惠斯登电桥.ewb

EWB经典实用列子

Electronics Workbench Circuit File
Version: 5
Charset: ANSI
Description: 
"                                                                                             惠斯登电桥" 
"    该电路量程分七挡,它能测量100m欧10M的电阻,其精确度0.5%." 
"    当被测电阻大于100K时,把开关接到下面,从而把67.5V的电池串入电路中.如果被测电阻小于100K,把开关接到上面,这时只6V电池供电.下面两个端子接待测电阻Rx,用S3选择量程.测试时调节R1使电流表指示零,然后接通中间的S2细调.当电流表指示为零时候读R1得到Rx电阻值." 
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EncryptionType: 2
UsingVectorGraphics: 0
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