The 4-terminal measurement method is effective for low impedance measurements because it eliminates the influence of the measurement signal line's impedance!
This document presents the principles of the constant voltage measurement method. By applying a constant voltage between the Hi-pin and Low-pin, the current flowing between them is converted into voltage using an operational amplifier and a reference resistor. The voltage across the reference resistor is measured to determine the resistance value, which is the "constant voltage measurement method." The explanation includes diagrams, making it a useful reference. We encourage you to read it. 【Contents (excerpt)】 ■ Board mounting, quality, technology ■ Principle of two-terminal measurement method (constant voltage) ■ Principle of four-terminal measurement method (constant voltage) *For more details, please refer to the PDF document or feel free to contact us.
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