U1 is a multi-pole (e.g., 74AC04 hex inverter) PMW switch where op-amp A1 forces switch zero state to accurately track 0 = zero volts, op-amp A2 does the job for 1 = VDD
| Authors | Stephen Woodward |
| Main Document | Article «Brute force mitigation of PWM VDD and ground "saturation" errors» |
| Description | Figure 1 |
| File Format / Size | PDF / 14 Kb |
| Document Language | English |
Other Materials from the Main Document
- Article «Brute force mitigation of PWM VDD and ground "saturation" errors»
- Figure 1. U1 is a multi-pole (e.g., 74AC04 hex inverter) PMW switch where op-amp A1 forces switch zero state to accurately track 0 = zero volts, op-amp A2 does the job for 1 = VDD
- Figure 2. A practical source for V+ and V- set R1 and R2 = 200k for ∆ = 1 volt
