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Yimin DING
Meng Qingyun, Ding Yimin, Sheng Jinggang, Huang Jinhuang, Xu Lei: A demodulation method and device for non contact ic card load modulation data. Beijing Tongfang Microelectronics, May 28, 2008: CN200610114557

A demodulation method and a device thereof for modulation data of non-contact IC card loads relate to the technical field of IC cards. The device of the invention comprises an A/D converter and a threshold decision device. A simulation signal is input by the A/D converter, and the threshold decision ...


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Yimin DING
Tai Xiaopeng, Huo Junjie, Sheng Jinggang, Hou Yan, Ding Yimin: Modulation circuit for noncontact IC (Integrated Circuit) card. Beijing Tongfang Microelectronics, August 29, 2012: CN201110045877

The invention discloses a modulation circuit for a noncontact IC (Integrated Circuit) card, which relates to the technical field of noncontact IC card communication. The modulation circuit comprises a positive modulation unit, a negative modulation unit and a modulation control unit, wherein the pos ...


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Yimin DING
Ding Yimin, Huo Junjie, Meng Qingyun, Sheng Jinggang, Tai Xiaopeng: Near field communication radio frequency interface integrated circuit. Beijing Tongfang Microelectronics, June 16, 2010: CN200810226290

The invention provides a near field communication radio frequency interface integrated circuit and relates to the technical field of near field communication (NFC). The integrated circuit comprises a reader-writer transmission circuit, a RFID power circuit, a transmission/receive antenna and an ante ...


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Yimin DING
Huang Jinhuang, Sheng Jinggang, Ding Yimin, Xu Lei, Huo Junjie, Hou Shujun, Meng Qingyun: A logic unit for oppositional differential power consumption analysis. Beijing Tongfang Microelectronics, May 28, 2008: CN200610114558

A logic unit confronting differential power analysis relates to the technical field of IC card safety and special device encryption. One output end with 01 output of a first power balance module of the invention and a random signal sel are connected to the input end of a first AND gate, and the othe ...


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Yimin DING
Yue Chao, Sheng Jinggang, Yao Jinke, Fan Minghao, Huo Junjie, Ding Yimin, Song Yi: Chip-scale latch-up over-current protection circuit independent of power supply module. Beijing Tongfang Microelectronics, August 29, 2012: CN201110045697

A chip-scale latch-up over-current protection circuit independent of a power supply module relates to the field of integrated circuits and comprises a heavy current switching module, an equal-proportion current detection module, a judgment module and a self-start module, wherein a power supply PAD i ...