MCQOPTIONS
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| 1. |
A Darlington pair has β = 300. If RE = 1 kΩ and RL = 100 Ω, the input impedance at the base is approximately |
| A. | 300 k ohm |
| B. | 3 k ohm |
| C. | 100 k ohm |
| D. | 30 k ohm |
| Answer» C. 100 k ohm | |