CN1731680B - 一种直接调制压控振荡器的频率调制器和调制方法 - Google Patents
一种直接调制压控振荡器的频率调制器和调制方法 Download PDFInfo
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- CN1731680B CN1731680B CN 200510028720 CN200510028720A CN1731680B CN 1731680 B CN1731680 B CN 1731680B CN 200510028720 CN200510028720 CN 200510028720 CN 200510028720 A CN200510028720 A CN 200510028720A CN 1731680 B CN1731680 B CN 1731680B
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CN1731680A CN1731680A (zh) | 2006-02-08 |
CN1731680B true CN1731680B (zh) | 2010-04-28 |
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Cited By (1)
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CN110850773A (zh) * | 2019-11-14 | 2020-02-28 | 北京和利时系统工程有限公司 | 一种采集信号的方法、装置、计算机存储介质及电子设备 |
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CN102193029B (zh) * | 2010-03-19 | 2013-05-01 | 上海市计量测试技术研究院 | 非常规采样时间短期频率稳定度测量方法 |
CN103957007B (zh) * | 2014-05-09 | 2017-05-03 | 武汉工程大学 | 低信噪比下任意波形的微弱信号检测方法及系统 |
CN104135280B (zh) * | 2014-06-26 | 2020-09-18 | 西安空间无线电技术研究所 | 一种谐波发生加混频的频率源电路 |
CN104242961B (zh) * | 2014-08-22 | 2016-05-25 | 上海磐启微电子有限公司 | 一种两点式无线发射机的频偏校准方法 |
CN104242929B (zh) * | 2014-09-01 | 2018-09-25 | 长沙景嘉微电子股份有限公司 | 一种带调制深度补偿的频率调制系统 |
CN104218948B (zh) * | 2014-09-01 | 2018-05-04 | 长沙景嘉微电子股份有限公司 | 一种实现宽范围调制深度补偿的频率调制系统 |
CN104300976B (zh) * | 2014-09-25 | 2018-05-04 | 长沙景嘉微电子股份有限公司 | 一种应用于多种码率通信、带调制深度补偿的频率调制系统 |
US9467156B2 (en) * | 2014-12-02 | 2016-10-11 | Mediatek Inc. | Frequency synthesizing module and related frequency gain determining method |
CN104767575B (zh) * | 2015-04-22 | 2017-04-19 | 清华大学 | 两点调制发射机中高通通路数模转换器的增益校准方法 |
CN106533460A (zh) * | 2016-11-01 | 2017-03-22 | 全球能源互联网研究院 | 一种无线发射机及其控制方法 |
CN109787561A (zh) * | 2019-01-30 | 2019-05-21 | 北京智芯微电子科技有限公司 | 线性调频信号的发生器 |
CN109831401B (zh) * | 2019-03-19 | 2021-04-13 | 西安电子科技大学 | 一种mimo体制中基于共参考的调制器及方法 |
CN110392010B (zh) * | 2019-07-29 | 2020-07-28 | 郑州工程技术学院 | 一种基于云计算的智能服务管理系统 |
CN110445491B (zh) * | 2019-09-02 | 2020-12-08 | 北京理工大学 | 一种基于预设频率及动态环路带宽的锁相环 |
US10979277B1 (en) * | 2019-12-31 | 2021-04-13 | Texas Instruments Incorporated | Carrier frequency recovery in a receiver |
CN114189249B (zh) * | 2022-02-14 | 2022-05-17 | 微龛(广州)半导体有限公司 | 开环小数分频器及时钟系统 |
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US4870384A (en) * | 1987-12-23 | 1989-09-26 | Marconi Instruments Limited | Frequency or phase modulation |
US4942374A (en) * | 1988-04-26 | 1990-07-17 | Japan Radio Co., Ltd. | Phase-locked loop type synthesizer having modulation function |
US5420543A (en) * | 1993-12-13 | 1995-05-30 | Motorola, Inc. | Method and apparatus for determining a constant gain of a variable oscillator |
CN1203708A (zh) * | 1995-11-30 | 1998-12-30 | 亚特兰大科技公司 | 带前馈的高稳定频率合成器环路 |
CN1286532A (zh) * | 1999-08-26 | 2001-03-07 | 阿尔卡塔尔公司 | 锁相环路频率合成器 |
CN1444338A (zh) * | 2002-03-12 | 2003-09-24 | 松下电器产业株式会社 | 频率调制器,频率调制方法,和无线电线路 |
US6856206B1 (en) * | 2001-06-25 | 2005-02-15 | Silicon Laboratories, Inc. | Method and apparatus for acquiring a frequency without a reference clock |
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2005
- 2005-08-12 CN CN 200510028720 patent/CN1731680B/zh not_active Expired - Fee Related
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4870384A (en) * | 1987-12-23 | 1989-09-26 | Marconi Instruments Limited | Frequency or phase modulation |
US4942374A (en) * | 1988-04-26 | 1990-07-17 | Japan Radio Co., Ltd. | Phase-locked loop type synthesizer having modulation function |
US5420543A (en) * | 1993-12-13 | 1995-05-30 | Motorola, Inc. | Method and apparatus for determining a constant gain of a variable oscillator |
CN1203708A (zh) * | 1995-11-30 | 1998-12-30 | 亚特兰大科技公司 | 带前馈的高稳定频率合成器环路 |
CN1286532A (zh) * | 1999-08-26 | 2001-03-07 | 阿尔卡塔尔公司 | 锁相环路频率合成器 |
US6856206B1 (en) * | 2001-06-25 | 2005-02-15 | Silicon Laboratories, Inc. | Method and apparatus for acquiring a frequency without a reference clock |
CN1444338A (zh) * | 2002-03-12 | 2003-09-24 | 松下电器产业株式会社 | 频率调制器,频率调制方法,和无线电线路 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110850773A (zh) * | 2019-11-14 | 2020-02-28 | 北京和利时系统工程有限公司 | 一种采集信号的方法、装置、计算机存储介质及电子设备 |
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Denomination of invention: Frequency modulator for directly modulating VCO and modulating method Effective date of registration: 20101027 Granted publication date: 20100428 Pledgee: Pudong Development Bank of Shanghai, Limited by Share Ltd, Wuxi branch Pledgor: Wuxi core core Electronics Co. Ltd|Cao Weixun Registration number: 2010990000940 |
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Date of cancellation: 20120418 Granted publication date: 20100428 Pledgee: Pudong Development Bank of Shanghai, Limited by Share Ltd, Wuxi branch Pledgor: Wuxi core core Electronics Co. Ltd|Cao Weixun Registration number: 2010990000940 |
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