Assume that a voice channel occupies a bandwidth of 9 kHz. We need to combine six voice channels into a link with a bandwidth of 54 kHz, from 30 to 84 kHz. Show the configuration, using the frequency domain. Assume there are no guard bands.

Q: Q1: A 20 dBm power source is connected to the input of a directional coupler having a coupling…

A: The output powers in dBm. Given, Power, P1=20 dBm=0.1 WCoupling factor=20 dBDirectivity=35…

Q: 2. Three 40-ohm resistors are connected in star across 300 V, 3 phase supply. If one of the…

A:

Q: A message signal of frequency 10 kHz and peak voltage 10 V is used to modulate a carrier of…

A: Given data: A message signal of frequency is, fm = 10 kHz  A message peak voltage is, Vm = 10 V A…

Q: The "over-the-air" television channel 6 operates between frequencies 82 MHz and 88 MHz, with the…

A: The answer is 79.64 ohms. If you have any query please feel free to comment Explanation:

Q: High-end headphones (such as the likes of Audeze and HiFiMan) have a such high impedance compared to…

A: Given data: Diameter of headphone is, D=40 mm=40×10-3 m. Thickness of headphone is, T=2 mm=2×10-3 m.…

Q: An FM signal has a deviation of 3 kHz and a modulating frequency of 1 kHz. Its total power is 5 W,…

A: Solution:-        B).                The singal power  will be not change with…

Q: What would be the depth of penetration for copper at 2 MHz frequency with σ = 5.8 x 10?

A: Please see the answer below.

Q: A rectangular waveguide which has a cross section of a = 6 cm and b = 3 cm is filled with a magnetic…

A: Basic Details The cut off frequency of the wave guide depends on the cross section of the…

Q: A carrier wave of peak voltage 12 V is used to transmit a message signal. Calculate the peak voltage…

A: The relation for the modulating index is given by  μ = AmAc where, Am is the peak voltage if the…

Q: Explain, why high frequency carrier waves are needed for effective transmission of signals. A…

A: High-frequency carrier waves almost travel at the speed of light. These waves are not affected by…

Q: If the Carrier frequency is 33Khz of the system build in the lab, and the receiver requires 10…

A:

Q: FM radio stations are assigned frequencies every 0.2 MHz, but two nearby stations cannot use…

A:

Q: The capacitor in  23.55(b) will filter high-frequency signals by shorting them to earth/ground. (a)…

A: a) write the formula for the capacitive reactance is, Therefore,

Q: A transmitter transmits an AM signal with a carrier frequency of 1470 kHz. When a superheterodyne…

A: The AM receiver frequency of 455 kHz is tuned to 1530 kHz with a superheterodyne radio receiverIn…

Q: An AM transmitter puts a carrier of 20V into an antenna whose resistance is 1500. The transmitter is…

A: Given data V=20 VR=150 Ωm=60% Here, V is the voltage and  R is the resistance. While m is the…

Q: A carrier wave of peak voltage 12 V is used to transmit a message signal. What should be the peak…

A: Given data: Carrier wave peak voltage is, Vc=12 V Nodulation index is, μ=75%=0.75 Formula used: The…

Q: Consider a cellular system with 500 total allocated voice channel frequencies. Calculate the mean…

A: Given: The total number of voice channel frequencies are 500 N=4,7 and 12

Q: Discuss about the multi-carrier modulation technique used in 3G wireless systems. Justify why this…

A: pleas see the next for solution

Q: A carrier wave of peak voltage 18 V is used to transmit a message signal. Calculate the peak voltage…

A: The incoming incident signal is often not compatible with the communication medium and hence…

Q: Assuming a PON system has performance parameters as follows: transmit power at OLT is

A: Given Data Given Input power is: IP=1 mW=10-3wattIP=1dBm Splitter ratio is:N=32 Length of optical…

Q: High-end headphones (such as the likes of Audeze and HiFiMan) have a such high impedance compared to…

A:

Q: If the uplink transmitter has a power of 100W, what's the EIRP? dBW

A: Given data : Ga = antenna gain =43.62 dB  Frequency=1.8GHz Diameter=10meters  Efficiency=0.65  We…

Q: An AM signal in which the carrier is modulated 70% contains 1500 W at the carrier frequency.…

A:

Q: a fixed capacitance of 1.2 x 10 11 Fand a variable madcast radio signals ranging in frequency from…

A: we have been given a tank circuit in a radio transmitter and the series is RCL and it is connected…

Q: A half wave rectifier is connected with a power supply of 50 Hz and provides a peak output voltage…

A: Answer..

Q: 26. (a)Design a band stop filter using RC components that will only allow a range of frequencies to…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: directly from the dura mater of the brain using cortical electrodes. The filter needs to have…

A: Given, i.  The series RC circuit provide the high pass effect. So,  fc=1500 Hz Thus,

Q: A carrier signal given by (cos21105t) volt is AM modulation by the message signal given by…

A: The solution for the given below is :- Pc = 128 , Ps = 64, BW = 2 KHz, u = 0.03

Q: 25 analog signals (each is bandlimited to 15kHz) are transmitted simultaneously over a channel via…

A: Given that:-Number of analog signals, N=25The band limited frequency, fm=15KHzWe know that:-By…

Q: A carrier signal given by (cos2Tt105t) volt is AM modulation by the message signal given by…

A: The correct option for the following Ques is  Option B  Ps= 64, Pc = 128, bandwidth = 2khz, and u =…

Q: Advantages of optical fibre communi transmission line or co-axial cable transmission ared (a) low…

A: An optical fiber cable is collection of thin glass fibers that transmit information as light pulses…

Q: D AAA Consider the circuit below. How much power would be drawn by this circuit? 12.0V 20.3 DO207…

A: The supply voltage is 12 V. The resistance of the circuit is 25 Ohm.