A badly designed switching circuit requiring the 2N2222 at Q1 to repeatedly dump the charge of capacitor C1 of 0.01 µF
| Authors | John Dunn |
| Main Document | Article «Safe operating area» |
| Description | Figure 1 |
| File Format / Size | PDF / 25 Kb |
| Document Language | English |
Other Materials from the Main Document
- Article «Safe operating area»
- Figure 1. A badly designed switching circuit requiring the 2N2222 at Q1 to repeatedly dump the charge of capacitor C1 of 0.01 µF
- Figure 2. The voltage versus current Lissajous pattern for Q1
- Figure 3. Safe operating area reconstruction of the 2N3053 and 2N3053A SOA chart taken from a very old datasheet from RCA
- Figure 4. SOA examination using logarithmic scaling
- Figure 5. The effects of reducing the capacitance of C1
- Figure 6. The effects of including a collector resistance