The apparatus use Lm336 as constant voltage source, and it been converted to constant - current source by amplification, which provide current for the Hall probe. The non-idiostatic offset circuit use the bridge method to offset the circuit. So while the magnetic density is null, the output voltage of Hall probe is null too.

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The Hall probe measurement circuit is mainly composed by the Hall probe, the non-idiostatic offset circuit, the signal amplification circuit, the automatic range conversion circuit and the A/D transducer circuit.

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idiostatic：同電位的

idioelectric 非導(dǎo)體能摩擦起電的物體 | idiostatic 同電位的 | idiostatic 同電位的等位差的

idiostatic：同電位的等位差的

idiostatic 同電位的 | idiostatic 同電位的等位差的 | idiosyncrasy 特性

idiostatic：等位差 等位差的 同電位差 同勢(shì)差

idiospasm局部痙攣 局部痙攣 | idiostatic等位差 等位差的 同電位差 同勢(shì)差 | idiostaticcircuit等位差電路

idiostatic：同電位的,等位差的,同勢(shì)差的

idiophanism | 自現(xiàn)干涉圖 | idiostatic | 同電位的,等位差的,同勢(shì)差的 | idiosyncracy | 特質(zhì),特性

idiostatic method：同位差法

60. identity tag 識(shí)別標(biāo)志 | 61. idiostatic method 同位差法 | 62. idle coil 死線圈