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An amplifier operating from a single 15-V supply provides a 12-V peak to peak sine wave signal to a 1-k ohm load and draws negligible input current from the signal source. The dc current drawn from the 15-V supply is 8mA. What is the power dissipated in the amplifier, and what is the amplifier efficiency?
A system is required that represents 0 to 100 volts in a 10 bit code. What is the voltage increment that is represented by the LSB of this code.
A 26 resistor is connected across a 65 V battery. How much energy is used by the resistor in 5 min
The excess charge in a certain medium decreases to one-third its initial value in 20s. (a) If the conductivity of the medium is10^(4)S/m, what is the dielectric constant of the medium(b) What is the relaxation time
From a simple pn junction diode, predict the expected relative magnitudes of ac capacitances in a bipolar junction transistor under normal operating conditions(base emitter junction forward biased and base collector junction reverse biased).
All the script needs to do is make a two 10 by 10 grids, one for the user, one for the computer. Allow the user to choose where to place their ships, and in which direction. Then have the computer randomly place its ships.
An npn BJT has an emitter area of 2micrometer^2. The doping concentration in the base is Nb=3x10^16/cm^3. The BJT is operating with Vt=26mV and ni=1.5x10^10/cm^3. For electrons diffusing thru the base Dn=34cm^2/s.
When the scope probe is properly calibrated, it can be modeled as a 9[M Ohm] resistor in parallel with a capacitor having a capacitance l/9th that of the oscilloscope input capacitance.
The measurement of a current is repeated five times. The measured values are: 0.62, 6.21. 6.23, 6.18 and 6.24 mA. a. What type or types of errors might be involved: mistakes, systematic errors, random errors
Design an inverting op-amp circuit for which the gain is -5V/V and the total resistance used is 120kΩ
An optimizing compiler has been developing for the bad store machine with a measurement shown below. The compiler discard 50% ofthe ALU instruction although it cannot reduce, store branches,close, load, compute for the unoptimized CPI.
A 10-mV signal source having an internal resistance of 100 k Ohm is connected to an amplifier for which the input resistance is 10 k Ohm, the open-circuit voltage gain is 1000 , and the output resistance is 1 k Ohm.
An optical lithographic system has an exposure power of 0.3 mW/cm2. 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
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