandoned
- 1993-02-12 WO PCT/FI1993/000045 patent/WO1993016535A1/en active Application Filing
- 1993-02-12 DE DE4390463T patent/DE4390463T1/de not_active Withdrawn
-
1994
- 1994-08-12 SE SE9402708A patent/SE518361C2/sv not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| SE9402708D0 (sv) | 1994-08-12 |
| SE518361C2 (sv) | 2002-10-01 |
| WO1993016535A1 (en) | 1993-08-19 |
| AU3500693A (en) | 1993-09-03 |
| FI920643A (sv) | 1993-08-15 |
| DE4390463T1 (de) | 1995-01-26 |
| GB2279522A (en) | 1995-01-04 |
| SE9402708L (sv) | 1994-08-12 |
| FI90709B (sv) | 1993-11-30 |
| GB2279522B (en) | 1995-10-25 |
| FI920643A0 (sv) | 1992-02-14 |
| GB9416172D0 (en) | 1994-10-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| HC | Name/ company changed in application |
Owner name: NOKIA TELECOMMUNICATIONS OY |
|
| BB | Publication of examined application |