Question

**Q.1.**It is required to design an iterative
combinational circuit that computes the equation Z=2*X-3, where X
is an n-bit signed number in 2’s complement representation. (Hint:
-3 can be represented as -1+-1+-1 in 2’s complement representation,
where -1 is represented as 111…..111).

**a)**Determine the number of inputs and outputs
needed for your 1-bit cell. Explain the meaning of values in the
interface signals.

**b)**Derive the truth table of your 1-bit
cell.

**c)** Derive minimized equations for your 1-bit
using K-Map method.

**d)**Write a Verilog model for modeling your 1-bit
cell by using an assign statement for each output.

**e)**Write a Verilog model for modeling a 4-bit
circuit based on the 1-bit model you have.

**f)** Write a Verilog test bench to test the
correctness of your design for the following input values: {X=-2},
{X=-1}, {X=0}, {X=1}, {X=2}, {X=3}, {X=4} and {X=5}.

Answer #1

Please find
the answer to the **first 3 questions** attached as
under. Please give a **thumbs up rating** if you find
the answer useful! Have a rocking day ahead!

Design a combinational circuit with inputs a, b, c, d and
outputs w, x, y, z. Assume that the inputs a, b, c, d represent a
4-bit signed number (2s complement). The output is also a signed
number in 2s complement which is 7 greater than the input if the
input is less than 2, and is 3 less than the input if the input is
greater than or equal to 2.

Design a combinational circuit that implements F= 2t^2-2
t can take the integer values of 1 or 2 only.
How can I proceed to design the truth table?

Design a synchronous up/down 2-bit counter. The circuit has a
single input (X), when X=1, the counter counts up (i.e.
0,1,2,3,0,1.....), when X=0, the counter counts down (i.e.
3,2,1,0,3,2,....). Show work, including a next-state table and
circuit diagram.

Now let's apply Z=R2+[ωL−(1/ωC)]2−−−−−−−−−−−−−−−−−√ and tanϕ=X/R
to a specific R-L-C circuit. The circuit layout is shown in (Figure
1). Suppose that its components have values R=300Ω, L=60mH,
C=0.50μF, V=50V, and ω=10,000rad/s. Find the reactances XL, XC, and
X, the impedance Z, the current amplitude I, the phase angle ϕ, and
the voltage amplitude across each circuit element.
In a series circuit, suppose R=130Ω, L=350mH,
C=0.70μF, V=120V, and
ω=4050rad/s. Find the reactance XL.
Express your answer in ohms to two significant...

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