2023-02-24 - Stephen Woodward

Cancel PWM DAC ripple with analog subtraction but no inverter

Using an inverter-free solution to attenuate the PWM DAC output ripple and achieve nearly the same ripple performance and nearly-as-fast settling time as the inverter-based filter.

2023-02-20 - Stephen Woodward

Cancel PWM DAC ripple with analog subtraction—revisited

Improving upon an old design idea for filtering and attenuating PWM DAC output ripple to yield an increase in respond speed without any increase in circuit complexity and cost.

2023-02-14 - Christian Huber

How gate driver enables a wide range of battery voltages

A single gate driver design can serve a wide range of voltages for various motor power levels while delivering significant savings in time and resources.

2023-02-09 - Steve Hanna

Are you prepared for zero-day threats?

A zero-day threat is based on a security vulnerability that was not previously detected, leading to catastrophic consequences.

2023-02-08 - Michael A. Shustov

Universal purpose optoelectronic logic elements

This design idea looks at the possibility of creating passive and active optoelectronic logic elements simultaneously performing the functions AND, NAND, OR, NOR, XOR, XNOR.

2023-01-20 - Steve Hageman

My favorite design idea of all time…

A look at some clever design ideas that might stick with you through the decades.

2023-01-16 - Michael A. Shustov

The electronic analog of the push-button switcher

Using bistable elements to create the electronic analogue of the push-button switcher.

2023-01-10 - Peter Demchenko

A safe adjustable regulator

This design idea runs through several circuit topologies using the LM350 (LM317) to come to an optimized safe adjustable regulator.

2023-01-04 - Stephen Woodward

Transistor ∆VBE-based oscillator measures absolute temperature

Building on a handy Jim Williams' application note exploiting the predictable BJT VBE change with variable current for temperature measurements.

2022-12-19 - Bill Schweber

How many ways can you ramp an LED?

The "thought question" of how to slowly cycle an LED's intensity up and down leads to some interesting design ideas.