Q1 and Q3 current mirror, regulator Z1, and BJT Q1 comprise precision 2-wire current source. The source current is 1.05·1.24/R1, or 1.30/R1. * = 0.1% precision resistor
| Authors | Stephen Woodward |
| Main Document | Article «SCR topology transmogrifies into BJT two-wire precision current source» |
| Description | Figure 2 |
| File Format / Size | PDF / 9 Kb |
| Document Language | English |
Other Materials from the Main Document
- Article «SCR topology transmogrifies into BJT two-wire precision current source»
- Figure 1. SCR positive feedback loop suggests an unlikely basis for a BJT current source
- Figure 2. Q1 and Q3 current mirror, regulator Z1, and BJT Q1 comprise precision 2-wire current source. The source current is 1.05·1.24/R1, or 1.30/R1. * = 0.1% precision resistor
- Figure 3. Accurate, robust, fast acting, self-resetting, fault current limiter where Ilimit = 1.25/R1