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1) Given two NMOS FETs having (kn'/2)(W/L) = (3 Kohm)^-1 and Vt = 3V. Using a single 10V dc power supply, design a differential pair amplifier having 1mA bias current in each transistor. What is its maximum gain for linear operation (balanced input, balanced output)? Assume ro = ∞.Hint: Increase the value of RD until the MOSFETs leave their saturation regions.
2) Given two NPN BJTs having b = 100 and ro = 100 KW. Using a single 5V dc power supply, design a differential pair amplifier having 1mA bias current in each transistor. What is its maximum gain for linear operation (balanced input, unbalanced output)?Hint: Increase the value of RC until the BJTs leave their active regions.
The transformer secondary is now connected to a purely resistive load drawing 50A. Calculate: a) the total resistance and leakage reactance values referred to the secondary (Rt2 and Xt2), b) the output voltage, c) the output power, VA and Vars,
Assume you buy a 1 kOhm resistor with +/- 20% tolerance in its value. You would like this resistor to consume at most 2 W of power, otherwise it might burn. What is the highest power supply in V you would use to power it
Determine the values of the lumped parasitic capacitor and inductor in a 5 ft long two-wire transmission line with air dielectric Each wire has a diameter of 1 mm and the separation between the wires is 1 inch.
Determine the net chage delta Q that flowed through a resistor over teh specified time interval for each of the following currents: (a) i(t) = 0.36A, from t=0 to t=3s (b) i(t) = [40t +8] mA, from t=1s to t=12s
What is the (approximate) maximum electric field intensity for which constant mobility may be assumed for electrons in silicon. In a digital circuit with a supply voltage of 1V, what is the corresponding gate length for MOS transistors.
a generic rectifier is supplied from a 115v 60hz ac source and operates with a firing angel of 30 degrees. For the output voltage of the rectifier find: The dc component The rms value othe ac component
The received power at a receiver antenna is -38 dBm. If the system impedance is 50 Ohms, what is the voltage at the receiver antenna
A telephone switching board can handle 120 phones. Assuming the following, and determine the outgoing traffic intensity and the number of channels
3-phase-Y-connected load of 40,000W at 0.8 PF lag is supplied by a three-phase Y-connected source of 500V. Find the current and phase voltages. Assuming Van as ref. Determine Ian, Ibn, Icn, Vab, Vbc, and Vca in phasor form.
A string of Christmas tree lights consists of ten (2W, 11V) bulbs connected in parallel. a) What current flows in each bulb b) What is the resistance of each bulb
Bit 4 of Port B is connected to a switch that normally outputs a zero. Monitor this switch to detect a change from zero to one. Immediately when it becomes one, call a function to toggle Bit 5 of Port B, which is connected to an LED.
Describe the features of your organization that indicate which kind of organization it is. Describe five steps your organization could take to become better and move up in the scale. Do you think it is likely that this kind of change could happen ..
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