3 . select chips , make schematic circuit diagram of the receiver for dtv 根據(jù)要求選擇芯片,構建硬件系統(tǒng),設計相應的原理圖。
The design of schematic circuit and printed circuit board is completed with protel 電路板原理圖和印刷電路板的設計都是用protel完成的。
We give schematic circuit diagram of hardware , communication protocol , software flow - chars and experiment data , and the measuring result data of low voltage experiments as well 本文詳細地給出了系統(tǒng)硬件設計方法、通信協(xié)議以及軟件工作流程圖。并給出了系統(tǒng)低壓模擬試驗的測量數(shù)據(jù)。
Thirdly , gprs terminal hardware design method including the main part schematic circuit and pcb design method was presented , in addition , the detailed hardware debugging also was given at last 第三,詳細介紹了基于rabbit2000的gprs終端硬件設計思路,并給出主要硬件單元電路設計的原理圖及其pcb板設計方法,同時也詳細給出其硬件焊接、調(diào)試過程。