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Electrical Engineering
Write an AVR assembly program for the ATmega328PB that uses a loop to sum the decimal numbers 1, 2, 3, ..., 19, 20, noting where the result is stored as well as its value in hexadecimal and decimal.
Electrical Engineering
Write an AVR assembly program for the ATmega328PB that uses a loop to sum the decimal numbers 1, 2, 3, ..., 19, 20, noting where the result is stored as well as its value in hexadecimal and decimal.
Electrical Engineering
- Consider a pn junction in equilibrium at room temperature (T = 300 K) for which the doping concentrations are NA = 1018/cm3 and ND = 1016/cm3 and the cross-sectional area A = 10-4 cm2. Calculate pp, np, nn, pn, V0, W, xn, xp and QJ.
Electrical Engineering
What are Register reference instruction format? How it will be derived? Explain with neat sketch.
Electrical Engineering
Explain the operation of a JK flipflop with a neat diagram. State how it can be converted into a T (toggle) Flipflop.
Electrical Engineering
Explain the operation of a full subtractor with necessary diagrams. What is the difference between half and full subtractor?
Electrical Engineering
Consider the following register transfer statements for two 4-bit registers R1 and R2.
xT: R1← R1+ R2
x' T: R1 ← R2
Every time that variable T = 1, either the content of R2 is added to the content of Rl if
x = 1, or the content of R2 is transferred to R1 if x = 0. Draw a diagram showing the
hardware implementation of the two statements. Use block diagrams for the two 4-bit
registers, a 4-bit adder, and a quadruple 2-to-1-llne multiplexer that selects the inputs
to R l . In the diagram, show how the control variables x and T select the inputs of the
multiplexer and the load input of register R1.
xT: R1← R1+ R2
x' T: R1 ← R2
Every time that variable T = 1, either the content of R2 is added to the content of Rl if
x = 1, or the content of R2 is transferred to R1 if x = 0. Draw a diagram showing the
hardware implementation of the two statements. Use block diagrams for the two 4-bit
registers, a 4-bit adder, and a quadruple 2-to-1-llne multiplexer that selects the inputs
to R l . In the diagram, show how the control variables x and T select the inputs of the
multiplexer and the load input of register R1.
Electrical Engineering
A Boolean function fk of two variables A and B is defined as follows:
fk (0, 0) = fk (0, 1) = fk (1, 1) = 1; fk (1, 0) = 0
Assuming complements of A and B are not available, what will be the minimum cost
solution for realizing using only 2-input NOR gates and 2-input OR gates (each
having unit cost) ? Explain with nessessary digram and expression.
fk (0, 0) = fk (0, 1) = fk (1, 1) = 1; fk (1, 0) = 0
Assuming complements of A and B are not available, what will be the minimum cost
solution for realizing using only 2-input NOR gates and 2-input OR gates (each
having unit cost) ? Explain with nessessary digram and expression.
Electrical Engineering
Assume an isotropic antenna operating at 10 GHz, find the effective area and antenna gain.
Electrical Engineering
Assume a receiver with effective noise temperature of 300K and 1MHz bandwidth. Calculate the thermal noise level at the receiver’s output
