电能计量及管理

TM9937是静止式三相电子电度表专用集成电路，电路采用CMOS 工艺制造。电路设计先进，内部集成有电流缓冲放大器，乘法器， A/D转换器等电路。本品性能优良，质量安全可靠。封装采用SOP24封装。 \n\n\t• 精确测量单相，二相和三相的功率和电能\n\n• 可测量正负两个方向的有功功率，且有负方向指示\n\n• 跳变小，线性度高，动态工作范围宽\n\n• 采用电流互感器作为电流取样\n\n• 具有防潜动功能，低功耗\n\n• F1和F2可直接驱动步进电机\n\n• CF校验脉冲输出，可用MCU处理\n\n• 芯片消耗功率小于15mW\n\n• 芯片内置振荡器，降低系统成本;

Three-phase electron-electrIc circuit

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CCD Signal Processor with Precision Timing??Generator

GENERAL DESCRIPTION The AD9937 is a highly integrated CCD signal processor. It includes a complete analog front end with A/D conversion, combined with a full-function programmable timing generator. A Precision Timing core allows adjustment of high speed clocks with 1.7 ns resolution at 12 MHz ope

CCD Signal Processor with Precision Timing??Generator

GENERAL DESCRIPTION The AD9937 is a highly integrated CCD signal processor. It includes a complete analog front end with A/D conversion, combined with a full-function programmable timing generator. A Precision Timing core allows adjustment of high speed clocks with 1.7 ns resolution at 12 MHz ope

120-MHz On-Screen Display for Monitors including PictureBooSTTM and 4 True Independent Window Displays

文件：441.4 Kbytes Page：49 Pages

120-MHz On-Screen Display for Monitors including PictureBooSTTM and 4 True Independent Window Displays

文件：441.4 Kbytes Page：49 Pages

120-MHz On-Screen Display for Monitors including PictureBooSTTM and 4 True Independent Window Displays

文件：441.4 Kbytes Page：49 Pages