nmos vs pmos amps
Unity gain followers help us measure on chip signals by providing large currents. It also helps in isolating the measurement device node and the actual on ch...
notes
Reviewer Comments
Types of reviewer comments on submitted manuscripts. Things reviwers are looking for in an article for it to be accepted.
Neural Network to Matrix
Basics For a set of basis functions \(B=\{\Phi_1, \Phi_2\}\) in \(R^3\) any vector \(v\) in the plane spanned by the basis is expressed by linear combination...
Running Spectre Simulation from Python
Running Virtuoso Spectre simulation using OCEAN scripts can be very powerful way to get much out of the simulator. But OCEAN scripts are written in SKILL syn...
A Different Way to Look at Diff Amp
Lets look at inverter. For rail to rail input voltage pulse the invert outputs inverted rail to rail voltage pulse. When input is at ground, PMOS is active (...
Change of Basis
Any n-tuples/vectors in a vector space can be expressed as a sum of scaled basis vectors. The scaling factors are the coordinates of that vector. Lets say t...
Differential Equations, Filters, Poles and Zeros
A constant coefficient first order ODE on the unknown \(y(t)\) and solution is of the form1 Ordinary Differential Equations, Gabriel Nagy ...
Using Crontab
My university workstation is a red hat desktop. It has only one hard disk of 1TB. However, I only get 25GB disk quota for home space. The OS uses all of the ...
Closer Look at Slopes
This article is here to help formulate differential equation from verbal description of a system using the idea of slope. Lets first visit the idea of two va...
Eulers Number \(e\) and Exponential Growth
One of the most important number in mathematics the constant \(e\) that we use as base of natural logarithm, solution to differential equations and even in c...
Cadence Virtuoso
Although school IT dept would generally provide the starting script for cadence virtuoso, I have devised my own way of making the startscript to start virtuo...
Order From Chaos
I was quite taken aback when I saw it for the first time. How can the randomness of any activity can lead to strikingly ordered outcome? The reality that we ...
Using Negative Feedback to Reverse Operation
Every engineering student is familiar with the concept of negative feedback. In electrical engineering it is a useful tool in increasing the stability of a s...
Feedback Sytem
Feedback system is an important concept in engineering priciples. A good uderstanding of the process helps build intuition of any process involving feedback ...
Statistical Approach To Find The Value Of \(\pi\)
\(\pi\) is something very sacred to mathematics and engineering. It is alos one of those divine values that binds the very existance of our universe. One wa...
Why \(0!=1\)?
It is one of those topics that makes sense when I learn it. But as time passes by suddenly it stops to make sense. And I find myself asking the question that...
Recovering Flash Drive Capacity
I usually use my pen-drive/flash-drive to do fresh install of operating systems on my laptop. I would use a ISO burner tool to burn OS ISO on the flash drive...
Linear Discriminant Analysis
For class label \(C \in \{ 1,2, \cdots K \}\) and feature vector \(X \in \mathbb{R}^p\) the classification problem can be described as the probability of a c...
Recovering Windows Boot Manager as default boot manager in dual boot windows and linux system
I don’t know if I am a Linux fan. I am not even a computer nerd. But I like to try out different linux distors on my machine. My introduction to Linux starte...
Ocean Scripting
How to open OCEAN prompt in UNIX shell?
travel
Road Trip to The Grand Canyon++ (Part 3)
December 29, 2017. We were out for our final stage of the tour. South Rim was three and a half hour away from Kingman. Just an hour before our destination th...
Road Trip to The Grand Canyon++ (Part 2)
It was December 28, 2017. The morning was bright with a very comfortable weather at Kingman Arizona. Just within an hour we reached Hoover Dam. An impressive...
Road Trip to The Grand Canyon++ (Part 1)
The daylight hadn’t hit the morning sky yet. But there was a dream beaming in the minds of five people as bright as daylight. Aiming for a long long road ahe...
The Mighty Niagara Falls
Straddling the United States and Canadian border with New York on one side and Ontario on the other a river cuts through unyeilding rocks with all its might,...
ইতিহাসের এক টুকরো
১৯৩৯ সাল। গোটা বিশ্ব তখন ধ্বংসের মাতাল খেলায় উন্মত্ত। জার্মানির আক্সিস ফোর্স তখন অপ্রতিরোদ্ধ শক্তির মত খেলার মাঠ দাপিয়ে বেড়াচ্ছে। আর্টিলারি শক্তি তো আছেই। জা...
thoughts
আবোল তাবোল
ধনধান্য পুষ্প ভরা আমাদের এই বসুন্ধরা তাহার মাঝে আছে দেশ এক সকল দেশের সেরা ও সে স্বপ্ন দিয়ে তৈরি সে দেশ স্মৃতি দিয়ে ঘেরা এমন দেশটি কোথাও খুঁজে পাবে নাকো ত...
Climate Change and Our Perspective (Existential Crisis 3)
Global climate is changing. The average temperature of earth has increased over the last few decades and is increasing at an alarming rate. Global worming is...
Carpe Diem (Existential Crisis 2)
What is the meaning of life? Is there any divine purpose set by a higher being that we are too busy to recognize? Do we live for ourselves? Or do we live for...
Library of Babel (Existential Crisis 1)
Have you ever had one of those moments when your mind struggles to conceive the very reality of the foundation we live in? Of course you have. Every one of u...
hobbies
বোগড়্যার লোকেগেরে কতা
গরম আজক্যা, বাইরে চিটমিটানি রোদ উটসে।
Fish Riddle
I found this riddle in a TEDEd vieo. The reason I am including it here is that it is one of those problems that helped me learn to put together simple tools ...
We Are What We Eat
In these days of Hi-Tech world with thouch of modernism influcencing almost all aspects of our lives, we (or at least me) do not put much thought about how w...
World War II
A useful infographics on the casualties of world war II and trend of conflicts since earliest documented cases to this day. More information on this project...