AD7891AP-1 封装/外壳为44-LCC(J 形引线);包装为卷带(TR);类别为集成电路(IC)的ADC/DAC-特殊用途;产品描述:IC DAS 12BIT 500K 44PLCC 功能描述 LC2MOS 8-Channel, 12-Bit High Speed Data Acquisition System IC DAS 12BIT 500K 44PLCC 文件大小 ...
(1)∵M是AP的中点,N是PB的中点,∴MP= 1 2AP,PN= 1 2PB,∴MN=MP+PN= 1 2AP+ 1 2PB= 1 2(AP+PB)= 1 2AB,∵AB=20,∴MN= 1 2×20=10不变;(2)∵M是AP的中点,N是PB的中点,∴MP= 1 2AP,PN= 1 2PB,∴MN=MP-PN= 1 2AP- 1 2PB= 1 2(AP-PB)= 1 2AB,∵AB=20,∴MN=...