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In a feedback system, the forward path has a transfer function of the form G(s)=k/(1+s/Omega_p) and the feedback path has a gain of k_fb which is less than unity. Calculate the bandwidth of the clos
causal LTI discrete system whose transfer function is given by: (H(z) = (z - 0.5) / ((z-e^{ln(0.16/z)})(z-0.2))\) find the impulse response sequence, h[k], for all k. Check initial and final values of
A CB transmitter is rated to supply 4 W of carrier power to a 50 Ohm load while operating from a power supply that provides 13.8 V. The nominal supply current is 1 A without modulatio
Independent of circuit details, for a digital input code of (b1, b2, b3, .... bn), the output of an n-bit digital to analog conversion output is of the form output = K (b1 + (b2/2)+ (b3/4)...+(bn/ 2
Pulse width modulation (PWM) is used to control dc voltage to an electric heater. The supply voltage is 12 Vdc, and the heating element is modeled as a 1 resistance. (a) Calculate the average power d
What was the percentage error found between experimental and accepted values and what caused any errors, and how could they be minimised?
A random sample of 50 mathematics grades out of a total of 200 showed a mean of 75 and a standard deviation of 10. (a) What are the 95% confidence limits for estimates of the mean of t
Design a logic circuit with 8-inputs and 4-outputs. The circuit should count the number of 1's in the input. The output should be values between 0 and 8.
1- What is the magnitude of the impedance of a capacitor of 29 F at an angular frequency of 644 rad/s (1 decimals in ) 2- What is the phase angle of the impedance of a capacitor of 40 F
1- What is the magnitude of the impedance of an inductor of 34 H at an angular frequency of 783 rad/s (0 decimals in k) 2- What is the phase angle of the impedance of an inductor of 87 H
A link is transmitting 10 Mbps in a bandwidth of 10 MHz using 1 mW of power. (Box 1) What change will you do to double the data rate and why (Box 2) How can you use the link if the noise were larger
The peak voltage is 6V and you need to maintain a resolution of 0.034V. Find the number of bits per sample and then calculate the total number of kbps needed in the ADC. Remember that you cannot hav
A synchronous sequential machine having a single input x and a single output z is to be designed. The output z is to become 1 upon completion of the input sequence 0101, whether it forms part of an
What observations can be made about a physical system that has both pole and zero locations that are not real-valued or complex conjugate pairs.
The circuit generates an output of 1 (0) when the third bit is received if the 3 bits have even (odd) parity; the circuit output is a don't-care for the first 2 bits. Construct an incompletely speci
four determinations of the pH of a certain solution are 7.90, 7.94, 7.91, and 7.93. Assuming normallity of determinations with mean mhu, standard deviation sigma, find: A. 99% confidence interval fo
Disign a system that calculates the difference between two signed 8-bit values A and B and return that difference D (which is an 8-bits output). For example; A=8, B=2, D=6; A= -(2), B=7, D=9; A= -
A Sequential circuit has two inputs x and y and two outputs two and three. The output two is 1 if the total number of 1 inputs on x and y is a multiple of 2 (including 0 ). The Output three should b
Due to its wider bandgap than silicon, a GaAs red light emitting diode (LED) typically has a turn-on voltage of 1.6 V. Assuming the maximum allowable current through the LED is 16.7 mA,
Find the capacitive susceptance per km of a single-phase line operating at 60Hz, using both the capacitance formula and the Tables. The conductor is Partridge, and spacing is 20ft between centres.
In a MOS cascode amplifier, the cascode transistor is required to raise the output resistance by a factor of 40. (1) If the transistor is operated at Vov=0.2V, what must its VA be
A 3-Phase stepping motor is to be used to drive a linear axis for a robot. The motor output shaft will be connected to a screw thread with a screw pitch of 5 mm. We want to be able to have a spatial
A series connected DC motor has R_F + R_A = 11.5 ohm and draws 1 A of current from a DC voltage source with V_T = 18 V while running at 1000 rpm. What is the speed and developed torque when drawing
Given a two's complement, fixed point number with 8-bits of integer and 8-bits of fraction: A. What is the largest (most positive) number you can represent B. What is the most negative number you can
determine the initial condition on the capacitor voltage if you assume the Vc(0)=20V, determine the capacitor voltage at t=0.75s assuming Vc(0)=20V, determine the power at the 7ohm resistor.