The circuit in Figure 4B is a low-pass filter where C=0.47NF, R=1.5k2, R=2202 and R=64KN.

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just working on past exams so need help with the working out to see where I'm going wrong rather than just the answer.

The circuit in Figure 4B is a low-pass filter where C=0.47NF, R1=1.5kN, R=2202 and
R=64k2.
i.
Find the gain in decibels in the passband
Find the cut-off frequency.
ii.
iii.
Draw the frequency response curve showing the cut-off frequency.
R2
R1
RL
Vo
+
Transcribed Image Text:The circuit in Figure 4B is a low-pass filter where C=0.47NF, R1=1.5kN, R=2202 and R=64k2. i. Find the gain in decibels in the passband Find the cut-off frequency. ii. iii. Draw the frequency response curve showing the cut-off frequency. R2 R1 RL Vo +
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