A Narrow Band Frequency Modulated signal, with fm =10 kHz, fa =100 MHz, Af, = SKHZ is applied to a frequency multiplier with a factor of 3 to convert it to a Wide band FM signal, the output of the multiplier has a WBFM with, a) Sa=10 kHz, fa =100 MHz, 4f; = SKHZ b) Sa =30KHZ, f,2 =300 MHz, 4f; =15KHZ c) Sa =30 kHz, fSa=300 MHz, 4f; = 5KHZ d) fm =10 kHz, Sa=300 MHz, 4f; =15kHz

A Narrow Band Frequency Modulated signal, with fm =10 kHz, fa =100 MHz, Af, = SKHZ is applied to a frequency multiplier with a factor of 3 to convert it to a Wide band FM signal, the output of the multiplier has a WBFM with, a) Sa=10 kHz, fa =100 MHz, 4f; = SKHZ b) Sa =30KHZ, f,2 =300 MHz, 4f; =15KHZ c) Sa =30 kHz, fSa=300 MHz, 4f; = 5KHZ d) fm =10 kHz, Sa=300 MHz, 4f; =15kHz

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

See similar textbooks

Similar questions

amplitude value of output voltage (Vout) = ?? Note1 : E-MOSFET output empedance rd= 70kΩ Note2: capacitors are of negligible size at midband frequency Note3 : 5kHz in midband frequency
Given the following CA configurations:A) CA_42AB) CA_4A_6BQuestions:1) Identify the CA type, duplex type, theoretical maximum bandwidth, and maximum numberof CCs for each CA configuration.2) If the CA_4A_6B has maximum bandwidth of 30 MHz, what are possible frequencyassignments for this CA configuration?
-The modulating signal 2cos (2 π×103 t) is used to modulate a carrier signal 40cos (2 π×104t). Evaluate the modulation index, percentage modulation, frequency of side band components and their amplitudes .What is the bandwidth of a modulating signal.
Identify how the excessive bandwidth use of FM can be overcome. (Check all that apply.) By using narrowband FM with small deviation ratios By using wideband FM with large deviation ratios By operating in the ultrahigh frequency (UHF) region By operating in the ultralow frequency (ULF) region By operating in the microwave region
1.Select the correct statement(s) regarding frequency modulation (FM) bandwidth. a. the more the carrier frequency is allowed to change frequencies (Δf), the smaller the modulated signal bandwidth b. the larger the FM index, β, the larger the modulated signal bandwidth c. as you increase kvco, you decrease modulated signal bandwidth d. all statements are correct 2. Select the correct statement(s) regarding baseband signal modulation. a. with modulation, a baseband signal can be moved to a higher frequency thus preventing baseband signal interference b. modulation techniques are only required for analog information signals, since digital signals are represented by discrete logical values of “1” and “0” c. modulation eliminates the baseband signal’s frequency bandwidth, thus enabling greater efficiencies when transmitting a modulated carrier signal d. all statements are correct 3. A…
2- What is the difference between narrowband FM and wideband FM refer tothe spectral component of the two signals
The SNRi of an FM transmitter is determined to be 24.093dBV. Solve for the peak frequency deviation caused by the noise if the transmitter sensitivity is determined to be 368.903Hz/V, and a modulating signal of 13.926V and the modulating index is kept at 4
The quality factor for the TE101 mode in a hollow rectangular resonator is given as; What should be the size of the resonator so that the quality factor of a hollow cubic resonator made of a conductor with a skin thickness of 0.50 nm is 25,000?
The equation of an angle-modulated voltage is v = 10 sin (l08t + 3 sin 104,). What form of angle modulation is this? Calculate the carrier and modulating frequencies, the modulation index and deviation, and the power dissipated in a 100-ohm resistor.
Given an FM modulator with a deviation sensitivity K1= 3.7 kHz/V and a modulating signal vm = 5.2 sin(2π1,906t), determine the carrier swing in kHz For an FM modulator with an unmodulated carrier amplitude Vc= 14 V, a modulation index m = 1, and a load resistance RL = 8 ohms, determine the power (in watts) in the modulated carrier The percent modulation of the sound portion of a TV signal is 85%. The maximum frequency deviation for the sound portion of the TV signal as specified by the FCC is 25 kHz. Determine the carrier swing (in kHz) of the signal. For an FM modulator with 40-kHz frequency deviation and a modulating-signal frequency fm= 13 kHz, determine the bandwidth (in kHz) using Carson's rule. Given an FM modulator with a deviation sensitivity K1= 1.4 kHz/V and a modulating signal vm = 3.9 sin(2π1,948t), determine the peak frequency deviation in kHz. The percent modulation of the sound portion of a TV signal is 73%. The maximum frequency deviation for the sound portion of the…
4. For an FM modulator with 40-kHz frequency deviation and a modulating-signal frequency fm= 13 kHz, determine the bandwidth (in kHz) using Carson's rule. 5. Given an FM modulator with a deviation sensitivity K1= 1.4 kHz/V and a modulating signal vm = 3.9 sin(2π1,948t), determine the peak frequency deviation in kHz. 6. The percent modulation of the sound portion of a TV signal is 73%. The maximum frequency deviation for the sound portion of the TV signal as specified by the FCC is 25 kHz. Determine the frequency deviation in kHz.
For an Armstrong indirect FM transmitter with the crystal carrier oscillating at 210 kHz, the crystal reference oscillating at 10.2 MHz, the sideband voltage is 0.018 V, the carrier input voltage to the combiner is 5V, the first and second multipliers are both 40, and the modulating signal frequency is 2 kHz, determine: a.) modulation index at the output of the combining network and the power amplifier; b.) frequency deviation at the same two points; and c.) the transmit carrier frequency.