Analog and audio

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Forum Posts

ESR/LCR Precision Meter design and implementation...

Posted on February 11, 2018 at 18:17Hello guys,I have recently found myself in a situation where I needed an ESR/LCR meter to do some troubleshooting of a PSU for an old TV set. As usual, the first thing that came to my mind was 'why not build one m...

Zaher by Senior II
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LM358: Circuit verification

Posted on January 12, 2018 at 12:26Hello Sir,We have used opamp ic LM358 in our audio project, which used for amplification of signal from mic to adc of microcontroller.Could you please verify the attached circuit, let me know if you have any commen...

jom sabu by Associate
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Where can I download the mp3 codec library?

Posted on July 24, 2017 at 15:03Greetings. I need to use the mp3 codec library specifically developed for STM micro-controllers for my audio project (mentioned on the ST website). Nevertheless, I neither found the library to download it nor was I ab...

Processing multiple (stereo) output channels at once?

Posted on January 05, 2018 at 00:52Hello,I'm sorry but I am new to the forum and have no experience with ARM platforms at all. I have just realized Arduino projects or other ones using SBC's like Raspberry, but for my upcoming project the STM32F4 mc...

STD5N52U

Posted on December 22, 2017 at 08:22STD5N52U   Does anyone know this one have 2 device heat sink? Attached is label photo and parts picture

Input bias current TS3022

Posted on November 28, 2017 at 12:11Hello,I have a question about the TS3022 dual comparators.The datasheet states an input bias current of 300nA max. over full temperature range.Compared to similar competitor parts this is almost two orders of magn...