描述
信号在长线中传输会遇到三个问题:一是高速变化的信号在长线中传输时出现的波反射现象,二是具有信号延时,三是长线传输会遇到外界干扰。
GIDDINGS & LEWIS 501-04218-00 USPP 5010421800
GIDDINGS & LEWIS 502-03700-10 USPP 5020370010
G&L Giddings Lewis CNC 800 B&M Control System Manual
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Giddings & Lewis AC Input Board 502-02959-00
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Giddings & Lewis TTL Interface Board 572-02869-00
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