Most Recent Blog Posts

Jan 26, 2017

An Amateur’s View on the P2 (Part 2): Slew Rate and the Oscillator3

Justin Mamaradlo takes a further look into the P2 op amp and how it functions, analyzing the oscillation and slew-rate characteristics of the....More
Dec 12, 2016

An Amateur’s View on the P2 (Part 1)

Justin Mamaradlo performed LTSpice simulations on the venerable P2 op amp, prompted by a recent Electronic Design article on an updated varactor....More
Jul 15, 2016

Simple Yet Effective ESD Testing Methods for Higher Reliability11

There are multiple ways to test for electrostatic discharge, ranging from implementing a human-body or machine model to....using a balloon and a comb?....More
Apr 08, 2016

Confabbing on the Fabless Fad5

High capital and maintenance costs, and EDA advances along with abstractions to deal with chip complexity, have been leading contributors to the....More
Mar 02, 2016

Home or Very Small Office Electronic Circuit Prototypes, Part 425

Part 4 focuses on testing for a reflow oven and build of a mixed SMT/through-hole board....More
Jan 04, 2016

Building Home or Very Small Office Electronic Circuit Prototypes, Part 330

Part 3 delves into critical equipment for testing today's electronics, and provides updates on circuit-board designs from Part 1....More
Nov 16, 2015

Building Home or Very Small Office Electronic-Circuit Prototypes, Part 28

Part 2 gives step-by-step instructions on how to turn a Black & Decker TO1675B convection countertop oven into a temperature-controlled reflow oven....More
Oct 07, 2015

Building Home or Very Small Office Electronic-Circuit Prototypes, Part 129

This first part in a series goes through the steps of creating a preliminary design for a small and inexpensive hobbyist/limited-technology-prototype....More
Sep 16, 2015

What is All This Nanogenerator Stuff, Anyway?

Nanogenerators, which harvest energy from the environment, could be the next big thing in renewable energy....More
Aug 11, 2015

Proof-of-Concept Prototypes versus Manufacturing Design Preparations4

I have designed many early-stage proof-of-concept (POC) circuits, and observed many others do the same thing. It seems that there is often a huge....More
Aug 04, 2015

Inconspicuous Pitfalls in Datasheet Analysis2

Identifying the limitations of a datasheet saves lots of time, and cost, in terms of troubleshooting and redesigning circuits....More
Jun 30, 2015

Four-Wire Sensing Can Make or Break Your Measurements7

Erroneously implementing four-wire sensing into a measurement instrument can be disastrous, so it becomes critical to have a firm grasp of how sense....More
May 29, 2015

Engineering Education: Fact and Fiction66

I have taken a keen interest in the dialogue (that has been going on for many years) about the quality of engineering education in the U.S....More
May 01, 2015

Transition from the Academe to the Industry Unraveled (Part 2)4

Some few months ago, I wrote an article contrasting academe and work life as well as the adjustments and precautions that had to be made by a typical....More
Mar 06, 2015

Programming Efficiency: Part 24

A number of years ago I did some work on a PABX. The device was electromechanical and far from state of the art, but the owner had been talked into....More
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Jan 26, 2017
blog

An Amateur’s View on the P2 (Part 2): Slew Rate and the Oscillator 3

Justin Mamaradlo takes a further look into the P2 op amp and how it functions, analyzing the oscillation and slew-rate characteristics of the venerable component....More
Jul 15, 2016
blog

Simple Yet Effective ESD Testing Methods for Higher Reliability 11

There are multiple ways to test for electrostatic discharge, ranging from implementing a human-body or machine model to....using a balloon and a comb?...More
Apr 8, 2016
Commentary

Confabbing on the Fabless Fad 5

High capital and maintenance costs, and EDA advances along with abstractions to deal with chip complexity, have been leading contributors to the fabless migration....More

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