Homework 11

- Nurali

Homework 11

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- chestercat

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- Qaisersatti

THOSE ANSWER ARE ABSOLUTELY CORRECT...

- Nurali

@aditya07 Tell me question

- anonymous

Parallel resonant "tank" circuits are common in radio equipment. But unfortunately there is always resistance that prevents them from being perfect: in every real inductor, the wire that makes up the inductance has some resistance, and there may be leakage in the capacitor that can be modeled as a resistance. Also, the Norton resistance of the system connected to the tank circut looks like a leakage through the capacitor. So a realistic model for a tank circuit is the following:
In the space provided below write an algebraic expression in terms of the device parameters for the bandwidth Δω of the impedance Z looking into this tank circuit.

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## More answers

- anonymous

The antenna tank of a Graymark 536 Radio Kit has an inductance L≈0.65mH. The resistance of the inductor RL≈4.0Ω. The equivalent resistance across the capacitor is RC≈490.0kΩ. The capacitor is variable, for tuning.
If we tune to a station at f=830.0kHz what is the capacitance, in picoFarads, of the tuning capacitor?

- anonymous

What is the bandwidth, in kHz, of the tank at f=830.0kHz?

- Qaisersatti

What is the bandwidth, in kHz, of the tank at f=980.0kHz?

- anonymous

7.5 is showing wrong for me

- anonymous

for f=650khz

- anonymous

If next we tune to a station at f=1270.0kHz what is the capacitance, in picoFarads, of the tuning capacitor??

- anonymous

- Qaisersatti

AND 8.5 IS SHOWING ME WRONG TOO BRO:)

- anonymous

again for f=1570khz??

- anonymous

n tell me the bandwidth 2

- anonymous

What is the bandwidth, in kHz, of the tank at f=1270.0kHz?

- Qaisersatti

If next we tune to a station at f=1600.0kHz what is the capacitance, in picoFarads, of the tuning capacitor?
incorrect
What is the bandwidth, in kHz, of the tank at f=1600.0kHz?

- anonymous

plz tell me If we tune to a station at f=740.0kHz what is the capacitance, in picoFarads, of the tuning capacitor?

- anonymous

What is the bandwidth, in kHz, of the tank at f=1270.0kHz?

- anonymous

What is the bandwidth, in kHz, of the tank at f=650.0kHz

- anonymous

@Nurali: can u tell me the procedure???

- Qaisersatti

What is the bandwidth, in kHz, of the tank at f=1600.0kHz?

- anonymous

What is the bandwidth, in kHz, of the tank at f=1270.0kHz? ???

- Qaisersatti

:(
27 IS GIVING ME A CROSS I MEAN F=1600 KHZ

- anonymous

What is the bandwidth, in kHz, of the tank at f=740kHz? ???

- anonymous

hw11 p3
From the voltage graphs given above, estimate the Q of the second-order system. Enter your estimation in the space provided below. (Hint: the answer is an integer).???

- anonymous

for f=1480.0kHz????

- anonymous

- anonymous

and bandwidth

- Nurali

Please tell me the answer of Last Question of H11P3

- Qaisersatti

zinda bad Nurali...22 is right answer for f=1600 khz

- anonymous

What is the bandwidth, in kHz, of the tank at f=1480.0kHz?

- anonymous

thanks man it was 18.3

- anonymous

H11P1
1)1/(RC*C) + RL/L
2)use these formulas
a)C=1/(ω2L)
b)ω=2πf
for me,with L=0.65 and f=680.0, i calculated the value which i got as 8.4
and the answer is 84
3)use formulae in 1
4)Do the same as 2

- anonymous

1/w2L ,where 2 means squared......c u all tmrw..im off

- anonymous

H11P2
1)VM=.7v
VM * 0.1 = 0.07 V
2)cp= 22/9=2.4
3)yet to do
4)0.1*VM(t)=.8v

- Qaisersatti

The oscilloscope is used to measure and display waveforms at many frequencies. Suppose that VM=0.08cos(2π 147.0×106 t) V. What is the value, in picoFarads, that Cp should be set to so that Vs=0.008V?

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