EDN

Seemingly Simple Circuits, Part 4: Diff-Amp Common-Mode Rejection

The three circuit coefficients, T i+, T i-, and A 0 are part of the one-op-amp diff-amp model as developed in Part 1 of this article. By substituting for v + and v – in the v O equation and ...
EDN

Seemingly Simple Circuits, Part 1: The One-Op-Amp Diff-Amp

The following is Part 1 of a four-part series. The basic one-op-amp differential amplifier consists of one op-amp and four resistors. Yet few have contemplated the depth of its complexity. It is ...
Cars

Part 1 - What's the Diff? Ford F-150 SVT Raptor vs. Dodge Ram Power Wagon

Words by John Stewart, Photos by John Stewart, Mike Levine, Ian Merritt. Special thanks to Marlin Atlantis real estate for the use of their 1,800 acre property in Boerne, Texas. Our comparison of the ...