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Calculate β for two transistors for which α=0.99 and 0.98. For collector currents of 10 mA, find the base current of each transistor.
A GaAs device is dopeed with a donor concentration of 3*10^15 cm^-3, For the device to operate properly, the intrinsic carrier cconcentration must remain less than 5 percent of the total electron concentration.
The terminals of an electrical device are labeled a and b. If vab = 10V , how much energy is exchanged when a charge of 3 C moves through the device from a to b. Is the energy delivered to the device (i.e., device dissipating or storing energy).
the following string of ASCII characters whose bit patterns havebeen converted into hexadeciminal for compactness:73 F4 E5 76 E5 4A EF 62 73. of the 8 bits in eachpair of digits, the leftmost is a parity bit, the remaining are the ASCII code
Suppose there is a linear one-port that yields v = 10v when loaded with a resistnace RL = 100 kOhm, and i = 0.25 mA when loaded with RL = 10kOhm. Find the Thevenin and Norton equivalents of such a port.
Assume that at this point when Av*β = 1, phase shift due to the amplifier is 120 degrees. A 0.001 micro farad capacitor is added in parallel with Rf in the feedback circuit. What is the new phase shift at the frequency where Av*β = 1
Discuss the sequence of actions that occur in the operation of the control system for a traffic light that includes sensors in the roadbed. Indicate which actions are time-driven and which actions are event-driven.
Using many resistors and the DMM, try to determine what digits each colour band represents. Briefly explain your method and your findings in the space below.
A CS amplifier utilizes a MOSFET with UnCox = 400 uA/V^2, W / L = 10, and VA = 10V. It is biased at ID = 0.2mA and uses RD = 6k ohm. Find Rin, Avo, and Ro. Also, if a load resistance of 10k ohm is connected to the output, what overall voltage gain..
The axon action potential voltage ranges between -100mV to 50mV. Design a basic circuit that will amplify the AAP so the output is in the range 0V-5V.
Suppose that the machining operation requires 1 kW, that the tool machine ihas 90 percent efficiency, and that the supply current is 14 A rms with a power factor of 0.8. Find the AC machine efficiency.
an inductive circuit takes a current of 10.5 amperes when connected to a 500 volts 50c/s supply. this current rises to 12.5 amperes when frequency is reduced to 40 c/s. the voltage being maintained constant. find the resistance and inductance of t..
Consider a BPSK signal where each bit is represented by a triangular pulse with width T and height A. What is the "energy per bit" for this BPSK pulse with A=1V and T=0.002s
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