Required information Problem 21.050 - FM radio The FM radio band is broadcast between 88.0 MHz...
FM radio stations use radio waves with frequencies from 88.0 to 108 MHz to broadcast their signals. Assuming that the inductance in Figure 24.4 has a value of 4.00 × 10-7 H, determine the range of capacitance values that are needed so the antenna can pick up all the radio waves broadcasted by FM stations. Antenna wire Direction of wave travel To audio video amplifier circuits Figure 24.4
(a) An RLC circuit is used in a radio to tune into an FM station broadcasting at f = 99.7 MHz. The resistance in the circuit is R = 14.0 Ω, and the inductance is L = 1.60 µH. What capacitance (in pF) should be used? pF (b) What If? What would be the range of capacitances (in pF) needed to cover the entire FM band, from 88.0 MHz to 108 MHz? Cmin = pF Cmax = pF
The lowest frequency in the FM radio band is 88.2 MHz. (a) What inductance (in µH) is needed to produce this resonant frequency if it is connected to a 2.65 pF capacitor? (b) The capacitor is variable, to allow the resonant frequency to be adjusted to as high as 108 MHz. What must the capacitance be (in pF) at this frequency?
A radio can be tuned into a particular station frequency by adjusting the capacitance in an L-C circuit. Suppose that the minimum capacitance of a variable capacitor in a radio is 4.14 pF . What is the inductance L of a coil connected to this capacitor if the oscillation frequency of the L-C circuit is 1.60 MHz , corresponding to one end of the AM radio broadcast band, when the capacitor is set to its minimum capacitance? The frequency at...
A radio can be tuned into a particular station frequency by adjusting the capacitance in an L-C circuit. Suppose that the minimum capacitance of a variable capacitor in a radio is 4.12 pF . What is the inductance L of a coil connected to this capacitor if the oscillation frequency of the L-C circuit is 1.50 MHz , corresponding to one end of the AM radio broadcast band, when the capacitor is set to its minimum capacitance? Express your answer...
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?
AM radio signals broadcast electromagnetic radiation at frequencies between 530 kHz and 1.10 MHz. (a) What is the shortest wavelength of an AM radio signal?
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 = ?
1 and 2 please thank you #1) (3 pts.) The commercial FMGFCC regulated) station uses A-30 kHz to broadcast FM meas find the blank (unused) frequency space. #2) (3 pts) If the commercial FM station uses(FCC regulated) Af= 30 kHz to broadcast FM stereo, find the modulation index #3) (4 pts.) The front-end filter of a radio passes the broadcast FM band from 88MHz to 108MHz. The radio input has an effective resistance of 300 2. What is noise voltage...
Chapter 23, Problem 30 A tank circuit in a radio transmitter is a series RCL circuit connected to an antenna. The antenna broadcasts radio signals at the resonant frequency of the tank circuit. Suppose that a certain tank circuit in a shortwave radio transmitter has a fixed capacitance of 1.9 x 10-11 F and a variable inductance. If the antenna is intended to broadcast radio signals ranging in frequency from 3.1 MHz to 8.5 MHz, find the (a) minimum and...