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Question: 1. What happens to the noise figure of a circuit if the circuit is loaded by a noiseless impedance ZL at its output?
2. The noise figure of a circuit is known for a source impedance of RS1. Is it possible to compute the noise figure for another source impedance RS2? Explain in detail.
In a DSB-SC amplitude modulation system, the message signal is m(t)=e^-3t*u(t-2) and the carrier signal is cos(2000pi*t). Find and sketch the Fourier transform of the modulated signal.
when luminaires lighting fixtures are installed in clothes closets a distans of in. millimeters must be mauntained
Show that the sum of any two forward time-like vectors is itself forward time-like, and hence that the sum of any number of forward time-like vectors is its self forward time-like.
A DC machine has the following parameters: Ra =1Ω, La = 4 mH , kPWM = 100 . (a) Design the current loop with a bandwidth of 1000 rad/s and phase margin of 900. (b)Given a step current command, ia*(t) = 5u(t)A, calculate the actual current,i(t)
A steel rod subjected to compression is modeled by two bar elements, as shown in Figure P2.10. Determine the nodal displacements and the axial stress in each element. What other concerns should be examined?
A 5.88-g bullet is moving horizontally with a velocity of +340 m/s, where the sign + indicates that it is moving to the right (see part a of the drawing). The bullet is approaching two blocks resting on a horizontal frictionless surface.
a 60-kHz sinusoidal signal is applied to an amplifier with a gain of k=2. the circuit is built with an lm741 opamp with power supplies +-13V. find the largest amplitude the signal may have before it is limited by slew rate constraints.
If an AM signal has an un-modulated carrier voltage Vc=A volts(pk) and a load resistance RL of B ohms. How to calculate the Pc (Carrier Power) If the modulation index is known as m, how to calculate the Sideband Power (Psb)
Write a C++ function which initializes its three reference parameters. The function should take an int, double, and string parameter and initialize them to 0 and the empty string ("").
Design a system that repeatedly computes and outputs the sum of all positive numbers within a 512 word register file A consisting of 32-bit signed numbers.
What would be the initial value of v c (t) when switch is closed and determine the time constants in both cases (switch is open, switch is closed).
Design an input and output circuit state m/c Circuit normally produces an output = 1. It continues to produce output = 1 as long as the following is true: This circuit accepts "at most" one set of sequence "10101" and one set of sequence "01010".
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