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Use the initial and final value theorems to find the initial and final value of the time function corresponding to the following Laplace transform X(s) = x/(s+1)(s+4)
A circular loop of radius 2a lies in z=0 and carries current I in the counterclockwise directions. How do I show H= square of 2 * I divided by pi*a in the vector az directions
the CMRR of a differential votage amplifier is specified as CMRR >10³, its voltage gain is G=50. the two input voltage have values v1=10.3 and v2=10.1.
1 Determine the inductive reactance (in ohms) of a 2 mH coil for: a-DC b-60Hz c-4Khz d-1.2MHz 2 Determine the frequency at which a 1mh inductance has the following inductive reactances: a-10-ohm b-4k-
a) Find and plot the straight-line approximations to the amplitude and phase response bode plots b) sketch the approximate amplitude-response bode plot od this system using the straight-line approxi
A data acquisition system is placed in the vicinity of a noise- and interference-producing source (such as an AC motor, a fluorescent light, high power transmission lines, or any EMF radiator).
If R1 = 220 k Ohms , R2 = 56 k Ohms, Rc = 6.8 k Ohms, RE = 2.2 k Ohms, B= 180, rO = 50 k Ohms, C1 = C2 = 10 uF, CE = 100 uF, and Vcc = 20 V, determine the voltage gain AV.
1-why placement of grounds is significant to obtaining accurate measurements when using instruments that can be grounded, such as scopes and 2) why should we never connect a DMM that is set up to me
DC Load Line and Q-Point can only be located within the active region of a BJT. What are the boundaries of the active region. What characteristics of BJT determine this boundary.
A photocell with a 35-ms time constant is used to measure light flashes. How long after a sudden dark-to-light flash before the cell output is 80% of the final level
A PLL frequency synthesizer has an output frequency of 470 MHz. A divide-by-10 prescaler is used. The reference frequency is 10 kHz. What is the frequency step increment
A common-source amplifier utilizes a MOSFET for which VA=12.5 V and is operated at VOV = 0.25V. What is the value of its (gm ro). The amplifier feeds a load resistance RL = 15K ohm. The designer sel
X & Y are Gaussian random variables with E[X]=1, E[Y]=2, E[XY]=.1, VAR[X]=5 & VAR[Y]=10. Define the vector V=(matrix) 1 1;1 -1 matrix X;Y. Find the mean of E[V], covariance martix for V, use
Determine the approximate output rating (kVA) required for a portable alternator to be used as temporary supply on a single dwelling construction site. The loads to be supplied include: 1 x 1 kW sin
A current source of 12 cos 2000t A, a 200-ohm resistor, and a 0.2-H inductor are in parallel. Assume steady-state conditions exist. At t = 1 ms, find the power being absorbed by the (a) resistor; (b
The transfer equation is V_out/V_in. if you factor the second order polynomial what are the two first order polynomials. How do these compare with the first order filter. Has the -3db changed.
Use the formula for decibels, 20*log(|T|), to find out what the -3db value would be in Volts per volt when the pass band is 1 V/V, 2 V/V, 3 V/V. find the way to find this critical frequency value wi
The random variable X is a continuous type distribution F(x). Use the function y=F(x) to transform random variable X into a new random variable Y=F(x). Find the density function that describes rando
Let X be the outcome for rolling a die and let Y be the outcome for rolling a second die. X & Y are the number of dots that appear for each die. find the joint probability for the event X less o
you have a RC circuit with an unknown capacitor. You have a 20V source and a 33k ohm resistor. the question states. The voltage Vc for the network has risen to 16V 5seconds after the switch was clos
b. Find the Fourier Transform of signal x(t) (use the Fourier Transform definition) c. Write down the double-sided amplitude and phase spectra x(t) d. Plot the double-sided amplitude and phase spectra
A junction is an n region next to an intrinsic region, which can be represented as an ntype region to a p-type lightly doped region. At T= 300K, the doping concentrations in silicon are Nd =1018 cm-
Taking under consideration a microcontroller, such as the 68HC12, identify five internal subsections within your selected microcontroller and provide an explanation for each subsection's function.
Define an embedded system and how it differs from a microcomputer-based system. Identify various applications for a microcontroller-based designed system.
Random variable X is Gaussian with zero mean and variance of 1. Y is defined as Y=X^5. How do I find the probability density function, mean and variance of Y