Synthetic Dpot evades problems by using FET shunt, precision fixed resistors, and op-amp
| Authors | Stephen Woodward |
| Main Document | Article «Synthesize precision bipolar Dpot rheostats» |
| Description | Figure 2 |
| File Format / Size | PDF / 17 Kb |
| Document Language | English |
Other Materials from the Main Document
- Article «Synthesize precision bipolar Dpot rheostats»
- Figure 1. Classic adjustable resistance; RMAX = RS + RR; RMIN = RS
- Figure 2. Synthetic Dpot evades problems by using FET shunt, precision fixed resistors, and op-amp
- Figure 3. Simply paralleling complementary N and P channel MOSFETs might look good but won't work beyond a few hundred mV of |VA - VB|
- Figure 4. Two complementary anti-series FET pairs connected in parallel allow bipolar operation
