An RF front-end circuit for a fully integrated CMOS DTV tuner is presented in this paper, where double-conversion low IF architecture is employed.

该电路采用二次变频低中频结构，集成了低噪声放大器、上变频混频器、下变频混频器等模块。

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Hardware designs the interface circuit between ATmegal280 and GPS. electronic compass, inclinometer, beacon receiver or digital tuner, including DC motor drive, button, display peripheral circuits.

详细介绍了GPS、电子罗盘、数字高频头、信标接收机、直流电机驱动、按键、显示、通信等关键硬件电路设计。

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Hardware designs the interface circuit between ATmegal280 and GPS. electronic compass, inclinometer, beacon receiver or digital tuner, including DC motor drive, button, display peripheral circuits.

详细介绍了GPS、电子罗盘、数字高频头、信标接收机、直流电机驱动、按键、显示、通信等关键硬件电路设计。

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