Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN: 9780133923605
Author: Robert L. Boylestad
Publisher: PEARSON
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Solve q1 a part (iii) only in 20 minutes plz hurry i need it I attached the answer of ii part also plz hurry and take a thumb up
01:28
7:24
←
"TL-(
f=
Step2
b)
1
2T√ LC.
Given Vin- 10V,
from ohms law R = = ⇒
R=IK
Here L=C..
9=1
1000
-3
|||
fo=50MHZ given
I = lomA.
9=10
Band width (B.W)=
=
ii) The quality factor is expressed as
9= 2√√
F
50x10
10-3
B.W. 50x10¹ HZ.
XC=
fo
Q
= Infe
?
4G il 48%
10
loma.
(At resonance)
-=(2πTC)
√x
Do
8
expand button
Transcribed Image Text:01:28 7:24 ← "TL-( f= Step2 b) 1 2T√ LC. Given Vin- 10V, from ohms law R = = ⇒ R=IK Here L=C.. 9=1 1000 -3 ||| fo=50MHZ given I = lomA. 9=10 Band width (B.W)= = ii) The quality factor is expressed as 9= 2√√ F 50x10 10-3 B.W. 50x10¹ HZ. XC= fo Q = Infe ? 4G il 48% 10 loma. (At resonance) -=(2πTC) √x Do 8
Question 1
(a) A series RLC tuning circuit is excited at its resonant frequency of 50 MHz by 10V peak
amplitude. The maximum current passing through the circuit is 10 mA.
1. Plot the RLC circuit diagram with proper components values to operate at given
resonant frequency.
ii. Find the circuits quality factor and bandwidth.
iii.
iv.
What would be the current / passing through the circuit if the input frequency
was 30MHz?
Calculate the change in quality factor Q if the coil internal resistance is reduced
by a factor of 10. What effect would that have on the Bandwidth?
(b) An AC voltage source is connected to an RLC network as shown in Figure Q1 (b).
Calculate the frequency at which the network impedance rises to its highest value.
What value of current flows through the capacitor C at this frequency? Also, find a
suitable size of bandwidth that can be offered by the circuit when a 10k2 load resister
is connected in parallel with the circuit.
20uH
150mV
+
6.28ohm
rs
Figure Q1 (b)
79.15pF
expand button
Transcribed Image Text:Question 1 (a) A series RLC tuning circuit is excited at its resonant frequency of 50 MHz by 10V peak amplitude. The maximum current passing through the circuit is 10 mA. 1. Plot the RLC circuit diagram with proper components values to operate at given resonant frequency. ii. Find the circuits quality factor and bandwidth. iii. iv. What would be the current / passing through the circuit if the input frequency was 30MHz? Calculate the change in quality factor Q if the coil internal resistance is reduced by a factor of 10. What effect would that have on the Bandwidth? (b) An AC voltage source is connected to an RLC network as shown in Figure Q1 (b). Calculate the frequency at which the network impedance rises to its highest value. What value of current flows through the capacitor C at this frequency? Also, find a suitable size of bandwidth that can be offered by the circuit when a 10k2 load resister is connected in parallel with the circuit. 20uH 150mV + 6.28ohm rs Figure Q1 (b) 79.15pF
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