Question

Using logic gates, design a 4-bit digital-to-analog converter that can produce voltages in the range 0V to 5V. (Hint: The highest output voltage that can be reached is actually below 5V.)

Answer #1

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Question 2:
The Arduino UNO micro-controller measures 4.25V on its 10-bit 0
− 5V analog-to-digital converter (ADC)
(a) What is the output of the ADC in decimal and binary?
(b) If this digital number is converted to analog using an 8-bit
0 − 5V digital-to-analog converter (DAC). What will be the output
of the DAC? What will be the error associated with it?

An 10-bit successive approximation A/D (Analog-to-digital)
converter has the following specs: Minimum analog to digital
conversion time 3×10^-3 second with the analog input voltage range:
0 to +6 volts. The A/D is used with a laser micrometer sensor that
provides analog position feedback in the range of 0-0.02 m mapping
linearly to the voltage of 0-1 volt with precision (accuracy) of 60
μm.
a) What is the maximum frequency that can be sampled without
aliasing (Hz)?
b) What is the...

An 8-bit analog-to-digital converter (ADC) has a voltage range
of 0 to 14 V and a digitization uncertainty of ±1 LSB. What is the
maximum uncertainty if the digitization is for a 14 V signal? What
is the maximum uncertainty for a 16-bit ADC, and for 25-bit? If
this ADC has a conversion time of 34 μs, then what is the highest
frequency that can be accurately digitized while satisfying the
Nyquist criterion?

We have a 16 bit analog to digital converter that is expected to
measure a 10 volt peak to peak ac signal with harmonic frequencies
up to 100 khz. Calculate the minimum clock rate required in these
two cases: (a) the counter scans voltages sequentially, (b) the
counter bisects the voltage interval at each clock pulse.

NEED SUPER ASAP WILL GIVE GOOD RATE RIGHT AWAY
We are using a 16 bit analog to digital converter to sample a
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a) what is the duration of one period of signal y in
milliseconds
b) what is the max and min voltage at the analog input and at
what times are they reach med?
c) what is the min change of the input signal that can be...

4. Using an op amp, design a circuit to produce an output
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verify your design.

VERILOG
Design an Arithmetic Logic Unit (ALU) that can perform
four-bit
1. Four-bit addition;
2. Four-bit subtraction;
3. Four-bit multiplication;
4. Four-bit comparator (that compares two binary numbers to check
whether two numbers are equal, or one is less/greater than
other).
Write test benches and simulate each module/submodule.
Hint: First make individual modules of the
four-bit adder, four-bit subtractor, four-bit multiplier, four-bit
comparator modules (make all these in same/one project) and then
use a multiplexer to combine these modules to...

Design a 4-bit adder-subtractor circuit using the 4-bit binary
Full adders (74LS83) and any necessary additional logic gates. The
circuit has a mode input bit, M, that controls its operation.
Specifically, when M=0, the circuit becomes a 4-bit adder, and when
M=1, the circuit becomes a 4-bit subtractor that performs the
operation A plus the 2’s complement of B.Where A and B are two
4-bits binary numbers. That is,
* When M=0, we perform A+B, and we assume that
both...

Adder
Start out by picking 2 positive six bit binary numbers that are
less than 3210, written in 2's complement notation. The
eventual goal is to add these two numbers.
1) Look at the LSB bit of the numbers, and using logic gates
(NANDs, NORs, etc.) design a circuit that correctly gives the right
output for any possible combination of bits in the LSB place.
2) Now look at the next column to the left (next to LSB). In
this...

What tools could AA leaders have used to increase their
awareness of internal and external issues?
???ALASKA AIRLINES: NAVIGATING CHANGE
In the autumn of 2007, Alaska Airlines executives adjourned at
the end of a long and stressful day in the
midst of a multi-day strategic planning session. Most headed
outside to relax, unwind and enjoy a bonfire
on the shore of Semiahmoo Spit, outside the meeting venue in
Blaine, a seaport town in northwest
Washington state.
Meanwhile, several members of...

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