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Suppose you want to learn the characteristics of a certain filter. A white noise source with an amplitude of 15 watts/Hz is connected to the input of the filter. The power spectrum of the filter output is measured and found to be
(a) What is the bandwidth (3 dB) of the filter?
(b) What is the attenuation (or gain) at zero frequency?
(c) Show one possible (i.e., real, causal) filter that could have produced this output PSD.
Design a circuit and test procedure to obtain the output characteristic of the 2N2222 transistor using a manual point-by-point technique. The test procedure should include entering the data in an Excel spreadsheet and plotting several sets of data..
A semiconductor company has the following costs associated with Product X: - Fixed cost of $1B ($1,000,000,000) - Die cost of $6 at a die yield of 50% - Testing and packaging cost of $3 per die - A final test yield of 90% with a product volume of 500..
Generate the Bode frequency response plots for your filter. Verify that your filter has the correct cutoff frequency - Find the pole locations and plot the pole locations in the s-plane.
a) It is required that the propagation delay be limited to 60 psec. Find the required device widths b) Find the High and Low noise margins, i.e. NMH and NML. c) What is the peak current drawn from VDD during switching of the inverter What is the aver..
Develop the pseudo-code for a program that will retrieve 2 bytes (NUM1 and NUM2) from memory, determine which is closest to the numeric value 50, and indicate the result by setting a variable named "CLOSEST" to 1 (if 1st byte is closest) or 2
(a)using 4 rectangles find the area of the region bounded by f(x)=x^2 +1, the axis from x=0 to x=2,(b) solve part (a) using n rectangles and the limit process as n -> infinity.
Design a half-wave rectifier as a dc power supply that delivers 0.2A and 15V peak values to a load. The ripple voltage is to be no more than 0.4V peak to peak. The rectifier is led from the voltage line (120Vrms, 60Hz) through a transformer.
If these transformers are connected in parallel to supply a common load, determine the percentage overload on B when A supplies its full load at p.f.0.45 lag.
A pacemaker is programmed to deliver pulses a certain times every minute for a patient with heart block. A 0.5µF capacitor controls the pulse discharges through a 2M resistor. One pulse is delivered every time the fully charged capacitor loses 50%
Common base, emitterand collector amplifiers; differential pairs. Multistageamplifiers, cascades, cascodes. AC response of 1-stage amplifiers,Miller effect. Output stages, thermal considerations, heat sinks.Non-linear circuits: oscillator, Schmitt..
An amplifier is to have an input of 100watts. Its effeciency is 75%, what is the maximum ambient temperature wherein this amplifier may be placed with a maximum junction temperature of 200degC and a junction to case thermal resistance.
In a Wheatstone bridge circuit, precise measurements of very small resistance (0.1 ohm or less) are difficult. List three (3) possible sources of error that are important when measuring small resistances.
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