An active current source mirror. This is identical to Figure 1, except this Q1 is a PFET and the polarities are swapped
| Authors | Stephen Woodward |
| Main Document | Article «Active current mirror» |
| Description | Figure 2 |
| File Format / Size | PDF / 7 Kb |
| Document Language | English |
Other Materials from the Main Document
- Article «Active current mirror»
- Figure 1. An active current sink mirror. Assuming resistor equality and negligible A1 offset error, A1 feedback forces Q1 to maintain accurate current sink I/O equality I2 = I1
- Figure 2. An active current source mirror. This is identical to Figure 1, except this Q1 is a PFET and the polarities are swapped
- Figure 3. If adequately accurate resistors aren't handy, a trimmer pot might be useful for post-assembly trimming