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Class D Switching Power Amplifiers and Power D/A conversion

ucd 25 watts to 1200 watts using 2 mosfets
ucd 25 watts to 1200 watts using 2 mosfets
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Old 24th February 2018, 06:32 AM   #4671
kartino is offline kartino  Indonesia
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Quote:
Originally Posted by toreto009 View Post
Hello Mr. Kartino. What do I need to change in the circuit to start with a power supply of 65-70 volts?
Only keep the op amp at input stage to be enough voltage supply, no drop.
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Old 24th February 2018, 06:34 AM   #4672
kartino is offline kartino  Indonesia
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Quote:
Originally Posted by NMOS View Post
Dear Mr. Kartino


Do you have distributor for assembled PCB from this amp ?

I want buy if possibile


please send me PM if available
Sorry that the PCB is not available at this moment.
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Old 26th February 2018, 09:29 AM   #4673
Dinithm is offline Dinithm  Sri Lanka
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Quote:
Originally Posted by manojtm View Post
Hi Hadi,

can you help me to program PIC 16F88 and TDA7419

Regards
MANOJ
use mikroC 2009 or 2011
I2C library its really easy
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Old 26th February 2018, 09:38 AM   #4674
Dinithm is offline Dinithm  Sri Lanka
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Quote:
Originally Posted by Hadighorbani View Post
hi
i work with stm32f7 too
i want use tda7317 and 7318 in my design.
please share your tda7416 schematic with me in q1audiopro@gmail.com
do you have advice for me about audio processor ic ?
i like DSP for this type projects.
thank you
I dodnt use DSP library,(cubemx,KEIL) stm32f103c8 board to control LCD and I2C audio prosessor and usb mp3 decoder chip(china) easy
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Old 26th February 2018, 09:41 AM   #4675
Dinithm is offline Dinithm  Sri Lanka
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Quote:
Originally Posted by sumeshak View Post
Hi Sir,
You ca easily interface TDA7419 with arduino(ATMEGA328P)
yes its easy and good,
but the problem is ADC reading speed and LCD responce time
PIC and arduino libraries cannot adjest ADC read time and LCD dealy time.so the spectrum annelyzer not responce smooth

Last edited by Dinithm; 26th February 2018 at 09:47 AM.
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Old 28th February 2018, 03:01 PM   #4676
manojtm is offline manojtm  India
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Quote:
yes its easy and good,
but the problem is ADC reading speed and LCD responce time
PIC and arduino libraries cannot adjest ADC read time and LCD dealy time.so the spectrum annelyzer not responce smooth
Hi,

except spectrum all i need (sub(frq adj & Q adj)+bass+mid+treble+balance+fader+input select etc.. LCD with encoder

Regards
MANOJ
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Old 1st March 2018, 05:59 AM   #4677
Dinithm is offline Dinithm  Sri Lanka
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this is mikroc cord for TDA7318 PIC16f887

rotary encoder+ china remote +LCD module+EEProm memory

https://www.youtube.com/watch?v=RcGN6nR861I

try your own C cord , help with this ,I2C send, bass,trible,volume- calculation,rotary encoder part,IR sensor part,innerupt
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Old 2nd March 2018, 06:02 PM   #4678
Hadighorbani is offline Hadighorbani  Iran
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Quote:
Originally Posted by manojtm View Post
Hi,

except spectrum all i need (sub(frq adj & Q adj)+bass+mid+treble+balance+fader+input select etc.. LCD with encoder

Regards
MANOJ
Hi
select a stm32 chip
i will write a code for your chip
I2C is a simple protocol for me
you help me before and i am happy for help you
have good time bro
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Old 12th March 2018, 01:15 PM   #4679
CDJKuznec is offline CDJKuznec  Russian Federation
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ucd 25 watts to 1200 watts using 2 mosfets
Hello dear. Can we help me in my triell 3200? What resistor i must be replace for +/- 54v supply?
P.s. post #4667.
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Old 16th March 2018, 06:11 PM   #4680
Dimonis is offline Dimonis  Russian Federation
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Небольшой оффтоп на злобу дняPUnEHjyRNuI.jpg
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