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This precision voltage reference …
This precision voltage reference converts Kelvin to Celsius
Authors
Stephen Woodward
Main Document
Article «
ΔVbe thermometer outputs 1 mV/°C without calibration or op amps
»
Description
Figure 2
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English
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Other Materials from the Main Document
Article «
ΔVbe thermometer outputs 1 mV/°C without calibration or op amps
»
Figure 1. Switch U1a and current mirror Q2Q3 apply an excitation current ratio of 10.23:1 to the 5 sensor transistor series array. This creates a 5 × 200 µV/°C = 1 mV/°C AC signal synchronously rectified by U1c
Figure 2. This precision voltage reference converts Kelvin to Celsius
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