Analog and audio

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Resolved! Please help identify this transistor, and a possible substitution. It's from a built-in phono/USB preamp from an Austrian manufactured turntable. Thanks!

Hello Could you send me dielectric(s) withstand indicated below? STPSC40H12CWL - STMICROELECTRONICS - between MAX08NG Clips and External Plating / Mold Resin In addition, could you send me test condition applied? Thank for your help,

Resolved! STM32F1 - sending WAV file using I2S problem (SD, FatFs, DMA, I2S, DAC)

Hello!After somet tests on Nucleo and Discovery I wan't to make some more complicated and practice project. I'm trying to make WAV file player from microSD card file.Hardware is based on STM32F103RCT6 connected with microSD card socket and DAC (PCM17...

Problems using PDM To PDM

Dear fellow Devs,I got a problem using the PDM to PCM library. While it seems to be working fine for a single conversion. There seems to be some kind of gap and noise between the results.The picture below shows a 440Hz sine wave.The class i wrote loo...

can anyone help simplifying the spice model of the RHF43. LTspice runs forever when using the BOL or EOL model

Where can I find reliability data for TS882 comparator by ST Micro?

Resolved! TDA7266 instead TDA7266M

I need to fix an audio amplifier that uses a TDA7266M. Unfortunately, I can only find TDA7266 (stereo version) in stores in my city. I compared the pins and it seems that I can use one channel without any modifications. What should I do with a discon...

MA pointers pointing to something else when sampling audio.

Im trying to build a guitar pedal on a STM32F446RE. 'SoundIN' is assigned to a pointer that is assigned to address value of the adc samples. 'SoundOUT' is half of soundIN (Just a test to see if works). However, output pointer '*outPoint' is showing a...

Resolved! Can anyone please help out in identification of this SMD component? What is it and is it available? If not then what is the suitable alternate

Anyone facing choppy audio issue on blue tile chip with STBLE iOS APP and the code which is shared on github as well?

I'm facing the issue with recording an Audio via STBLE iOS APP. connected with blue tile chip.this one is not reflecting on Android. only getting iOS STBLE App is having chopped audio. this issue is also open on github. Please check this attached aud...