1. Why are the pre-bake and post-bake steps used in the photoresist process sequence

2. Why do we keep calcium gluconate in the laboratory??

3. Why are the overhead lights in the lithography room yellow??

1. What is the difference between LPCVD and PECVD? (Note: Saying “The letter E.” is not a sufficient answer.)

1. Explain why chemical mechanical polished (CMP) is essential for making integrated circuits that have hundreds of millions of transistors.

3. Why must an ion implant be followed by a high-temperature annealing step? And what is the down-side of having to do this follow-up anneal??

1. Explain the primary difficulty with evaporation — the reason that it is not suitable for use in modern CMOS process, which have very small features with etched patterns that have a high aspect ratios.?

2. Regarding the previous question — how does sputtering solve the problem that evaporation suffers from??

3. Explain the purpose of standard clean that we used when processing the wafers in the lab. (You need an answer that is more detailed than “It cleaned the wafers.”)?

Why wireless assisted GPS can avoid cold-start occurred in conventional GPS? (Hint, think about how GPS receiver obtain Almanac and Ephemeris)

Power Factor Code Arduino

Develop a Power factor Program in C and upload it into your Arduino

#include <LiquidCrystal.h>

LiquidCrystal lcd(12, 11, 5, 4, 3, 2);

what is the phase difference in phase angle between induced voltage and current in a PMSM controlled to keep maximum torque per amp?

Design a differential amplifier, in Multisim, with a gain of 10000 by cascoding the differential stage of the circuit. Please show parameters used

What is the amplitude of a typical ECG signal is as measured directly from skin surface electrodes? How will this answer guide your amplifier design? What features can you incorporate in your measurement device to reduce noise (especially at 60 Hz)?

What is the frequency content (bandwidth) of an ECG signal? How will this answer guide your filter design?

Enter two valid BCD numbers. Show the result in seven segment display and LED

How to do this using the components dip switch, Two BCD adders 74ls83, And gates, OR gates, 74 ls47 decoder, 7 segment display and LED

Design and build am 8bit DAC using the LM741 OP Amp. Select your resistor values to allow typical current levels into the OP Amp. Analyze the system using five different byte values. The following byte values must be included, 1000 1000, and 1111 1110. Show your work. Use all your knowledge gain while studying under the CET degree,

Q1) Plot the root locus for the following systems where the given transfer function is located in a unit negative feedback system, i.e., the characteristic equation is 1+KG(s)=0. Where applicable, the plot should indicate the large gain asymptotes, the angle of departure from complex poles, the angle of arrival at complex zeros, and breakaway points. Verify your answer using MATLAB (“rlocus” command) and show the results obtained from MATLAB.

a) G(s) = (s + 4) (s + 2) 2 (s +1+ j4)(s +1? j4)

b) G(s) = 1 s(s + 2)(s 2 + 2s + 2)

c) G(s) = (s 2 + 25) s(s +1)(s + 2)

d) G(s) = 1 s(s 2 + 4s + 3)

e)  G(s) = (s + 3) s 2 (s + 4)

f) G(s) = (s +1) s 2 (s + 2)

Part 5 The frequency response of RLC circuits :

Design a passive filter: Band Pass, ISM Band 433.050 MHz to 434.790 MHz . Prepare a report to describe your design. Your results should include the following :
i. Simulation of the designed filters by using any simulation software.

ii. Attach a 1 kΩ resistor as a load to the initial design of your filter. Explain how the transfer function change. Does the type of filter
change? Does the cut-off frequency change?

iii. Is it possible to build a second order filter with only resistors and capacitors? Justify your answers.

Marks will be given based on the literary, originality, design procedures, results, discussion, conclusion, presentation, references and writing skills.

What is the difference between characterization testing (also known as validation) and production testing?

Is there a solution for this anywhere?  Chapter 9, Problem 16P, 5th edition, Matlab for engineers