Notes

nmos vs pmos amps

1 minute read

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...

Reviewer Comments

3 minute read

Types of reviewer comments on submitted manuscripts. Things reviwers are looking for in an article for it to be accepted.

Neural Network to Matrix

2 minute read

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

4 minute read

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

2 minute read

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

2 minute read

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...

Using Crontab

1 minute read

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

6 minute read

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

3 minute read

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

5 minute read

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

2 minute read

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 ...

Feedback Sytem

3 minute read

Feedback system is an important concept in engineering priciples. A good uderstanding of the process helps build intuition of any process involving feedback ...

Why \(0!=1\)?

2 minute read

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

2 minute read

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

3 minute read

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...