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Operation of NPN Bipolar Transistor :
a. Describe the operation of a typical NPN bipolar junction transistor used both as an amplifier and a switch.
b. List the 4 regions of operation and draw I-V characteristic curve.
c. Show how the Early Effect, affects the curves on the graph.
d. Identify each resistor's job in the 4-resistor bias network configuration.
assuming XTAL=11.0592 MHz,write a program to genrate a square wave of 20 Hz frequency on pin2.3?
a 10 ohm resistor is connected across a 12 v battery. How much current is there through the resistor?
The charge carried by an electron is ?1.60×10?19 C. Suppose that an electron moves through a voltage of 120V from the negative polarity to the positive polarity. How much energy is transferred Does the electron gain or lose energy
Plotting Continuous time signal, Consider the following continuous signal: x(t) = 10e^-3t u(t) Using Matlab, plot the continuous-time signal over the range -1=
CDMA is a multiple access technique to allow multiple users to share the same bandwidth, based on the orthogonality of their spreading codes. CDMA is a descendent of the direct sequence spread spectrum (DSSS) technology designed for antijam (AJ).
The outputs of two "NAND" gates are connected to the inputs of an "Exclusive Or" gate. Each of the "NAND" gates has one input at a logic high level, and the other input at a logic low level. What is the output of the "Exclusive Or" gate?
Implementation of the project with the analog and digital modulation techniques
A non-inverting operational amplifier circuit is constructed to have a gain of 100 with an input signal of 1 kHz. Would you expect the circuit to have the same gain with the input signal of 1 MHz
stochastic message signal, m(t), is transmitted down a (noiseless) cable channel by PCM, using an 8-bit code. If the ambient signal is equally likely to lie anywhere between its two extremes, (+/- mp), calculate the ration of the mean squared sign..
The command in AutoCAD can be a time-saver, particularly when you're working in an application where you want to move a door or windows within walls on a drawing and don't want to redraw the walls.
determine power and limiting error of the power?
Develop with MATLAB, a fuzzy control system for controlling the power of a motor (0-350 rpm) based on the supported load (0-1700 lbs) thereby that at greater load develops more power. The system must contain at least 5 rules, but preferably 7.
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