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For the system described by the following equations, with the input x(t) and output y(t), determine which are invertible systems and which are noninvertible. For the invertible systems, find the input-output relationships of the inverse system.
y(t) = dx(t)/dt y(t) = e^x(t), x(t) real
4 resistors are connected in electrical parallel. R1=2 OHM, R2= 4 OHM, R3= 6 OHM, R4= 8 OHM. if this parallel resistor combination is placed across an ideal current source = 3A.
20 SI fibers, 2 km long each, are spliced together for a 40 km link. Each fiber has a loss rate of 1-dB/km and a numerical aperture of 0.24. Each splice adds 0.5 dB of loss. A laser diode has a threshold current of 10 mA and emits at 3 mW/mA rate.
If the cost of heat rises by $200 per year (uniform gradient) after the next year and the owner plans to keep the present building for 15 more years, if the interest is 10% per year, what is the cost of heat without the installation
What are the transfer function and the impulse response of the system?
The required exposure energy for a positive photoresist is 140 mJ/cm2 and for a negative photoresist is 9 mJ/cm2. Assuming negligible times for loading and unloading wafers, compare the wafer throughput for positive photoresist and negative photor..
What focal length should a pair of contact lenses have if they are to correct the vision of a person with a near point of 57.3 cm Assume that the near point distance is 25 cm.
Parallel plate waveguide has plate seperation of 2cm, filled with dielectric material with an index refration of n=3, lenght of wavelengh guide z=50m opertaing at 10 Ghz. a) find the cutoff frequency
1. Provide 3 ways for creating proto-types of an electronic circuit. 2. Explain briefly, in outline form, and in your own words, the procedure for creating a single-sided, PCB (Printed Circuit Board), using the etching procedure.
The transfer equation is V_out/V_in. if you factor the second order polynomial what are the two first order polynomials. How do these compare with the first order filter. Has the -3db changed.
Calculate the built-in voltage of a junction in which the p and n regions are doped equally with 10^16 atoms/cm3. Assume ni =.5x10^10/cm^3. With the terminals left open, what is the width of the depletion region
Derive the transmission and reflection coefficients for the case of tunneling through a square potential barrier with 0
1. Find the volume of a frustum of a pyramid with square base of side 17, square top of side 9 and height 14.2. The base of a solid is a circular disk with radius3. Parallel cross sections perpendicular to the base are squares.
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