Dpot U1 runs in straightforward voltage-division potentiometer mode with unity-gain buffer A1 providing isolation from output loading. So everything should be nicely ideal with VOUT = VIN(RWA/RBA)
| Authors | Stephen Woodward |
| Main Document | Article «Nifty nulling of non-negligible dpot "scale" errors» |
| Description | Figure 1 |
| File Format / Size | PDF / 13 Kb |
| Document Language | English |
Other Materials from the Main Document
- Article «Nifty nulling of non-negligible dpot "scale" errors»
- Figure 1. Dpot U1 runs in straightforward voltage-division potentiometer mode with unity-gain buffer A1 providing isolation from output loading. So everything should be nicely ideal with VOUT = VIN(RWA/RBA)
- Figure 2. If R1 = R2 × (scale error) then the errors disappear and VOUT = VIN(RWA/RBA)