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1. A metal oxide semiconductor capacitor with a p+ polysilicon gate (qΦm = 5.16eV), SiO2 dielectric thickness 100nm (εr = 3.9), and n-type substrate (ND = 6E15cm-3). Ignore interface charge (Qi = 0).
(A). Is it NMOS or PMOS? Explain.
(B). Calculate flatband voltage Vfb and sketch the band diagram at flat band. Label relevant values such as band offset and Fermi level offset.
(C). Calculate threshold voltage VT and sketch the band diagram at the onset of strong inversion (defined inEq. 6-15). Label relevant values.
Resistance of Headlights, A 24-volt automotive battery is connected to two headlights, such that the two loads are in parallel
the current flowing through a circuit is it4t3a. how much charge passes through the circuit element between 0 and 2
A 480 V(rms) source supplies 3 parallel loads: -load 1: P1 = 25kW and Q1 = 25 kVAr, no power factor given, no Resistance(R1) given -load 2: S2 = 15kVA at power factor 0.8 leading,P2 and Q2 not given and no R2 given
When fed from a signal source with a peak amplitude of 0.1v and a source resistance of 20k , the peak amplitude v(pi)is 5mv. specify Re and bias current Ic. The BJT has beta =100. If the total resistance in the collector is 5 k,
does the speedwire wiring system still exist? i see many references to it at the course hero site but none in bicc
The open-loop gain of a compensated op-amp is measured as follows:5.1´103 at100 kHz and 8.3´103 at10 kHz. Calculate its 3dB frequency, its unity-gain frequency, and its dc gain.
Why are overmodulated and carrier suppressed AM signals a problem from the standpoint of the receiver. Why (in what siuations) might DSB-SC be prefered over standard AM.
Determine the magnitude of the charge induced on each dielectric surface.
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?
Use the mesh-current method ONLY to find all the mesh currents.
Consider a step-down transformer with 15 turns in the primary and 6 turns in the secondary windings.Calculate the input impedance of this transformer loaded to an 8 O resistor, assuming that series resistances of the windings are negligible.
What kind of RC filter do you need? Design the RC filter. Be sure to use standard resistor and capacitor values and specify the tolerance.
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