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DVM_IC_DRIVES_METER

2015-03-16 13:07  
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DVM_IC_DRIVES_METER
DVM_IC_DRIVES_METER
Uses Siliconix LD111 IC analog processor section of digital voltmeterIC pair to combine desirable features of digital voltmeter with signal-averaging advantages of ordinary meter. Input range covered is 10 mV to 3 V, with resistive divider being required for larger input voltage. Differential inputs each have 1-gigohm input impedance. Circuit requires only two 9-V batteries. Article describes operation in detail.-B. Harvey, Digital Voltmeter IC Drives Analog Meter, EDN Magazine, June 20, 1977, p 113.