CN102325108B - 用于直接fm/pm调制的系统、方法、电子设备 - Google Patents
用于直接fm/pm调制的系统、方法、电子设备 Download PDFInfo
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- CN102325108B CN102325108B CN201110132636.8A CN201110132636A CN102325108B CN 102325108 B CN102325108 B CN 102325108B CN 201110132636 A CN201110132636 A CN 201110132636A CN 102325108 B CN102325108 B CN 102325108B
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- signal
- frequency
- divider
- frequency divider
- modulation
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- 238000000034 method Methods 0.000 title claims description 32
- 238000004891 communication Methods 0.000 claims description 54
- 238000007493 shaping process Methods 0.000 claims description 17
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 abstract description 14
- 238000010586 diagram Methods 0.000 description 14
- 238000005516 engineering process Methods 0.000 description 12
- 230000005540 biological transmission Effects 0.000 description 8
- 238000012545 processing Methods 0.000 description 6
- 230000006870 function Effects 0.000 description 5
- 239000013078 crystal Substances 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000001413 cellular effect Effects 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 101100115215 Caenorhabditis elegans cul-2 gene Proteins 0.000 description 1
- 101100171060 Caenorhabditis elegans div-1 gene Proteins 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000011045 prefiltration Methods 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C3/00—Angle modulation
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Abstract
Description
Claims (16)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/757,274 US8554159B2 (en) | 2010-04-09 | 2010-04-09 | Direct FM/PM modulation |
US12/757274 | 2010-04-09 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102325108A CN102325108A (zh) | 2012-01-18 |
CN102325108B true CN102325108B (zh) | 2014-09-17 |
Family
ID=44761276
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201110132636.8A Active CN102325108B (zh) | 2010-04-09 | 2011-04-08 | 用于直接fm/pm调制的系统、方法、电子设备 |
Country Status (3)
Country | Link |
---|---|
US (1) | US8554159B2 (zh) |
CN (1) | CN102325108B (zh) |
DE (1) | DE102011007000A1 (zh) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8803627B1 (en) | 2013-12-03 | 2014-08-12 | Innophase Inc. | Wideband direct DCO modulator with in-band compensation |
CN113325409B (zh) * | 2016-04-05 | 2023-10-20 | 三菱电机株式会社 | 频率调制电路、fm-cw雷达及高速调制雷达 |
US11658678B2 (en) | 2020-08-10 | 2023-05-23 | Analog Devices, Inc. | System and method to enhance noise performance in a delta sigma converter |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1983819A (zh) * | 2005-12-17 | 2007-06-20 | Atmel德国有限公司 | Pll频率发生器 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4755774A (en) * | 1985-07-15 | 1988-07-05 | Motorola Inc. | Two-port synthesizer modulation system employing an improved reference phase modulator |
GB2354649A (en) * | 1999-09-22 | 2001-03-28 | Cadence Design Systems Inc | Method and apparatus for generating a modulated radio frequency output signal |
US6681101B1 (en) * | 2000-01-11 | 2004-01-20 | Skyworks Solutions, Inc. | RF transmitter with extended efficient power control range |
EP1178601B1 (en) * | 2000-08-04 | 2005-02-16 | Freescale Semiconductor, Inc. | Frequency modulation using a digital filter for baseband waveshaping |
DE10205680B4 (de) * | 2002-02-12 | 2010-06-02 | Infineon Technologies Ag | Ein-Punkt-Modulator mit PLL-Schaltung |
US8301086B2 (en) * | 2002-10-04 | 2012-10-30 | Quintic Holdings | Low-power polar transmitter |
CN101292419B (zh) * | 2005-10-21 | 2011-06-22 | 松下电器产业株式会社 | Fm调制器 |
JP2007221773A (ja) * | 2006-01-19 | 2007-08-30 | Matsushita Electric Ind Co Ltd | Pll変調回路、無線送信装置及び無線通信装置 |
US8467473B2 (en) * | 2006-03-31 | 2013-06-18 | Broadcom Corporation | Power control techniques for wireless transmitters |
US8655296B2 (en) * | 2007-12-18 | 2014-02-18 | Harris Corporation | Frequency synthesizer and related method for generating wideband signals |
US8442466B2 (en) * | 2009-06-26 | 2013-05-14 | Qualcomm Incorporated | FM transmitter with a delta-sigma modulator and a phase-locked loop |
-
2010
- 2010-04-09 US US12/757,274 patent/US8554159B2/en not_active Expired - Fee Related
-
2011
- 2011-04-07 DE DE102011007000A patent/DE102011007000A1/de active Pending
- 2011-04-08 CN CN201110132636.8A patent/CN102325108B/zh active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1983819A (zh) * | 2005-12-17 | 2007-06-20 | Atmel德国有限公司 | Pll频率发生器 |
Also Published As
Publication number | Publication date |
---|---|
US20110250856A1 (en) | 2011-10-13 |
US8554159B2 (en) | 2013-10-08 |
DE102011007000A1 (de) | 2011-12-29 |
CN102325108A (zh) | 2012-01-18 |
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