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A transmission line having a 50 ohm characteristic impedance is to drive a load of 200 ohms.(a) What is the reflection coefficient if the line is connected directly to the load? (b) What is the standing wave ratio on the main line under the conditions of part (a) above? (c) In rectangular form (numerical values required to nearest 0.1) what is the input impedance of a λ/8 section of 50 ohm line connected to a 200 ohm load? Include a figure showing the configuration having the input impedance to be calculated. (d) What is the input impedance of a λ/4 section of 50 ohm line connected to a 200 ohm load? Give answer in rectangular form. (e) What is the input impedance of a 2λsection of 50 ohm line connected to a 200 ohm load? Give answer in rectangular form.
Discuss different applications that could use non-inverting and inverting amplifier circuits. Will the actual op amp characteristics cause any challenges if used for each application
A collector modulated transmitter has a supply voltage of 48 V and an average collector current of 600 mA. What is the input power to the transmitter How much modulating signal power is needed to produce 100 percent modulation
The transfer function of a circuit is given by H(s)=2 s+4/4s^2+2s+2 a. Express the transfer function in a form in which the coefficients of the highest power of s are unity in both numerator and denominator. b. What is the characteristic equation o..
A 10-mV signal source having an internal resistance of 100 k Ohm is connected to an amplifier for which the input resistance is 10 k Ohm, the open-circuit voltage gain is 1000 , and the output resistance is 1 k Ohm.
A temperature sensor has a static transfer function of 0.15 mV/C° and a time constant of 3.3 s. If a step change of 22° to 50° C is applied at t=0, find the output voltage at 0.5 s from t=0s to t=10s. What is the indicated temperature at these tim..
The average power is not necessarily equal to the average current times the average voltage. To show this, find a voltage waveform and current waveform where each has a zero average value but their product has a non-zero value.
For a moving average filter with bk coefficients equal to 0.2 and given that the input to the filter starts at sample x[n], how many input samples are required to define all input terms for all filter coefficients
An infinitely long wire is placed in a space with relative permeability of 9000 carrying current of 1.9 A in the +y direction. What is the magnitude of the magnetic flux density at (0.03,0,0) [meters] in units of Tesla
A rectangular pulse v(t) has a magnitude of 1.0 volts and duration 5 μs. The pulse is multiplied by a sine wave x(t) at a frequency of 2.0 MHz. a. Write down an expression for the spectrum of the signal y(t) = x(t) x v(t).
When a forward bias is applied across a junction is the increased current flow due to movement of the Fermi level closer to the band edge or to lowering of the potential barrier. If you want to increase the space charge width on the n side of a p,n..
1. What is the effect of sampling at a higher rate on the error performance of a digital modulation scheme 2. Suppose 16QAM was the modulation scheme used for this lab; would the error performance
An iron ring with a 50-cm mean diameter has a square cross-section of 4 cm2. It is wound with two coils having 1000 and 400 turns. Calculate (a) the self inductance of each coil, and (b) the mutual inductance between them.
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