Question
In: Electrical Engineering
A 75Ω transmission line uses an insulating material with εr = 4. When terminated in an...
A 75Ω transmission line uses an insulating material with εr = 4. When terminated in an open circuit, how long the line has to be for its input impedance to be a 30μH inductance at 80MHz? What will be the value for 2GHz? What do you observe?
Solutions
Manojponduru answered 3 months agoRelated Solutions
Derive aformula for the input impedance of a terminated lossless transmission line.
Derive aformula for the input impedance of a terminated lossless
transmission line.
A lossless 50-Ω transmission line is terminated in a load with Z L = (35 −...
A lossless 50-Ω transmission line is terminated in a load
with
Z L = (35 − j47.5) Ω using a short circuited stub. Use the Smith
chart to determine position and
length line for the stub?
show step by step by hand and draw by hand
I want details so I can understand
A lossless 50-Ω transmission line is terminated in a load with Z L = (35 −...
A lossless 50-Ω transmission line is terminated in a load
with
Z L = (35 − j47.5) Ω using a short circuited stub. Use the Smith
chart to determine position and
length line for the stub?
show step by step
I want details so I can understand
Derive the input impedance of the transmission line of Z0, length ‘l’ and terminated with Zl.
Derive the input impedance of the transmission line of Z0,
length ‘l’ and terminated with Zl.
A lossless transmission line of length l=0.4? is terminated with a complex load impedance Z_L=60+j50 ?...
A lossless transmission line of length l=0.4? is terminated with
a complex load impedance Z_L=60+j50 ? and characteristic impedance
(Z_0=50 ?). Use Smith Chart to find: The VSWR on the line; The reflection coefficient at the load and its phase angle;
The load admittance of the line Y_L in S; The
input impedance of the line in ?; The distance to the
first voltage minimum from the load in ?; and The
distance to the first voltage maximum from the...
Draw the equivalent circuit of a transmission line and hence write the transmission line equations for...
Draw the equivalent circuit of a transmission line and
hence write the transmission line equations for an elemental
section of a transmission line.
A sphere of radius a is made out of insulating material and has a charge uniformly...
A sphere of radius a is made out of insulating material and has
a charge uniformly distributed throughout its volume. (a) What is
the electric field inside the sphere? (b) What is the electric
field outside the sphere? (c) How do your answers change if a thin
spherical shell of radius b, where b >a, is added to the system
and contains a charge −Q uniformly distributed on its surface?
The thermal conductivity of an insulating material used over a hot pipe varies as k =...
The thermal conductivity of an insulating material used over a
hot pipe varies as k = 0.0545 (1
+ 28.4 × 10–4 T) where T is in °C and k is in W/mK. This insulation
is used for a thickness of
12 cm over a pipe of diameter 0.6 m. The pipe surface is at 300°C
and the outside insulation
temperature is 60°C. Determine the heat flow for a length of 5 m.
Also find the mid layer
temperature.
A pipe of outside diameter 200 mm is lagged with an insulating material of thermal conductivity...
A pipe of outside diameter 200 mm is lagged with an insulating
material
of thermal conductivity 0.06 W m–1 K–1 and thickness 75 mm. The
pipe
carries a process fluid at a temperature of 300 °C and the
average
temperature of the outer surface of the lagging is 45 °C.
(a) Estimate the rate of heat loss per metre length of pipe.
(b) Explain why the thermal resistance of the pipe wall can be
ignored.
4. A pipe carrying superheated...
A coaxial cable consists of alternating coaxial cylinders of conducting and insulating material. Coaxial cabling is...
A coaxial cable consists of alternating coaxial cylinders of
conducting and insulating material. Coaxial cabling is the primary
type of cabling used by the cable television industry and is also
widely used for computer networks such as Ethernet, on account of
its superior ability to transmit large volumes of electrical signal
with minimum distortion. Like all other kinds of cables, however,
coaxial cables also have some inductance that has undesirable
effects, such as producing some distortion and heating.Consider a
long...
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