This schematic of a circuit uses a comparator across the bridge

Authors	Alexander Bell
Main Document	Article «Program resistance in a bridge circuit»
Description	Figure 3
File Format / Size	PDF / 13 Kb
Document Language	English

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Article «Program resistance in a bridge circuit»

Figure 1. By measuring V_BRIDGE and adjusting R_EQ, you can balance a bridge circuit and calculate R_T
Figure 2. a) Programming the DAC's output voltage changes R_EQ, which can balance a bridge circuit. b) Equivalent circuit
Figure 3. This schematic of a circuit uses a comparator across the bridge

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