
Figure 5
Refer to Figure 5. Explain the purpose of
R1 and
R2◦
R1 and
R2 are the bias resistors of
Q2◦
R1 is the output resistance of
Q1;
R2 is the input resistance of
Q2◦
R1 is the input resistance of
Q2;
R2 is the output resistance of
Q1◦
R1 and
R2 are the collector and emitter resistors of
Q1