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Scott Deuty

PWM Pulse Width Modulation; Basics and Some Advanced Concepts

Scott Deuty
Victor Lorenzo
Victor Lorenzo
5/12/2017 12:30:22 PM
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Blogger
Digital PWM
Modern general purpose and speciallized motor control SoCs from several manufacturers include counter/timer modules supporting PWM generation. Some targeted to BLDC motor control applications include other features like multi-channel synchronization referenced to pulse edge and pulse center, on-the-fly prescalers and divisors update and many other nice features.

I use PWM extensively, from LED/backlight dimming, to single bit DAC, to high voltage generation.

If I find the time I will share some day the design of one digital delay unit with single bit ADC, 64kbit memory and single bit DAC that a colleague and I designed almost 20 years ago for a guitar effects processor. The single bit DAC used PWM.

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unblockedgames567.com
unblockedgames567.com
5/10/2017 10:27:55 PM
User Rank
Newbie
Very clear explanation
This is good, 192.168.0.1, i mean it,very  good. 

It brought back memories of my early days learning about transistors. When I was in college, it was all about tubes, and semiconductors were in their infancy.

I still have some CK722 PNP junction transistors that were packaged in a blue case. I wonder if they still function.

Keep up the great work!

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