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For the circuit following parameters are given with Vcc = 18 volts DC:
Rs = 0 ohm r pi = 1000 ohm Rb = 1750 ohms
C1 = 10 microfarads gm = 50mS RL = 100 ohms
Ce = 0.1 microfarads Re = 135 ohms C2 may be considered very large
vs is a sinusoidal voltage source of 1 volt amplitude and variable frequency. You may assume that the numerical values of the small signal parameter gm may used in large signal quiescent calculations
Determine the gain of the output from vs to vo at a frequency of 100kHz in dB
Determine the phase shift of the circuit from vs to vo at a frequency of 100 kHz
Determine the average power dissipated in Re in watts at 10 kHz
Determine the average power dissipated in RL in milliwatts at 50 kHz
calculate the mmf when the machine operates at rated voltage at full load? PLease explain how to get the solution to this problem?
Using many resistors and the DMM, try to determine what digits each colour band represents. Briefly explain your method and your findings in the space below.
If we want to correct the power factor to 0.9 lagging, what is the value of Q we need to inject.
Suppose that a family of logic gates considers the input ranges of [0 - 0.2V] as "0" and [3.1V-3.5V] as "1". 1. What are the reasonable output ranges for "0" and "1" (a) "0": [0.0 - 0.1V], "1": [3.2V - 3.5V];
where the assigned loop current leaves the voltage source. If current leaves the voltage source at its positive terminal, the voltage would be positive and if it leaves the voltage source at its negative terminal,the voltage would be negative.
The NF (dB) is defined as 10log(SNRin/SNRout) - in the unit of dB. If we are given the values of SNRin and SNRout in dB unit, how do we calculate NF (dB) in terms of dB, and how do we calculate NF in term of a pure ratio
The op-amp circuit measures the changes of temperature in a system. The output voltage is given by v0(t) = -R(t)vi(t). Suppose that the temperature in the system changes cyclically after t = 0, so that R(t) = [1 +0.5 cos(20πt)] u(t) and let the in..
A new project has the following predicted profits. The initial investment is $3,000,000. Yr Revenue 1 $200,000 2 $400,000 3 $600,000 4 $800,000 5 $1,200,000 6 $1,200,000 7 $1,400,000 8 $1,600,000
A 150 MVA, 24 kV, 123% three-phase synchronous generator operates with an induced voltage that is twice the rated line-to-neutral voltage. Calculate the three-phase steady-state short-circuit current at the generator terminals.
A 1.80kg , horizontal, uniform tray is attached to a vertical ideal spring of force constant 195N/m and a 290g metal ball is in the tray. The spring is below the tray, so it can oscillate up-and-down.
open a savings account to save retirement. Every month you put $100 into a savings account which pays 8% interest compounded monthly. At the end of each year you receive a $500 bonus which you place directly into your retirement fund
A PN junction has Na=10^19 cm^-3 and Nd= 10^16 cm^-3. a) with V=0 what are the minority carrier densities at the depletion region edges Assume V= 0.6 V for (b)-(d). b) What are the minority carrier densities at the depletion region edges
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