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Draw the differential amplifier symbol and show sources for the offset voltage, bias current, and offset current. What effect do these sources have on the output signal of the amplifier?
Solve the equation z^2+z+1=0 using z=(x,y) and the basic definitions. (Hint: Note that y does not equal 0 because the equation X^2+X+1 does not equal 0 for any real number x.)
If I have an AC series circuit with a voltage source of 3 Vrms, a frequency of 5 kHz, a 100 mH coil, and a 1 kohm resistor, how do I determine what the back emf is
A current source of 12 cos 2000t A, a 200-ohm resistor, and a 0.2-H inductor are in parallel. Assume steady-state conditions exist. At t = 1 ms, find the power being absorbed by the (a) resistor; (b) inductor; (c) sinusoidal source.
Consider a MOS device with the following parameters: Aluminum gate, p- typ_e silicon substrate, oxide thickness of 20nm, and surface fixed oxide charge of 4x1010 cm-2 (a) Determine the doping concentration such that the threshold voltage is 0.5V.
The shunt capacitance of metal work ofeach insulator is 0.26C to earth and 0.15C to line. Find the stringefficiency if a guard ring increases the shunt capacitance to lineof the metal work of the lowest insulator to 0.35C.
Find the appropriate subchannel modulation format (note: the number of constellation points in the modulation mapping scheme should be the power of two).
Operational amplifier - Finding the offset voltage, An operational amplifier has a gain of 20. The input voltage is 125mV and the input bias current is zero.
Design a 4-element broadside array with equal side lobe level of -20 dB relative to the peak value , take the inter-element spacing d=λ/2 , find the resulting beamwidth to null.
At oneparticular quiescent operating point, a BJT produces a 300 mAchange in collector current for a 0.1 volt change in thebase-emitter voltage. What is gm for thistransistor in millisiemens
1. What parameter of the intelligence signal causes or determines the rate of carrier frequency deviation 2. If you are tuned to an FM station at a frequency of 100.1 MHz, show the bandwidth allocation for two adjacent stations.
A 200-turn toroidal coil (see Figure) has r = 1 cm and R = 10 cm. When a current given by 0.05 sin(200t)A flows in the coil, the voltage is 0.5 cos(200t)A. Determine the flux Φ as a function of time and the relative permeability of the core materi..
A series of combination having R=2Mohm and C=0.01 UF is connected across a D.C. voltage source of 50V. Determined capacitor voltage and charging current after 0.02s, 0.04s and 1 hour.
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