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Measurments taken of a square-wave signal using a frequency-selective voltmeter(called a spectrum analyzer) show its spectrum to contain adjacent components(spectral lines) at 98KHz and 126 KHz of amplitudes 63 mV and 49 mV, of the fundamental show its frequency and ampitude to be? What is the rms value of the fundamental show its frequency and amplitude to be? What are the peak-to-peak amplitude and period od the originating square wave?
Which transistor bias circuit arrangement provides good Q-point stability, but requires both positive and negative supply voltages.
A µ-law compression encoder has: Vi(max) = 8 V, vi(max) = 1V, µ = 255 Determine the output voltage for an input voltage of 2 V.
A switch turns the voltage source on and off. Evaluate the voltages across each of the capacitors and determine whether the energy changes due to the switch being turned on or off.
Design a circuit that will display the decimal numbers that are less than 60 by using two 7-segment displays. The number 60 should be displayed as 00. Use the least amount of IC's as possible.
An AC sine wave is applied to the input of a full wave rectifier. The output of the full wave rectifier is then applied to a half wave rectifier.
A control System with feedback has the following characteristic equation: s3 + (1 + K)s2 + 10s + (5 + 15K) = 0 The parameter K must be positive. When K is equal a single loop of wire with an enclosed area of 0.0900 m^2 is in a region of uniforfm mag..
A voltage source v(t) = 28.2cos(50000t) is wired in series with a 100 Ω resistor, a 0.40μF capacitor, and a 2.0 mH inductor. 1. Express the voltage from the source as a phasor, V. 2. Find the phasor current I in all the elements.
a. Plot the spectra of X(w) = t sinc(wt/2). Let t = 1 and -20 =
Discuss some key characteristics of "load lines". What information does a load line provide you. Discuss key quantities from a zener diode data sheet. What are most important for a circuit designer.
A double-A (AA) rechargeable battery is rated at 1.2V, 2100mAh (mili-amp hours) 1- how many coulombs of charge can this battery hold 2- how many joules of energy are stored in the battery
A glass tube with a cross-sectional area of 9^-2 m^2 contains an ionizd gas. The densities are 10^15 positive ions/m^ and 10^11 free electrons/m^3. Under the influence of an applied voltage, the postive ions are moving.
Design a counter with the sequence 0-3-2-1-0 utilizing two flip flops. Flip flop A (MSB) is to be a JK type and Flip Flop B (LSB) is to be a RS Flip Flop.
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