02 (a) Figure Q2(a) shows a Frequency Modulation (FM) generator circuit which is based on direct FM system. The circuit produces V (1)=15cos (3x10°t + 4 sin(27×10't)) 3 rom (iii) Identify the modulation index. (iv) Write the carrier instantaneous equation for the circuit. (v) Calculate the actual and approximate bandwidths. (vi) Analyze the total FM power if a 50 2 cable is connected to a spectrum analyzer.

Introductory Circuit Analysis (13th Edition)
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Publisher:Robert L. Boylestad
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Q2
(a) Figure Q2(a) shows a Frequency Modulation (FM) generator circuit which is based
on direct FM system. The circuit produces
(iii)
(iv)
(v)
(vi)
V (1)= 15 cos (3×10°t+4 sin(27×10²t))
Identify the modulation index.
Write the carrier instantaneous equation for the circuit.
Calculate the actual and approximate bandwidths.
Analyze the total FM power if a 50 2 cable is connected to a spectrum
analyzer.
a
AMI
Transcribed Image Text:Q2 (a) Figure Q2(a) shows a Frequency Modulation (FM) generator circuit which is based on direct FM system. The circuit produces (iii) (iv) (v) (vi) V (1)= 15 cos (3×10°t+4 sin(27×10²t)) Identify the modulation index. Write the carrier instantaneous equation for the circuit. Calculate the actual and approximate bandwidths. Analyze the total FM power if a 50 2 cable is connected to a spectrum analyzer. a AMI
Modulating
signal input
C₂
RFC
m
411
Voc
ross
C Crystal
S4
C₂
Hot
VD,
Figure Q2(a)
a
RFC
C₂
HH
-OFM output
Transcribed Image Text:Modulating signal input C₂ RFC m 411 Voc ross C Crystal S4 C₂ Hot VD, Figure Q2(a) a RFC C₂ HH -OFM output
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