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
| Authors | Stephen Woodward |
| Main Document | Article «ΔVbe thermometer outputs 1 mV/°C without calibration or op amps» |
| Description | Figure 1 |
| File Format / Size | PDF / 20 Kb |
| Document Language | English |
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