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Digital Audio Sinewave Generator, a project draft
Brian wrote: I am genuinely interested in what sort of components you are able to get, both from local stores (do you have those?) and via the mail. And what sort of prices you...
Friday, 14 February 2020 - 18:21
Digital Audio Sinewave Generator, a project draft
Thank you, Jim, for your personal care.   By the way, if I was able to get anything from abroad (paid or gifts) in these days, I wouldn't have the necessity to dream of...
Friday, 14 February 2020 - 14:37
Digital Audio Sinewave Generator, a project draft
Thank you, Jim, for reminding me the analogue IC (XR2206) by which I built, about 40 years ago, the first two signal generators for my various tests (both are...
Friday, 14 February 2020 - 12:47
Digital Audio Sinewave Generator, a project draft
Yes, I can't read any PM... and even I can't update my profile. In other words, when I try accessing other than the AVR forums I just get a blank page... till I feel bored...
Friday, 14 February 2020 - 12:34
Digital Audio Sinewave Generator, a project draft
Sorry Jim, it seems you forgot that I can access the forums only
Friday, 14 February 2020 - 11:58
Digital Audio Sinewave Generator, a project draft
I will upload my work, when finished, as a project in memory of ATMEL; the last American company that didn’t have to close its door every time I knocked on it, for more than 25...
Friday, 14 February 2020 - 11:18
Digital Audio Sinewave Generator, a project draft
Brian, so you know already how an ATmega8L and a simple passive RC filter can generate sinewaves from 615b Hz up to 18 KHz with low THD (at any...
Friday, 14 February 2020 - 11:15
Digital Audio Sinewave Generator, a project draft
Hi JIm,   As I mentioned earlier, I needed to build this rather simple generator (which will be made to cover the audio bandwidth, from 20 Hz to 20 KHz) for one of ...
Friday, 14 February 2020 - 11:09
Digital Audio Sinewave Generator, a project draft
Yes, your two points are valid indeed.   But it happens that my routine/code lets just one passive RC filter do its job properly; by giving a low THD...
Thursday, 13 February 2020 - 23:26
Digital Audio Sinewave Generator, a project draft
Your suggestions are good, Wh0-me. But the "necessity" here is that, besides the passive RC filter, there are ATmega8L and 8 MHz crystal only... nothing else   By the...
Thursday, 13 February 2020 - 22:51
Digital Audio Sinewave Generator, a project draft
My teacher?! PWM?! Aren't you kidding, Jim But perhaps this is the first time you heard of me   If you are serious, you will real surprise me if you...
Thursday, 13 February 2020 - 21:48
Digital Audio Sinewave Generator, a project draft
Hi JC,   First, I like to thank you for the interesting analysis of the subject.   Second, you are totally right. Using DDS, R-2R ladder or PWM cannot help in...
Thursday, 13 February 2020 - 19:30

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