DE69230248D1 - Modulationsverfahren und Schaltungsanordnung dafür - Google Patents
Modulationsverfahren und Schaltungsanordnung dafürInfo
- Publication number
- DE69230248D1 DE69230248D1 DE69230248T DE69230248T DE69230248D1 DE 69230248 D1 DE69230248 D1 DE 69230248D1 DE 69230248 T DE69230248 T DE 69230248T DE 69230248 T DE69230248 T DE 69230248T DE 69230248 D1 DE69230248 D1 DE 69230248D1
- Authority
- DE
- Germany
- Prior art keywords
- circuit arrangement
- modulation method
- arrangement therefor
- therefor
- modulation
- 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
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C3/00—Angle modulation
- H03C3/02—Details
- H03C3/09—Modifications of modulator for regulating the mean frequency
- H03C3/0908—Modifications of modulator for regulating the mean frequency using a phase locked loop
- H03C3/0975—Modifications of modulator for regulating the mean frequency using a phase locked loop applying frequency modulation in the phase locked loop at components other than the divider, the voltage controlled oscillator or the reference clock
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C3/00—Angle modulation
- H03C3/02—Details
- H03C3/09—Modifications of modulator for regulating the mean frequency
- H03C3/0908—Modifications of modulator for regulating the mean frequency using a phase locked loop
- H03C3/0916—Modifications of modulator for regulating the mean frequency using a phase locked loop with frequency divider or counter in the loop
- H03C3/0925—Modifications of modulator for regulating the mean frequency using a phase locked loop with frequency divider or counter in the loop applying frequency modulation at the divider in the feedback loop
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C3/00—Angle modulation
- H03C3/02—Details
- H03C3/09—Modifications of modulator for regulating the mean frequency
- H03C3/0908—Modifications of modulator for regulating the mean frequency using a phase locked loop
- H03C3/0916—Modifications of modulator for regulating the mean frequency using a phase locked loop with frequency divider or counter in the loop
- H03C3/0933—Modifications of modulator for regulating the mean frequency using a phase locked loop with frequency divider or counter in the loop using fractional frequency division in the feedback loop of the phase locked loop
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C3/00—Angle modulation
- H03C3/02—Details
- H03C3/09—Modifications of modulator for regulating the mean frequency
- H03C3/0908—Modifications of modulator for regulating the mean frequency using a phase locked loop
- H03C3/0941—Modifications of modulator for regulating the mean frequency using a phase locked loop applying frequency modulation at more than one point in the loop
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C3/00—Angle modulation
- H03C3/02—Details
- H03C3/09—Modifications of modulator for regulating the mean frequency
- H03C3/0908—Modifications of modulator for regulating the mean frequency using a phase locked loop
- H03C3/0966—Modifications of modulator for regulating the mean frequency using a phase locked loop modulating the reference clock
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI916194A FI90169C (fi) | 1991-12-31 | 1991-12-31 | Foerfarande och kopplingsarrangemang foer att alstra en modulerad signal |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69230248D1 true DE69230248D1 (de) | 1999-12-09 |
DE69230248T2 DE69230248T2 (de) | 2000-05-11 |
Family
ID=8533763
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69230248T Expired - Fee Related DE69230248T2 (de) | 1991-12-31 | 1992-12-22 | Modulationsverfahren und Schaltungsanordnung dafür |
Country Status (5)
Country | Link |
---|---|
US (1) | US5325075A (de) |
EP (1) | EP0550249B1 (de) |
JP (1) | JP3097885B2 (de) |
DE (1) | DE69230248T2 (de) |
FI (1) | FI90169C (de) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI90169C (fi) * | 1991-12-31 | 1993-12-27 | Nokia Mobile Phones Ltd | Foerfarande och kopplingsarrangemang foer att alstra en modulerad signal |
JPH0636261U (ja) * | 1992-10-12 | 1994-05-13 | ホシデン株式会社 | メモリカード側多極コネクタ |
KR100207594B1 (ko) * | 1993-03-30 | 1999-07-15 | 윤종용 | 자동부호화 4분 위상천이 변조방법 및 장치 |
US5854813A (en) * | 1994-12-29 | 1998-12-29 | Motorola, Inc. | Multiple access up converter/modulator and method |
FI98420C (fi) * | 1995-01-24 | 1997-06-10 | Nokia Mobile Phones Ltd | Menetelmä ja kytkentä moduloidun signaalin muodostamiseksi lähetin/vastaanottimessa |
FI951918A (fi) * | 1995-04-21 | 1996-10-22 | Nokia Mobile Phones Ltd | Lähetin-vastaanotinlaite ja menetelmä kompleksien I/Q-signaalin synnyttämiseksi ja käsittelemiseksi |
GB2313001B (en) * | 1996-05-07 | 2000-11-01 | Nokia Mobile Phones Ltd | Frequency modulation using a phase-locked loop |
US5787362A (en) * | 1996-07-08 | 1998-07-28 | Nokia Mobile Phones Limited | AM removal from FM signal generated by IQ modulator |
US5768691A (en) * | 1996-08-07 | 1998-06-16 | Nokia Mobile Phones Limited | Antenna switching circuits for radio telephones |
GB9617313D0 (en) * | 1996-08-17 | 1996-09-25 | Cedardell Ltd | Transmitter controller |
US5742208A (en) * | 1996-09-06 | 1998-04-21 | Tektronix, Inc. | Signal generator for generating a jitter/wander output |
GB2317512B (en) * | 1996-09-12 | 2001-01-24 | Nokia Mobile Phones Ltd | Frequency modulation using a phase-locked loop |
KR100253153B1 (ko) * | 1996-12-23 | 2000-04-15 | 윤종용 | 협대역전압제어발진기를이용한광대역위상동기루프회로 |
US6065140A (en) * | 1997-04-30 | 2000-05-16 | Motorola, Inc. | Optimized computation of first and second divider values for a phase locked loop system |
US6016331A (en) * | 1997-08-05 | 2000-01-18 | Vlsi Technology, Inc. | Methods of synchronization, personal handy-phone system stations and phase lock loops |
FI105426B (fi) * | 1998-05-29 | 2000-08-15 | Nokia Mobile Phones Ltd | Digitaalinen vaihevertailija ilman kuollutta aluetta |
US6549562B1 (en) | 1999-11-12 | 2003-04-15 | Harris Corporation | Method and system of generating a modulated chirp signal |
US6678503B1 (en) | 2000-05-17 | 2004-01-13 | Intersil Americas Inc. | Apparatus for radio frequency processing with dual modulus synthesizer |
US6405022B1 (en) | 2000-05-17 | 2002-06-11 | Intersil Americas Inc. | Apparatus for radio frequency processing with single oscillator for intermediate frequency processing |
US20020131526A1 (en) * | 2001-03-16 | 2002-09-19 | Myers Michael H. | Modulation synthesis apparatus for photonic wavelength shifting |
US7999624B2 (en) * | 2007-04-24 | 2011-08-16 | City University Of Hong Kong | Radiation source |
FR2968787A1 (fr) * | 2010-12-13 | 2012-06-15 | Commissariat Energie Atomique | Dispositif et procede de compensation de delai de propagation d'un signal |
US9000858B2 (en) * | 2012-04-25 | 2015-04-07 | Qualcomm Incorporated | Ultra-wide band frequency modulator |
US20240204786A1 (en) * | 2022-12-20 | 2024-06-20 | Airoha Technology Corp. | Method and apparatus for applying phase shift to digital phase-locked loop circuit to adjust frequency of local oscillator signal used by down-conversion |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3571743A (en) * | 1968-10-30 | 1971-03-23 | Rca Corp | Phase lock loop |
JPH0250606A (ja) * | 1988-08-12 | 1990-02-20 | Nec Corp | 周波数シンセサイザ |
US4994768A (en) * | 1989-03-27 | 1991-02-19 | Motorola, Inc. | Frequency synthesizer with FM modulation |
EP0408238B1 (de) * | 1989-07-08 | 1996-03-27 | Plessey Semiconductors Limited | Frequenzsynthesizer |
GB2237157A (en) * | 1989-10-20 | 1991-04-24 | Marconi Instruments Ltd | Control of frequency modulators |
DE3939259A1 (de) * | 1989-11-28 | 1991-05-29 | Rohde & Schwarz | Frequenzmodulierbarer frequenzgenerator |
FI87032C (fi) * | 1990-01-18 | 1992-11-10 | Nokia Mobile Phones Ltd | Interpolerande pll-frekvenssyntetiserare |
US5021754A (en) * | 1990-07-16 | 1991-06-04 | Motorola, Inc. | Fractional-N synthesizer having modulation spur compensation |
FI90169C (fi) * | 1991-12-31 | 1993-12-27 | Nokia Mobile Phones Ltd | Foerfarande och kopplingsarrangemang foer att alstra en modulerad signal |
-
1991
- 1991-12-31 FI FI916194A patent/FI90169C/fi active
-
1992
- 1992-12-22 EP EP92311728A patent/EP0550249B1/de not_active Expired - Lifetime
- 1992-12-22 DE DE69230248T patent/DE69230248T2/de not_active Expired - Fee Related
- 1992-12-23 US US07/997,285 patent/US5325075A/en not_active Expired - Lifetime
-
1993
- 1993-01-04 JP JP05000116A patent/JP3097885B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE69230248T2 (de) | 2000-05-11 |
US5325075A (en) | 1994-06-28 |
EP0550249A3 (en) | 1993-11-10 |
FI90169C (fi) | 1993-12-27 |
JP3097885B2 (ja) | 2000-10-10 |
FI916194A0 (fi) | 1991-12-31 |
EP0550249A2 (de) | 1993-07-07 |
JPH06169328A (ja) | 1994-06-14 |
FI916194A (fi) | 1993-07-01 |
FI90169B (fi) | 1993-09-15 |
EP0550249B1 (de) | 1999-11-03 |
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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 |