Log (red) and linear (black) plot of source current versus PWM
| Authors | Stephen Woodward |
| Main Document | Article «5 decade antilogarithmic PWM current source» |
| Description | Figure 5 |
| File Format / Size | PDF / 8 Kb |
| Document Language | English |
Other Materials from the Main Document
- Article «5 decade antilogarithmic PWM current source»
- Figure 1. Antilogarithmic 8-bit PWM gives s constant incremental ~5% per lsbit. Asterisked parts are 1% or better precision (metal film or C0G)
- Figure 2. TW = antilog RTCT timeout = 1 to 250 counts = 2 to 500 µs, where PWM - see figure
- Figure 3. A minimal 5-decade sawtooth oscillator that enables final conversion of the resulting 5-decade current source to a 5-decade frequency output
- Figure 4. Maximal 5-decade sawtooth oscillator, using Christopher Paul's DI (Ref. 1)
- Figure 5. Log (red) and linear (black) plot of source current versus PWM