For the network of Fig. 1 for the network of Fig. 2 with the addition of a source resistance and signal source as shown in Fig. 3. Plot the gain and comment on the change in low-frequency cutoff as compared to problem.
a. Determine re.
b. Find = Vo/Vi.
c. Calculate Zi.
d. Determine fLS, fLC, and fLE.
e. Determine the low cutoff frequency.
f. Sketch the asymptotes of the Bode plot defined by the cutoff frequencies of part (d).
g. Sketch the low-frequency response for the amplifier using the results of part (e).
FIG. 1
FIG. 2
FIG. 3
Problem
For the network of Fig. 1:for the common-base configuration of Fig. 2. Keep in mind that the common-base configuration is a noninverting network when you consider the Miller effect.
a. Determine re.
b. Find = Vo/Vi.
c. Calculate Zi.
d. Determine fLS, fLC, and fLE.
e. Determine the low cutoff frequency.
f. Sketch the asymptotes of the Bode plot defined by the cutoff frequencies of part (d).
g. Sketch the low-frequency response for the amplifier using the results of part (e).
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