巴赫曼背板BS212
1）輸入、輸出信號(hào)的關(guān)系見圖5的a電路，為二進(jìn)一出模式。
2）電路傳輸?shù)氖菙?shù)字信號(hào)，即0和1，若為+5V供電，電路的靜態(tài)或即時(shí)電平，非5V即0V。
雖然為差分模式，但不宜用模擬電路的差分放大器來等效了——因?yàn)閭鬏數(shù)娜詾閿?shù)字電平信號(hào)。 這里我只能用異或門電路來勉為等效了——其棄同認(rèn)異的風(fēng)格，恰恰也符合了電路信號(hào)處理的規(guī)則。
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