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Design a multi-stage audio amplifier for delivering an average power of 400 mW to a 16 Ohm speaker from a microphone that produces a 10 mV peak sinusoidal signal and has a source resistance of 1 kW.
A sequential circuit had on flip flop Q, two inputs x and y, and one output S. It consists of a full adder circuit connected to a D flip flop, derive the state table and state diagram of the sequent
An inverting amplifier with resistors R1= 5.6k and R2=120K is fabricated using an op amp with an open loop gain of 10^5. What is the percent difference between the actual gain and the ideal gain
The output of a voltage follower is to be within .02% of the ideal value. What is the minimum op amp open loop gain that is required
An 8-kg plunger is released from rest in the position and is stopped by two nested springs; the constant of the outer spring is k1 = 4 kN/m and the constant of the inner spring is k2 = 12 kN/m. If t
Two batteries with voltages in opened circuit V1 and V2 and with internal resistencies R1 and R2, respectively are connected in parallel with themselves and with a load resistance R. a) Find the cu
The voltage across a certain load is V = 1200√2<30(degrees) V, and the load impedance given by Z = 40-j30Ω. Is the load inductive or capacitive. Determine the power factor, complex po
Each phase of the load consists of an impedance of 30 + j40 ohms. Find the line to neutral voltage phasors, the line to line voltage phasors , the power and the reactive power delivered to the load.
Design a circuit for easy connection between a TTL gate and a TRIAC that uses a buffer transistor between the output port of the gate and the TRIAC. (a) In the 1st and 4th quadrants, (b) In the 2nd
Connect the PWM output to an LED, for preliminary testing with slow clock frequency, then to the oscilloscope to show final results with multiple frequencies between 10 KHz to 1MHz. In the final dem
A jet has 4 engines, A and B on the left wing, C and D on the right wing. Each engine gives a FAIL signal which is TRUE if the engine is broken, and is FALSE if the engine is working fine. The plane
Design a two-pole low-pass Butterworth active filter using a unity-gain section to achieve a 3-dB frequency of 200 Hz. Select the two filter resistances as 30 kOhms each.
Two ideal p-n junction diodes are connected in series across a 1 V battery such that both of them are forward biased (draw this). One diode has I0 = 10-5 A and another I0 = 10-8 A.
Look up the Bell 103 modem and answer the following questions: (a) What year was the modem introduced(b) What baud rate did the modem operate at (c) What is baud rate How is it different than bi
The efficiency and power factor for these conditions are 85 and 90% respectively. The combined windage, friction, and stray power losses are 1011W, the rotor conduction losses are 969W, and the stat
Consider a random variable that obeys a uniform desist and varies from 2 to 5. a). Determine the mean and variance of the random variable. b). what is probability that the random variable is between 2
Consider that you have an op amp integrated circuit package such as the LM741 in Appendix C. what type of testing appropriate for testing this device. write a short test plan for doing.
A series RLC circuit has a resonant frequency of 40 kHz and the Q is 20. At what frequency will the phase angle be 45 degrees
Design a circuit that lets exactly one full negative pulse (from an input train of pulses) pass through to the output, after a button is pushed.
a. Draw the block diagram for a coherent receiver for QPSK using the same basis signals as in problems ("What frequency must be used for basis symbols f1 = sin(pi*ct) and f2 = cos(pi*ct) with a symb
For a home toaster suggest a closed loop control scheme to control the amount of browning on the toast and obtain the mathematical model of the OPAMP circuit
What frequency must be used for basis symbols f1 = sin(pi*ct) and f2 = cos(pi*ct) with a symbol period of 1/(9600Hz) to contain 6 cycles of the sin and cos
Describe the Step-by-step procedure for steady-state analysis of circuits with sinusoidal sources.What condition must be true of the sources.
Suppose that V1 (t)=100cos(ωt) and V2 (t)= 100sin(ωt). Use phasors to reduce the sum Vs (t)=V1 (t)+V2(t) to a single term of the form Vm cos(ωt+θ). Draw a phasor diagram, sho
a) Find the sample mean. b)If the calculator produces three digit random numbers that are uniformly distributed between 0.000 and 0.999, find the variance of the sample mean.