Figure 1 Assume r e ' = 15 ▲.
-Refer to Figure 1. If the RE1 is changed to a 33 ▲ resistor, the upper cutoff frequency
A)increases
B)decreases
C)is unaffected

Question

Figure 1 Assume r e ' = 15 ▲.
-Refer to Figure 1. If the RE1 is changed to a 33 ▲ resistor, the upper cutoff frequency
A)increases 
B)decreases 
C)is unaffected

Quizplus · Accepted Answer

Changing RE1 to a 33Ω resistor increases the resistance in the circuit, which decreases the upper cutoff frequency. This is because the cutoff frequency is inversely proportional to the resistance in the feedback path of the circuit.

Figure 1 Assume Re' = 15 ▲

Figure 1 Assume R_e' = 15 ▲