2021-09-21 - Arthur Pini

How to maximize the accuracy of your oscilloscope measurements

Getting the most out of the accuracy of your oscilloscope is not hard but it takes some attention to detail.

2021-09-16 - K. Bharath Kumar

Using the substitution theorem to derive Thevenin resistance values with SPICE

In this Design Idea, we explore how the substitution theorem of network analysis can been applied to SPICE circuit simulation…

2021-09-14 - Patrick Van Torre

A fully analog electronic dice

Here's a design of a fully analog electronic dice with a limited number of components and can be implemented on…

2021-09-13 - Brad Griffin

Why power-aware signal integrity analysis matters in DDR5 design

DDR is used on many of the interfaces in computer systems, one of which relates to the way the processor…

2021-09-03 - Bonnie Baker

Solving PCB switching noise with simple layout rules

Find, quantify, and remove potential PCB capacitances that lead to signal integrity issues caused by switching noise with a few…

2021-09-02 - Dave Conrad

AC-coupled TIA rejects bright ambient light sources

Using an AC-coupled transimpedance amplifier can greatly improve green LED-illuminated heart beat sensors' immunity to noise and other extraneous environmental…

2021-09-01 - Larry Stabile

Relay clock employs hysteresis for state retention

Retro-engineering and Steampunk can sometimes venture into electrical design areas that may not have been trodden in the past.

2021-08-31 - Jim McLucas

An inexpensive, precision power supply

This Design Idea presents a precision power supply that has thermal overload protection and short circuit protection, and can supply…

2021-08-30 - Patrick Van Torre

A discrete auto power-off timer with excellent characteristics

This circuit employs positive feedback to make the power-off transition much steeper.

2021-08-24 - Larry Stabile

Relay hysteresis provides toggle function

How the humble electromechanical relay can be used to implement a push-on/push-off function and a binary counter.