For the npn bipolar transistor, the collector current swings
from 2 mA to 5 mA as the base current is changed from 5 μA to 15
μA. Find the current gain, β. [4 marks] iii. Explain what the load
line is and explain the difference between DC and AC load lines. [4
marks] iv. Use load lines to explain how the negative and positive
peaks of Vout are clipped. [4 marks] v. Explain the difference
between the ‘maximum deliverable power’ and the supplied dc power.
[4 Marks] vi. Fig. QA3 shows one typical collector curve (Vce ~ Ic)
for a BJT. a. Identify three different regions in the curve. [3
Marks] b. Explain which region should be used for amplification
1 (65.79 KiB) Viewed 42 times
ii. iii. iv. For the npn bipolar transistor, the collector current swings from 2 mA to 5 mA as the base current is changed from 5 uA to 15 uA. Find the current gain, B. [4 marks] Explain what the load line is and explain the difference between DC and AC load lines. [4 marks] Use load lines to explain how the negative and positive peaks of Vout are clipped. [4 marks] Explain the difference between the 'maximum deliverable power' and the supplied dc power. [4 Marks] Fig. QA3 shows one typical collector curve (Vce Ic) for a BJT. a. Identify three different regions in the curve. [3 Marks) b. Explain which region should be used for amplification. [3 Marks) Ic V. vi. 1b = 10LA 1mA Vce 1V 40V
Join a community of subject matter experts. Register for FREE to view solutions, replies, and use search function. Request answer by replying!