An electronics hobbyist is building a radio set to receive the AM band, with frequencies from 520 kHz to 1700 kHz
An electronics hobbyist is building a radio set to receive the AM band, with frequencies from 520 kHz to 1700 kHz. The antenna, which also serves as the inductor in an LC circuit, has an inductance of 206 . She needs to add a variable capacitor whose capacitance she can adjust to tune the radio.
Part A
What is the minimum capacitance the capacitor must have?
Part B
What is the maximum capacitance the capacitor must have?
Homework Answers
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An electronics hobbyist is building a radio set to receive the AM band, with frequencies from 520 kHz to 1700 kHz
An electronics hobbyist is building a radio set to receive the AM band, with frequencies from520...
An electronics hobbyist is building a radio set to receive the AM band, with frequencies from520 kHz to 1500 kHz . The antenna, which also serves as the inductor in an LC circuit, has an inductance of 274 μH . She needs to add a variable capacitor whose capacitance she can adjust to tune the radio. What is the minimum capacitance the capacitor must have? Cmin = ?
An electronics hobbyist is building a radio set to receive the AM band, with frequencies from...
An electronics hobbyist is building a radio set to receive the AM band, with frequencies from 520 kHz to 1700 kHz. The antenna, which also serves as the inductor in an LC circuit, has an inductance of 230 H. She needs to add a variable capacitor whose capacitance she can adjust to tune the radio. Review Part A What is the minimum capacitance the capacitor must have? Express your answer with the appropriate units. 0 FL HA ? Cmin =...
The AM band extends from approximately 500 kHz to 1,600 kHz. If a 1.9-H inductor is...
The AM band extends from approximately 500 kHz to 1,600 kHz. If a 1.9-H inductor is used in a tuning circuit for a radio, what are the extremes that a capacitor must reach in order to cover the complete band of frequencies? Cmax renin nF nF
We would like to build an AM radio receiver using a series RLC circuit working as a bandpass filter. We have decided to...
We would like to build an AM radio receiver using a series RLC
circuit working as a bandpass filter. We have decided to use a 240
μH inductor with an internal resistance of 12Ω, and a variable
capacitor whose capacitance varies between 40 to 360 pF. A radio
“tunes” into a certain frequency by adjusting its receiver circuit
so that it resonates at that frequency, and it only catches that
specific frequency.
1. Determine the range of channel frequencies that...
A 1200 Ω resistor, a 600 nF capacitor and a 25 μH inductor are placed in...
A 1200 Ω resistor, a 600 nF capacitor and a 25 μH inductor are placed in series with a variable frequency AC source. 1. Find the reactances χC and χL and the circuit impedance Z when ƒ = 1500 Hz. 2. The fixed capacitor is replaced with a variable capacitor, and we are going to use the circuit to tune an AM radio, searching for the resonant frequencies. Since the AM band holds frequencies between 520 kHz and 1610 kHz,...
Accuracy is important. Do not round intermediates and check the answer range to make sure you...
Accuracy is important. Do not round intermediates and check the
answer range to make sure you are correct.
Values:
[01] 2.08 [02]
68.47 [03] 0.239 [04] 1173.7 [05] 1403. [06] 53.8
THE CORRECT ANSWERS WILL BE IN THE FOLLOWING RANGES:
8-1a. 140, 220 Hz
8-1b. 40:0, 62:0 mA
8-2a. 70:0, 99:0 V
8-2b. 140:0, 160:0 V
8-2c. 60:0, 99:0 V
8-2d. 60:0, 90:0 V
8-3a. 40:0; 99:0 pF
8-3b. 100; 400 mV
8-3c. 1:00; 3:00 mV
8-4a. 100; 150 V...
An electronics hobbyist is building a radio set to receive the AM band, with frequencies from 520 kHz to 1700 kHz. The antenna, which also serves as the inductor in an LC circuit, has an inductance of 230 H. She needs to add a variable capacitor whose capacitance she can adjust to tune the radio. Review Part A What is the minimum capacitance the capacitor must have? Express your answer with the appropriate units. 0 FL HA ? Cmin =...
The AM band extends from approximately 500 kHz to 1,600 kHz. If a 1.9-H inductor is used in a tuning circuit for a radio, what are the extremes that a capacitor must reach in order to cover the complete band of frequencies? Cmax renin nF nF
We would like to build an AM radio receiver using a series RLC
circuit working as a bandpass filter. We have decided to use a 240
μH inductor with an internal resistance of 12Ω, and a variable
capacitor whose capacitance varies between 40 to 360 pF. A radio
“tunes” into a certain frequency by adjusting its receiver circuit
so that it resonates at that frequency, and it only catches that
specific frequency.
1. Determine the range of channel frequencies that...
Accuracy is important. Do not round intermediates and check the
answer range to make sure you are correct.
Values:
[01] 2.08 [02]
68.47 [03] 0.239 [04] 1173.7 [05] 1403. [06] 53.8
THE CORRECT ANSWERS WILL BE IN THE FOLLOWING RANGES:
8-1a. 140, 220 Hz
8-1b. 40:0, 62:0 mA
8-2a. 70:0, 99:0 V
8-2b. 140:0, 160:0 V
8-2c. 60:0, 99:0 V
8-2d. 60:0, 90:0 V
8-3a. 40:0; 99:0 pF
8-3b. 100; 400 mV
8-3c. 1:00; 3:00 mV
8-4a. 100; 150 V...
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