K
Kipper
A commercial-grade coaxial cable (RG-58) has been measured and found to exhibit the following characteristics at 100MHz:
R = 0.79 ohms/meter = 1271.38 ohms/mile
L = 0.262 microhenrys/meter = 421.65 microhenrys/mile
G = 1.93 x 10^-6 mhos/meter = 3.106 x 10^-3 siemens/mile
C = 96.8 picofarads/meter = 0.15578 microfarads/mile
For this line, calculate the following:
Attenuation constant
a. 12.2994 nepers/mile
b. 12.2994 db/mile
c. 12.2994 nepers/meter
d. 12.2994 db/meter
Phase constant
a. 5091.7229 radians/meter
b. 3.1642 radians/meter
c. 3.1642 radians/mile
d. 5091.7229 radians/foot
Characteristic impedance
a. 50 ohms
b. 300 ohms
c. 52 ohms
d. 72 ohms
Velocity of propagation
a. 123,400 miles/hour
b. 123,400 meters/sec
c. 123400 miles/sec
d. 123400 km/sec
Wavelength
a. 2 meters
b. 20 meters
c. 200 meters
d. 2000 meters
This is problems 3.4-3.8 in the KAPLAN book. Great study reference if you do not already have it.
R = 0.79 ohms/meter = 1271.38 ohms/mile
L = 0.262 microhenrys/meter = 421.65 microhenrys/mile
G = 1.93 x 10^-6 mhos/meter = 3.106 x 10^-3 siemens/mile
C = 96.8 picofarads/meter = 0.15578 microfarads/mile
For this line, calculate the following:
Attenuation constant
a. 12.2994 nepers/mile
b. 12.2994 db/mile
c. 12.2994 nepers/meter
d. 12.2994 db/meter
Phase constant
a. 5091.7229 radians/meter
b. 3.1642 radians/meter
c. 3.1642 radians/mile
d. 5091.7229 radians/foot
Characteristic impedance
a. 50 ohms
b. 300 ohms
c. 52 ohms
d. 72 ohms
Velocity of propagation
a. 123,400 miles/hour
b. 123,400 meters/sec
c. 123400 miles/sec
d. 123400 km/sec
Wavelength
a. 2 meters
b. 20 meters
c. 200 meters
d. 2000 meters
This is problems 3.4-3.8 in the KAPLAN book. Great study reference if you do not already have it.