EDN

Wideband fully differential amplifier noise improved using active match

Since its first appearance in 1999, the single to differential application of wideband fully differential amplifiers (FDAs) have used a resistor to ground as part of the input match at the cost of ...
Electronic Design

So…LTspice of the K2-W Op Amp Reveals the Mad Scientists’ Fingerprints (Part 3)

LTspice simulation of the K2-W Vacuum Tube Op Amp’s design reveals the mad science that created a commercial revolution in 1950s and 1960s analog computing. The K2-W's first-stage differencing ...
EDN

Simple diff-amp extension creates a square-law characteristic

Back on December 3, 2024, a Design Idea (DI) was published, “Single-supply single-ended inputs to pseudo class A/B differential output amp,” which created some discussion about using the circuit as a ...
New Electronics

DESIGN TIPS from ADI: Increasing the Common-Mode Rejection Ratio of Differential Amplifiers

Differential amplifier circuits, such as the one illustrated in Figure 1, are required in analogue technology for a wide variety of applications. One example is measurement technology in which, ...
Electronic Design

How to Model Statistical Tolerance Analysis for Complex Circuits Using LTspice

How to use statistical tools for component tolerance analysis. A look at methods such as Monte Carlo and Gaussian distribution. Simulating a dc-dc converter in LTspice to model closed-loop voltage ...