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  • Travour776 commented on usbg3rd's instructable 10W R.M.S. Audio amplifier2 years ago
  • Travour776 commented on usbg3rd's instructable Volume Units Meter2 years ago
    Volume Units Meter

    I made one with lm3915 but that ic was shortcircuited i replaced it with shop to 3916 i will make this.

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  • Power supply (+-5vconst & 0-+-12v variable)

    Is this better or lm2596 upgraded psu will good?

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  • Travour776 commented on krmartin3's instructable DC Boost Converter2 years ago
  • Travour776 commented on usbg3rd's instructable 10W R.M.S. Audio amplifier2 years ago
    10W R.M.S. Audio amplifier

    I wont more than 5w for my pc. 3w is enough so i can use that. Otherwose its stereo and simple and easy. Although there are some 10w amps too. Like PAM8410. How ever thanks for your helps. Because of my school i have not much time on my hobby electronics. But i will make the pcb for this amp soon. But i cant desolder my ic its stuck i think i removed every other things but ic is not removble my thumb was wounded when i was desoldering that. Lol

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  • Travour776 commented on usbg3rd's instructable 10W R.M.S. Audio amplifier2 years ago
    10W R.M.S. Audio amplifier

    helloyeah yeah you are right. But the ic is heat up just like 50C degrees. I don't have any more ICS so I can't replace I saw that u used the schematics on data sheet. So I will make my pcb again using datasheets pcb. Any ways how to stop the noise in this amp? I thought its my PSU maybe it will stop if I use a filter cap like 2200micro farad cap? Also I madea simple amp with a lm386. I was tested and it worked nicely just negligible noise and distortion in the higher volumes. But after 2hours it was crashed I mean that amp was too noisy and sound was Barely distorted even at volume 1. I can't fix the bug I used the same PSU that before distort and after distort that is the PSU that I also used in your amp. I think the problem might be in the lm386 ic. Ilike to know your what are think...

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    helloyeah yeah you are right. But the ic is heat up just like 50C degrees. I don't have any more ICS so I can't replace I saw that u used the schematics on data sheet. So I will make my pcb again using datasheets pcb. Any ways how to stop the noise in this amp? I thought its my PSU maybe it will stop if I use a filter cap like 2200micro farad cap? Also I madea simple amp with a lm386. I was tested and it worked nicely just negligible noise and distortion in the higher volumes. But after 2hours it was crashed I mean that amp was too noisy and sound was Barely distorted even at volume 1. I can't fix the bug I used the same PSU that before distort and after distort that is the PSU that I also used in your amp. I think the problem might be in the lm386 ic. Ilike to know your what are thinking about that. Thanks by the way for your help in this case I'll tell you if my amp is worked. I think that will work.

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  • Travour776 commented on usbg3rd's instructable 10W R.M.S. Audio amplifier2 years ago
    10W R.M.S. Audio amplifier

    Sorry about account. Im the guy that named pansilu and kasun. Sorry about that.

    I saying that when im connect speaker directly to the input, its power(loudness) is more than output of amp! So its just a useless one. Althougt i thoght once that amp wants more power but im using 2A power supply so i think its immpossibe. And you are correct there some dry solder joints but i thought they connected nicely. I havent bread board so i cant test it so i have to remove all components and make it again. Somehow my circuit has a problem. Bcs 2. 2u cap's pcb trace was vanished. So now im jointing input with 1st pin using a wire. Its a bypass now(the2. 2u cap). And also its just works when 1st pin and 2nd pin of ic is shorting! And sound isnt amlified. Also reply to this.

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