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X(t) denotes a zero-mean WSS Gaussian random process with power spectral density
1. What is the power in this process?
2. What is the bandwidth of this process?
3. Assuming that this process passes through an ideal lowpass filter with a bandwidth of 50 kHz and the output is denoted by Y(t), determine SY(f), the power spectral density of Y(t), and the total power in the output process.
4. Determine the PDF (probability density function) of the random variable X(0).
5. Find the smallest value of t0 > 0 such that X (0) and X (t0) are independeht.
Guidelines for Writing a Formal Lab Report. A cover page for the report listing the title of the lab report, your name, the class number and the date.
Find the voltage v0 and current i0 of the diode circuit shown in the figure below. You may assume a diode cut-in voltage of vy = 0.7V - difference in forward-bias voltages between the two diodes is 0.3V. Determine the reverse-saturation current of t..
A silicon diode has a doping profile such that ND = ax3. What is the depth of the junction assuming the p side is uniformly doped with NA per cubic cm. Assume the x origin is at an ideal ohmic contact on the n side of the diode.
Find the maximum average power available at the interface in the figure.- Specify the values of R and C that will extract the maximum power from the source circuit.
Suppose that the following sequence of symbols must be transmitted: (-2, +2), (0, 0), (+2, -2), (0, 0), (-2, +2), (0, 0), . . . . Draw the corresponding waveform in each pair of wires (use the clock period, T, as your time unit).
What is the primary source of distortion with a Class B amplifier. What are some ways the distortion can be minimized and discuss the tradeoffs that exist when implementing these distortion minimizing methods.
The Si transistor of given figure has β= 50 and negligible leakage current.- Find RB so that ICQ = 2 mA.- Determine the value of VCEQ for VB.
Realize the circuit using three D flip-flops, using the guidelines from Section 1.7 to determine a suitable encoded state assignment. Note the tradeoff between more flip-flops and more gates in (b) and (c).
Operation of NPN Bipolar Transistor : a. Describe the operation of a typical NPN bipolar junction transistor used both as an amplifier and a switch. b. List the 4 regions of operation and draw I-V characteristic curve.
Show that the dynamics of the "sniffer" in equation can be taken into the standard integral feedback form through a suitable change of coordinates.
If an NMOS or CMOS transmission gate is turned off (an open switch), discuss why the output voltage is, in general, not stable.
Design and simulate a power supply that takes line voltage and produces a 15V output with less than .5% ripple voltage.
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