TABLE 7.1 Some Standard Rectangular WaveguidesWaveguidedesignationa (in)b (in)t (in)fe, (GHz) Frequency range (GHz)10WR9759.7504.8750.1250.6050.75-1.12WR6506.5003.2500.0800.9081.12–1.70WR4304.3002.1500.0801.3751.70-2.60WR2842.8401.3400.0802.082.60–3.95WR1871.8720.8720.0643.163.95-5.85WR1371.3720.6220.0644.295.85-8.20WR900.9000.4500.0506.568.2–12.4WR620.6220.3110.0409.4912.4–18 2) Find the first 4 modes of cut off frequency for the wave guide WR187.With the help of table givenbelow.

From given table Waveguide designation For the wave guide WR187, a = 1.872 in = 1.872×2.54=4.75488…

Answered: 2) Find the first 4 modes of cut off…

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2) Find the first 4 modes of cut off frequency for the wave guide WR187.With the help of table given below.

Introductory Circuit Analysis (13th Edition)

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Graph theory

It is that part of network analysis where the configuration is called graph or structure of the network system when all of the elements (e.g., R, L, and C) in a network system are substituted with lines having circles/rings or dots across both endpoints. The study of the solution of the networks and circuits with the help of graphs is known as graph theory. The objective is to know the mathematics behind the network analysis.

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TABLE 7.1 Some Standard Rectangular Waveguides
Waveguide
designation
a (in)
b (in)
t (in)
fe, (GHz) Frequency range (GHz)
10
WR975
9.750
4.875
0.125
0.605
0.75-1.12
WR650
6.500
3.250
0.080
0.908
1.12–1.70
WR430
4.300
2.150
0.080
1.375
1.70-2.60
WR284
2.840
1.340
0.080
2.08
2.60–3.95
WR187
1.872
0.872
0.064
3.16
3.95-5.85
WR137
1.372
0.622
0.064
4.29
5.85-8.20
WR90
0.900
0.450
0.050
6.56
8.2–12.4
WR62
0.622
0.311
0.040
9.49
12.4–18

2) Find the first 4 modes of cut off frequency for the wave guide WR187.With the help of table given
below.

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