Q4. Explain the gain process in a Raman fiber amplifier and comment upon the flexibility associated with the pumping process in this fiber amplifier type.
Q: Calculate the gain with and without feedback for the "FET amplifier stage with voltage-series…
A: Given data: R1=400(KΩ), R2=600(KΩ), Ro=24(KΩ), RD=8(KΩ), gm=50(ms) Finding the load resistance of…
Q: Calculate the characteristic impedance of a coaxial line with a polyethylene dielectric, if the…
A: Given data: The diameter of the inner conductor is d=3 mm. The inside diameter of the outer…
Q: 5. Below graph shows transimittance of ZnSe on glass substrate. Eestimate transmittance of ZnSe at…
A: The graph showing Wavelength v/s Transmittance is plotted. The transmittance percentage for the…
Q: Electric Conductor walls is designed as shown ant mode for this waveguide by explaining the ut-off…
A: Given dielectric field εr =9,μr =1 Rectangular waveguide having dimensions a=22.86mm b=10.16mm
Q: Question A2 Blue light of vacuum wavelength 450 nm is travelling in a non-magnetic dielectric glass…
A: In this question, we have to find impedance, wavelength, and the critical angle. We solve it…
Q: A Half-bridge inverter with resistive load and capacitive elements is given in the figure. Vb = 72V,…
A: Given: Vb=72 VC1=C2=240 μFR1=14 Ωf=120 Hz
Q: TV-reception antennas for VHF are constructed with cross wires supported at their centers. The ideal…
A: Given values:- Length of wire for the first channel,(L1)=1.94 m ----(1) Length of wire for the…
Q: Find the input impedance for the network as Z (@) = V(@)/I(aw). (Hint: Use the Fouries Transform of…
A: Given: In the circuit we have, Zω=V(ω)I(ω)…
Q: PI EXPlain The effect of increasing The filter Capacitance on The outPut Voltage in The half - wave…
A: To explain: The effect of increasing the filter Capacitance on the output voltage in half wave…
Q: Consider a 250-W heat lamp fixed to the ceiling in a bathroom. If the filament in one light burns…
A: Here, given that the power of the lamp is 250W and the distance between the mirror and the image is…
Q: The input resistance of the LF356 is≈ 10¹2 №, much greater than any resistor likely to be placed…
A: The is a JFET-input operational amplifier (op-amp) that is known for its high input impedance. An…
Q: For a case of two layers over a halfspace, derive an expression for the thickness of the second…
A: Basic geometry:
Q: Determine the order of a unity gain Butterworth filter where fc= 300 Hz, and the gain decreases at…
A: Given, fc= 300Hz gain, Az = 39dB ωz=8900rad/s The nearest possible integer for Butterworth filter is…
Q: Exercise 2. A plane wave with a frequency of 3 GHz is propagating in an un-bounded material with &,…
A:
Q: When EXOR gate is applied to the given waveforms (A, B), which one will be represent the waveform of…
A:
Q: Question 22 At the headend the transmit LASER reads 6 dBm, what is this value in mW? .078 mW 15.85…
A: We know, Power(in dBm)=10logPower(in mW)1 mW
Q: Define the term ‘amplitude modulation’. Explain any two factors which justify the need for…
A: Amplitude modulation is defined as the modification in signal strength of the carrier wave in…
Q: A rectangular RF excitation pulse is used to flip the net magnetic moment vector into the transverse…
A: In this question we have to find the minimum value of the pulse length. Please give positive…
Q: What material can block RF waves? a. Plastic wrap b. Aluminum foil c. Rubber d. Cotton balls
A: Aluminum foil can be used to block RF waves up to a certain frequency and intensity. This is because…
Q: This antenna, from + to -, is 10 cm long. It can best pick up signal frequency of Ch. 31.6 MHz.
A: Length of antenna is L = 10 cm
Q: Q3/ For the emitter-bias BJT find: (a) B; (b) Vcc: (c) RB given the following information: Rc = 2.7…
A: Given : RC=2.7kΩ, RE=0.68kΩ, VCE=7.3V, VE=2.1V, IB=20μA 3) (a) In an emitter bias BJT, the voltage…
Q: Q:1 What is the magnitude of the characteristic impedance of silver, brass, and stainless steel at…
A:
Q: - What are the main differences between the D-MOSFET and E-MOSFET
A: The metal oxide semiconductor field effect transistor (MOSFET) is a transistor that consist of thin…
Q: An AM signal in which the carrier is modulated 70% contains 1500 W at the carrier frequency.…
A:
Q: 1. Sketch the electrical circuit of a first order low-pass filter and derive the frequency response…
A: Please find the circuit diagram in the explanation section. The circuit diagram for a first-order…
Q: In an optical fiber, the light is totally internally reflected at, boundary. Select one Oa…
A: In an optical fibre, the light is totally internally reflected at core-cladding boundary.
Q: 1) An EM field is normally incident on a slab with relative permittivity 25 and relative…
A: We refractive index in free space are na = 1 and refractive index of slab are ns=μrεr=25×1 = 5From…
Q: b. A Transmission line 20 cm long has a characteristic impedance of 200 Q and is short-circuited at…
A: Length (L) = 20cm Characteristic impedance (Zo) = 200 ohm Frequency (f) = 300MHz Short circuited at…
Q: A simple difference amplifier circuit is shown in Figure 4.1. Why would replacing the common…
A: Normally difference amplifiers are meant to reject common-mode signals, especially when they are…
Q: difference amplifier circuit
A:
Q: The function f(x)=xln(x) is defined in real space where x>0. Find the Legendre transform of this…
A: Given, Function, F(x)=xlnx The monotonic function is given by,…
Q: b. Consider the transmission line in the figure. i. Determine the SWR on transmission line ii. The…
A: The load impedanve Zl=40+j30 ohm Zo=50ohm the reflection coefficient r=(Zl-Zo)/(Zl+Zo)…
Q: What is meant by term ‘modulation’? Draw a block diagram of a simple modulator for obtaining an AM…
A:
Q: Describe the effect of the low-pass and high-pass filters on the output of the adder. Comment on (a)…
A: Effect of the both filters on the output of the adder is
Q: Question 49 At the headend, the transmit DFB LASER reads 4.4 mW, what is 4.4 mW in dBm? 05.44 O 6.43…
A: Since you have asked multiple question, we will solve the first question for you. If you want any…
Q: Estimate the average power output of the Sun, given that about 1350 W/m² reaches the upper…
A: It is given that, ρ=1350 W/m2
Q: An antenna has an impedance of 50 Q. An unmodulated AM signal produces a current of 4.8 A. The…
A:
Step by step
Solved in 2 steps