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300W class D power amplifier

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#amlifier #power #diy #newvideo #classd

Опубликовано:

26 авг 2024

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Комментарии : 53

@CXensation 2 года назад

Yup - it sounds exactly like the boyracer car installations with 2 x 1000W. Lots of bass with 50% distortion.

@albertjansen5996 2 года назад

Indeed, this can't work properly, the chip can't do high frequencies and the output filter is completely wrong. And why would you make a 300 watts digital amplifier for a 5 watt speaker. And no speaker protection. I have a lot of the A-Exprss 1kw digital amplifiers and i have to say it sounds as good as my PA's not bad and tested it for 1500 watts a piece and still no problems. I build 12 from them in a box and 8 1500watt power supplies plus and minus 90 volts. Now i don't need to take all 6 2400 watts amplifiers with me and that's great while those weight 6x35 kg and my own made one only weights 30kg ☺️

@CXensation 2 года назад

@@albertjansen5996 The problem with PWM amplifiers are the very harsh clipping if the input is overdriven. You should not modulate to more than 99%, and that is very hard to control with music input. Besides the output filtering problems ... The circuit shown has one BIG advantage though: It is easy to adjust for a set frequency of 50/60HZ sinevawe using it for a pure sine mains converter, provided the circuit is modified for the required voltage.

@16BITMEME 2 года назад

Please make Lab power supply for biggener ( High Current one) 🥺🙏⚡ Simple one

@Muhomorchick 2 года назад

Пора учить английский:)

@yagneshpatel1183 2 года назад

Thanks for such a video. I love to see some amplifier video like this .it so pleasure to see audio freak like me .

@kdcreativity6201 2 года назад

Thats a lot of mosfets 😍🤩🤯🤯

@visionofwellboyofficial Год назад

Where?

@Uraim 4 месяца назад

@@visionofwellboyofficial i want to ask the same xdd

@budipj 2 года назад

I've tried this class d amplifier circuit, it works but there is a hissing noise and the distortion in the bass sound is quite large, so I don't recommend this amplifier I'm from Semarang, Central Java, Indonesia

@rikzakhamami7454 9 месяцев назад

Did you ever try to bump up the supply voltage?, Maybe that distortion in the bass frequency because of the voltage drop across supply voltage

@tiefhardwarelab 2 года назад

thank you for share with us!

@diegfb2001 2 года назад

Download link isn't working!

@electronic7979 2 года назад

Very good 👏

@sagorrana2051 2 года назад

Please build 1000watt class AB Transistor driver board. However Thanks a lot for this video.

@KasyanTV 2 года назад

Thanks. So far we have only a couple of amplifiers for 200 and 300 watts in plans.

@edielnmatos235 5 месяцев назад

Hello, your class d 300w project is very beautiful and I would like to have one of those, but what a pity the layout file is corrupted and does not open in sprint liout. If you can share a valid file I would be grateful. thanks

@iblesbosuok 2 года назад

I think it is better to apply IR2184 or Si8234. See you

@jtk3983 Год назад

layout file cannot be opened

@leonardochiruzzi7642 2 года назад

Another amplifier!?! - Patience!! anyway thanks for the video - PS: you spelled amplifier wrong!! ;-)

@logicaltrojan7750 2 года назад

great video make an class d 5.1 or 7.1 chanel amp....

@smarinetuzla 2 года назад

Hi bro

@susobhan-5139 2 года назад

Can we use sg3525 instead of using expensive ir2153

@therealjammit 2 года назад

I don't think so. The IR2153 is just a mosfet driver. The analog to digital conversion happen in the op-amp in this circuit. The SG3525 is a PWM controller. You might be able to make something work with the SB3525, but it's definitely not a direct drop in replacement.

@susobhan-5139 2 года назад

@@therealjammit no bro lm311 is a comparator ic which is convert analog signal to digital and feed to ir 2153 ocillator pin to enable and disable .Though this concept we can create high frequency spwm signal..

@KasyanTV 2 года назад

2153 dear? no friend, you are confusing something, this is a cheap and affordable IC

@KasyanTV 2 года назад

@@susobhan-5139 At 2153, a conventional converter is made, provides a carrier with a fixed frequency. We modulate the analog signal to this frequency. At the output of such a converter, the signal is far from sinusoidal, the output filter smooths this signal to more or less similar to a sinusoid. Technically, these days the class is far from ideal, in order to compete with the A / AB class, you need to raise the carrier frequency to very high values, and this will cause a number of problems associated with controllers and rather power switches.

@susobhan-5139 2 года назад

@@KasyanTV sir I make a class d amplifier using sg3525a..so that's why I am telling you ..using sg3525 instead of using 2153(using protues software)...by the way have a great day 😃😃

@gacherumburu9958 2 года назад

👍👍

@Catatanhanif1 2 года назад

Mantab mas bro..🤭

@sr.maxwell6808 2 года назад

very good!! like!!

@subhrajithalder6080 2 года назад

First view 🔥 first comment 🔥 first like 🔥

@samoeganyan6449 2 года назад

Klass 🤙🤙🤙🤙🤙🤙

@mariote1359 2 года назад

kiks great thankyou

@paintcob 2 года назад

Greetings, why is it that when two channels are assembled for stereo version, an interference noise is heard in the background, while in a single channel that annoying noise does not appear?

@ruslankorshagin Год назад

Надо разносить частоты шим

@ourchannel8215 2 года назад

do you sell this pcb??

@a.f.e-project5210 2 года назад

is it safe if the speaker output is disconnected or not plugged in when the amplifier is on?

@therealjammit 2 года назад

I would say have a load connected at all times. The inductive kick from an unloaded inductor can get pretty bad.

@KasyanTV 2 года назад

We did not notice any problems of this kind. This device is surprisingly reliable, during the tests I incorrectly connected the polarity several times and nothing happened to it.