CN103368563B - 一种锁相环频率调谐装置及方法 - Google Patents
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Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
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US9605995B2 (en) | 2013-11-08 | 2017-03-28 | Apple Inc. | Wobble detection via software defined phase-lock loops |
CN104579330A (zh) * | 2015-01-20 | 2015-04-29 | 北京华强智连微电子有限责任公司 | 一种锁相环的两步自动频率校准电路和方法 |
CN109787374B (zh) * | 2019-03-18 | 2022-06-10 | 重庆邮电大学 | 能自调谐阻抗的谐振式无线电能传输系统及控制方法 |
GB2595971B (en) * | 2020-06-12 | 2022-09-21 | Tymphany Acoustic Tech Ltd | Earphone body with tuned vents |
CN112737576B (zh) * | 2020-12-16 | 2023-12-12 | 深圳市紫光同创电子有限公司 | 选频电路 |
CN112910460A (zh) * | 2021-01-18 | 2021-06-04 | 龙迅半导体(合肥)股份有限公司 | 一种锁相环及相关装置 |
CN112994689A (zh) * | 2021-03-04 | 2021-06-18 | 成都博芯联科科技有限公司 | 一种用于锁相环电路的环路调谐电压预置钳位电路 |
CN113054910B (zh) * | 2021-03-11 | 2023-03-21 | 四川中微芯成科技有限公司 | 电容振荡电路、电容检测电路及检测方法 |
CN113082502B (zh) * | 2021-04-06 | 2022-10-04 | 武汉光燚激光科技有限公司 | 超声波皮肤治疗仪 |
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CN1380749A (zh) * | 2001-04-10 | 2002-11-20 | 日本电气株式会社 | 锁相检测电路 |
CN101807914A (zh) * | 2009-07-21 | 2010-08-18 | 清华大学 | 采用键合线作为振荡器电感的频率自校正锁相环 |
CN101951259A (zh) * | 2010-08-26 | 2011-01-19 | 上海南麟电子有限公司 | 锁相环及其自动频率校准电路、锁相环自调谐锁定方法 |
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JPH07147538A (ja) * | 1993-11-22 | 1995-06-06 | Sanyo Electric Co Ltd | Pll回路 |
US6975176B2 (en) * | 2003-11-20 | 2005-12-13 | Agilent Technologies, Inc. | Self-tuning varactor system |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN1380749A (zh) * | 2001-04-10 | 2002-11-20 | 日本电气株式会社 | 锁相检测电路 |
CN101807914A (zh) * | 2009-07-21 | 2010-08-18 | 清华大学 | 采用键合线作为振荡器电感的频率自校正锁相环 |
CN101951259A (zh) * | 2010-08-26 | 2011-01-19 | 上海南麟电子有限公司 | 锁相环及其自动频率校准电路、锁相环自调谐锁定方法 |
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Address after: 3 / F, C1 area, innovation building, 182 science Avenue, Science City, Guangzhou, Guangdong 510663 Patentee after: Guangzhou Ankai Microelectronics Co.,Ltd. Address before: 3 / F, C1 area, innovation building, 182 science Avenue, Science City, Guangzhou, Guangdong 510663 Patentee before: ANYKA (GUANGZHOU) MICROELECTRONICS TECHNOLOGY Co.,Ltd. |
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