ATE365397T1 - Doppelzugriffsmodulator mit einem frequenzsynthetisierer - Google Patents
Doppelzugriffsmodulator mit einem frequenzsynthetisiererInfo
- Publication number
- ATE365397T1 ATE365397T1 AT04290262T AT04290262T ATE365397T1 AT E365397 T1 ATE365397 T1 AT E365397T1 AT 04290262 T AT04290262 T AT 04290262T AT 04290262 T AT04290262 T AT 04290262T AT E365397 T1 ATE365397 T1 AT E365397T1
- Authority
- AT
- Austria
- Prior art keywords
- vco
- signal
- frequency divider
- pll
- modulator
- Prior art date
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
- H03C3/0966—Modifications of modulator for regulating the mean frequency using a phase locked loop modulating 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
- H03C3/095—Modifications of modulator for regulating the mean frequency using a phase locked loop applying frequency modulation to the loop in front of the voltage controlled oscillator
Landscapes
- Transmitters (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04290262A EP1560336B1 (de) | 2004-01-30 | 2004-01-30 | Doppelzugriffsmodulator mit einem Frequenzsynthetisierer |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE365397T1 true ATE365397T1 (de) | 2007-07-15 |
Family
ID=34639492
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT04290262T ATE365397T1 (de) | 2004-01-30 | 2004-01-30 | Doppelzugriffsmodulator mit einem frequenzsynthetisierer |
Country Status (4)
Country | Link |
---|---|
US (1) | US7109816B2 (de) |
EP (1) | EP1560336B1 (de) |
AT (1) | ATE365397T1 (de) |
DE (1) | DE602004007095T2 (de) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100530939C (zh) * | 2004-03-19 | 2009-08-19 | 松下电器产业株式会社 | 调频装置、包括该调频装置的发送装置及无线通信机器 |
US7098754B2 (en) * | 2005-01-31 | 2006-08-29 | Rf Micro Devices, Inc. | Fractional-N offset phase locked loop |
US20060217082A1 (en) * | 2005-03-22 | 2006-09-28 | Georg Fischer | Shaping noise in power amplifiers of duplex communication systems |
US7715808B2 (en) * | 2005-04-28 | 2010-05-11 | Panasonic Corporation | Polar modulating circuit, polar coordinate modulating method, integrated circuit and radio transmission device |
US7289004B2 (en) * | 2005-08-15 | 2007-10-30 | Motorola, Inc. | Dual port modulator |
US7565118B2 (en) * | 2005-09-08 | 2009-07-21 | Panasonic Corporation | Polar modulation transmission apparatus and wireless communication apparatus |
US7693496B2 (en) * | 2006-09-07 | 2010-04-06 | Infineon Technologies Ag | Polar transmitter arrangement and method |
US20100009641A1 (en) * | 2008-07-11 | 2010-01-14 | Matsushita Electric Industrial Co.,Ltd. | Digital rf phase control in polar modulation transmitters |
US8952763B2 (en) * | 2012-05-10 | 2015-02-10 | Mediatek Inc. | Frequency modulator having digitally-controlled oscillator with modulation tuning and phase-locked loop tuning |
US9444470B2 (en) * | 2014-01-31 | 2016-09-13 | Microsemi Semiconductor Ulc | Double phase-locked loop with frequency stabilization |
US9172570B1 (en) * | 2014-06-13 | 2015-10-27 | Intel IP Corporation | Compensation of oscillator frequency pulling |
US12028024B2 (en) * | 2019-12-06 | 2024-07-02 | Silicon Laboratories Inc. | System and method of mitigating interference caused by coupling from power amplifier to voltage-controlled oscillator |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5021754A (en) * | 1990-07-16 | 1991-06-04 | Motorola, Inc. | Fractional-N synthesizer having modulation spur compensation |
US5111162A (en) * | 1991-05-03 | 1992-05-05 | Motorola, Inc. | Digital frequency synthesizer having AFC and modulation applied to frequency divider |
US5493700A (en) * | 1993-10-29 | 1996-02-20 | Motorola | Automatic frequency control apparatus |
US5495206A (en) * | 1993-10-29 | 1996-02-27 | Motorola, Inc. | Fractional N frequency synthesis with residual error correction and method thereof |
FR2728410B1 (fr) * | 1994-12-16 | 1997-01-24 | Thomson Csf | Dispositif de synthese de frequence pour recepteur v/uhf large bande |
US5856766A (en) * | 1997-06-30 | 1999-01-05 | Motorola Inc. | Communication device with a frequency compensating synthesizer and method of providing same |
US6094569A (en) * | 1997-08-12 | 2000-07-25 | U.S. Philips Corporation | Multichannel radio device, a radio communication system, and a fractional division frequency synthesizer |
US6104222A (en) * | 1997-12-17 | 2000-08-15 | Sony Corporation | Flexible phase locked loop system |
EP0961412B1 (de) * | 1998-05-29 | 2004-10-06 | Motorola Semiconducteurs S.A. | Frequenzsynthetisierer |
DE10065657A1 (de) * | 2000-12-29 | 2002-07-04 | Thomas Musch | Kaskadierte Phasenregelkreise zur Linearisierung von Oszillatoren mit starkem Phasenrauschen |
DE10108636A1 (de) * | 2001-02-22 | 2002-09-19 | Infineon Technologies Ag | Abgleichverfahren und Abgleicheinrichtung für PLL-Schaltung zur Zwei-Punkt-Modulation |
US6553089B2 (en) * | 2001-03-20 | 2003-04-22 | Gct Semiconductor, Inc. | Fractional-N frequency synthesizer with fractional compensation method |
-
2004
- 2004-01-30 EP EP04290262A patent/EP1560336B1/de not_active Expired - Lifetime
- 2004-01-30 AT AT04290262T patent/ATE365397T1/de not_active IP Right Cessation
- 2004-01-30 DE DE602004007095T patent/DE602004007095T2/de not_active Expired - Lifetime
-
2005
- 2005-01-28 US US11/046,075 patent/US7109816B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US7109816B2 (en) | 2006-09-19 |
US20050175137A1 (en) | 2005-08-11 |
EP1560336A1 (de) | 2005-08-03 |
DE602004007095T2 (de) | 2007-10-11 |
DE602004007095D1 (de) | 2007-08-02 |
EP1560336B1 (de) | 2007-06-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |