CN101488842B - 信号环回方法、串并/并串转化器、芯片及印制电路板 - Google Patents
信号环回方法、串并/并串转化器、芯片及印制电路板 Download PDFInfo
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- CN101488842B CN101488842B CN2009100786155A CN200910078615A CN101488842B CN 101488842 B CN101488842 B CN 101488842B CN 2009100786155 A CN2009100786155 A CN 2009100786155A CN 200910078615 A CN200910078615 A CN 200910078615A CN 101488842 B CN101488842 B CN 101488842B
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CN101488842A CN101488842A (zh) | 2009-07-22 |
CN101488842B true CN101488842B (zh) | 2011-12-28 |
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CN101834625B (zh) * | 2010-04-23 | 2012-03-21 | 华为技术有限公司 | 射频信号环回方法及室外单元 |
CN114039877B (zh) * | 2021-10-12 | 2023-06-30 | 深圳市紫光同创电子有限公司 | 环回测试电路、并串行与串并行转换器及环回测试方法 |
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Publication number | Priority date | Publication date | Assignee | Title |
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US20040218665A1 (en) * | 2002-01-09 | 2004-11-04 | Takashige Baba | Signal transmit-receive device, circuit, and loopback test method |
US20060059397A1 (en) * | 2004-09-06 | 2006-03-16 | Martin Brox | Loop-back method for measuring the interface timing of semiconductor devices with the aid of signatures and/or parity methods |
US20080235405A1 (en) * | 2007-03-19 | 2008-09-25 | Shinji Sakaguchi | USB controller and a testing method of the USB controller |
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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US20040218665A1 (en) * | 2002-01-09 | 2004-11-04 | Takashige Baba | Signal transmit-receive device, circuit, and loopback test method |
US20060059397A1 (en) * | 2004-09-06 | 2006-03-16 | Martin Brox | Loop-back method for measuring the interface timing of semiconductor devices with the aid of signatures and/or parity methods |
US20080235405A1 (en) * | 2007-03-19 | 2008-09-25 | Shinji Sakaguchi | USB controller and a testing method of the USB controller |
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Effective date of registration: 20201120 Address after: 215500 No.13, Caotang Road, Changshu, Suzhou, Jiangsu Province Patentee after: Changshu intellectual property operation center Co.,Ltd. Address before: Unit 2414-2416, main building, no.371, Wushan Road, Tianhe District, Guangzhou City, Guangdong Province Patentee before: GUANGDONG GAOHANG INTELLECTUAL PROPERTY OPERATION Co.,Ltd. Effective date of registration: 20201120 Address after: Unit 2414-2416, main building, no.371, Wushan Road, Tianhe District, Guangzhou City, Guangdong Province Patentee after: GUANGDONG GAOHANG INTELLECTUAL PROPERTY OPERATION Co.,Ltd. Address before: 518129 Bantian HUAWEI headquarters office building, Longgang District, Guangdong, Shenzhen Patentee before: HUAWEI TECHNOLOGIES Co.,Ltd. |
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Address after: 215500 5th floor, building 4, 68 Lianfeng Road, Changfu street, Changshu City, Suzhou City, Jiangsu Province Patentee after: Changshu intellectual property operation center Co.,Ltd. Address before: 215500 No.13, Caotang Road, Changshu, Suzhou, Jiangsu Province Patentee before: Changshu intellectual property operation center Co.,Ltd. |
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Effective date of registration: 20220120 Address after: 215500 No.8, Menglan Road, Changshu City, Suzhou City, Jiangsu Province Patentee after: JIANGSU LEMOTE INFORMATION TECHNOLOGY CO.,LTD. Address before: 215500 5th floor, building 4, 68 Lianfeng Road, Changfu street, Changshu City, Suzhou City, Jiangsu Province Patentee before: Changshu intellectual property operation center Co.,Ltd. |