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An MOS transistor is fabricated on a p-type silicon substrate with N(a)=2x10^15 cm^-3. The oxide thickness is t(ox)=450A and the equivalent fixed oxide charge is Q'(ss)=5x10^10 cm^-2. Calculate the threshold voltage for (a) an aluminum gate, (b) an n+ polysilicon gate, and (c) a p+ polysilicon gate.
For achieving a desired error probability, we are given that the receiver requires at least -30 dBm of power, and the maximum pulse spread must be no more than half of the bit period. The transmitted pulse has a spectral width of 0.5 nm, and the t..
Assume that each donor atom contributes one free electron to the silicon lattice. For an n-type doping of 5x10^15 cm-3, how many silicon atoms are present for each lattice impurity
Consider and electron in a cubical crystal of a conducting material. Such an electron is free to move throughout the volume ofthe crystal, but can't escape to the outside.It is trapped in athree dimensional infinite well.
The schematic of the traffic light controller
Assuming that solar energy is used to charge a storage battery which then in turn is to power a lamp of 40W. Solar cell obtains power at the rate of 100milliwatts per square centimeter, and the sunlight time is 12 hours.
A series-connected load draws a current i(t)=4cos(100pt + 10°) A when the applied voltage is v(t) = 120cos(100pt-20°) V. Determine a) The circuit‘s apparent power b) The power factor, pf c) The value of the impedance Z
If the magnitude of the resultant force is to be 460N , directed along the positive y axis, determine the magnitude of force F. If the magnitude of the resultant force is to be 460N , directed along the positive y axis, determine the force F direc..
The One river Hydroelectric Project generated power for BPA along the Two River from the early 1800s until 1900, when it was decommissioned due to environmental issues. The maximum flow rate through the system was 25 m3/s, and the hydraulic head w..
In a multiuser CDMA system of DSSS, all transmitters are at equal distances from the receivers. The additive white Gaussian noise density Sn(f) = 5x10^-7 W/Hz. BPSK is used by all users with bit rate = 16 kb/s. There are 16 users.
Design a Mealy sequential machine with two inputs A and B, and one output Z. Output Z generates 1 if: (a) A had the same value at each of the two previous clock ticks, or (b) B has been 1 since the last time that the first condition was true.
The first stage is a common-emitter amplifier and the second stage is a common-collector stage. You should use one npn (2N3904) and one pnp transistor (2N3906) to design the circuit to meet the design criteria. Use the transistor datasheets to fin..
Design a Finite State Machine which recognizes the serial pattern 111. Assume serial input is applied to input pin Sin and an output pin labeled Sout is 1 whenever the string is recognized. a) draw a state diagram of your design.
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