1 4.3 A resistor, denoted as R₁, is added in series with the inductor in the circuit in Fig. 14.4(a). The new low- pass filter circuit is shown in Fig. P14.3. a) Derive the expression for H(s) where H(s) = V₂/V₁. b) At what frequency will the magnitude of H(jo) be maximum? c) What is the maximum value of the magnitude of H(ja)?

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1
14.3 A resistor, denoted as R₁, is added in series with the
inductor in the circuit in Fig. 14.4(a). The new low-
pass filter circuit is shown in Fig. P14.3.
a) Derive the expression for H(s) where
H(s) = Vo/V₁.
b) At what frequency will the magnitude of H(ja)
be maximum?
c) What is the maximum value of the magnitude
of H(jw)?
d) At what frequency will the magnitude of H(jw)
equal its maximum value divided by √2?
e) Assume a resistance of 300 2 is added in series
with the 50 mH inductor in the circuit in
Fig. P14.1. Find we, H(j0), H(jw), H(j0.2wc),
and H(j5wc).
R₁
L
+
+
1
www
{R
No
Transcribed Image Text:1 14.3 A resistor, denoted as R₁, is added in series with the inductor in the circuit in Fig. 14.4(a). The new low- pass filter circuit is shown in Fig. P14.3. a) Derive the expression for H(s) where H(s) = Vo/V₁. b) At what frequency will the magnitude of H(ja) be maximum? c) What is the maximum value of the magnitude of H(jw)? d) At what frequency will the magnitude of H(jw) equal its maximum value divided by √2? e) Assume a resistance of 300 2 is added in series with the 50 mH inductor in the circuit in Fig. P14.1. Find we, H(j0), H(jw), H(j0.2wc), and H(j5wc). R₁ L + + 1 www {R No
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