CN102045061B - 锁相回路的回路频宽控制装置及回路频宽控制方法 - Google Patents
锁相回路的回路频宽控制装置及回路频宽控制方法 Download PDFInfo
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- CN102045061B CN102045061B CN 200910178329 CN200910178329A CN102045061B CN 102045061 B CN102045061 B CN 102045061B CN 200910178329 CN200910178329 CN 200910178329 CN 200910178329 A CN200910178329 A CN 200910178329A CN 102045061 B CN102045061 B CN 102045061B
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CN 200910178329 CN102045061B (zh) | 2009-10-16 | 2009-10-16 | 锁相回路的回路频宽控制装置及回路频宽控制方法 |
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CN102045061A CN102045061A (zh) | 2011-05-04 |
CN102045061B true CN102045061B (zh) | 2013-04-24 |
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CN110968146A (zh) * | 2019-12-12 | 2020-04-07 | 深圳星河半导体技术有限公司 | 一种用于锁相回路的电荷帮浦电路 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4789996A (en) * | 1988-01-28 | 1988-12-06 | Siemens Transmission Systems, Inc. | Center frequency high resolution digital phase-lock loop circuit |
CN1129369A (zh) * | 1994-11-03 | 1996-08-21 | 摩托罗拉公司 | 降低电荷泵电路内传输门的栅极电压的电路和方法 |
CN1815892A (zh) * | 2005-01-31 | 2006-08-09 | 瑞昱半导体股份有限公司 | 一种检测相位误差并产生控制信号的电路 |
EP1693967A1 (en) * | 2003-12-10 | 2006-08-23 | Matsushita Electric Industrial Co., Ltd. | Delta-sigma type fraction division pll synthesizer |
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Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4789996A (en) * | 1988-01-28 | 1988-12-06 | Siemens Transmission Systems, Inc. | Center frequency high resolution digital phase-lock loop circuit |
CN1129369A (zh) * | 1994-11-03 | 1996-08-21 | 摩托罗拉公司 | 降低电荷泵电路内传输门的栅极电压的电路和方法 |
EP1693967A1 (en) * | 2003-12-10 | 2006-08-23 | Matsushita Electric Industrial Co., Ltd. | Delta-sigma type fraction division pll synthesizer |
CN1815892A (zh) * | 2005-01-31 | 2006-08-09 | 瑞昱半导体股份有限公司 | 一种检测相位误差并产生控制信号的电路 |
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Effective date of registration: 20201030 Address after: No. 1, Xingzhu Road, Hsinchu Science Park, Taiwan, China Patentee after: MEDIATEK Inc. Address before: 405, 4th floor, 1st District, Shenzhen Bay science and technology ecological park, Aohai street, Nanshan District, Shenzhen City, Guangdong Province Patentee before: Mstar Semiconductor,Inc. Patentee before: MEDIATEK Inc. Effective date of registration: 20201030 Address after: 405, 4th floor, 1st District, Shenzhen Bay science and technology ecological park, Aohai street, Nanshan District, Shenzhen City, Guangdong Province Patentee after: Mstar Semiconductor,Inc. Patentee after: MEDIATEK Inc. Address before: 4 building 518057, block C, Institute of international technology innovation, South tech ten road, Shenzhen hi tech Zone, Guangdong Patentee before: Mstar Semiconductor,Inc. Patentee before: MSTAR SEMICONDUCTOR Inc. |
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