• ADC -> digital filter -> I2S Audio

    I'm using the STM32F407 Discovery Board to implement a digital band pass filter, this board has a CS43L22 Audio DAC which I want to use for output, (not in analog pass through mode).   However, this seems t...
    Nicholas Parker
    last modified by Nicholas Parker
  • STPA003CD-48X Short circuits and open circuit operation

    Hello, team.   My customer is using STPA003CD-48X and developing new H/W. In the datasheet (5.3.1 Short circuits and open circuit operation),   >In case of short circuit to ground or Vcc, the amplifier ex...
    Tatsuyuki Kurosawa
    last modified by Tatsuyuki Kurosawa
  • Hi, I need FIT and MTBF data for LM211D/DT. I searched the website but I did'nt get it. Can anybody help???

    Hi, I need FIT and MTBF data for LM211D/DT. I searched the website but I did'nt get it. Can anybody help???
    sarang bhondekar
    last modified by sarang bhondekar
  • TDA7265B free samle

    Hi, I need a free sample of TDA7265B. It is a class-AB two-channel power amplifier. I didn't find in a list of free samples of integrated circuits of its class. There is a TDA7265 chip, it is very similar but not the ...
    Volodymyr  Golubnychyy
    last modified by Volodymyr Golubnychyy
  • TDA7265B free sample

    Hi, I need a free sample of TDA7265B. It is a class-AB two-channel power amplifier. I didn't find in a list of free samples of integrated circuits of its class. There is a TDA7265 chip, it is very similar but not the ...
    Volodymyr  Golubnychyy
    last modified by Volodymyr Golubnychyy
  • L9663-1-IBIS Model Required

    Hi, IBIS model not available for this  part number . L9663-1 Where can i find the IBIS model ? Is there any I/O model i can use for this part number?   Thanks and Regards Arunkumar K
    Arun Kumar
    last modified by Arun Kumar
  • why the ADS model of PD84008-E can't be installed into ADS?

    Hello       I am trying to design a 2w transmitter with frequency range of 72mhz to 73mhz, I want to use PD84008-E; I've download  it's ADS model, but I am failed to unzip it into ...
    andrew liu
    last modified by andrew liu
  • How to tell if TDA7293 is fake?

    As I know there are some TDA7293 fake chips remarked from TDA7294.  I got the tip how to verify if the chip is fake: " multimeter test: TDA7294 pin 11, pin 12 empty legs, open state is insulated TDA7293 pin 11...
    ho.roger.001
    last modified by ho.roger.001
  • Analog Mems Microphone for Ultrasound Range

    Hello everyone,   I apologize if my question is too basic for this forum but i've been reading so many sources in the internet and i am still confused and I am pretty much new in this subject.   I want to ...
    Nabila Gina Nastiti
    last modified by Nabila Gina Nastiti
  • STDP 9320 Athena

    Hello,  i am using BRD TV Board (Athena STDP9320 based), I want to know, which IR Glasses is supported by BRD Board. 
    Yash Trivedi
    created by Yash Trivedi
  • USB Audio and I2S MCLK? Independent Word Clocks!

    I work (again) on USB Audio on STM boards. It works, I get the audio from PC to board (or vice versa), so far OK. FW works, example/demo code is helpful, no issues from a SW coding point of view.   My issue is: ...
    jaekel.torsten
    last modified by jaekel.torsten
  • STD5N52U 

    STD5N52U   Does anyone know this one have 2 device heat sink? Attached is label photo and parts picture
    jilly gong
    last modified by jilly gong
  • How can I read analog to send computer on serialPort by using uart?

    Hello I am Üzeyir. I use stm32f4 discovery.  I should read analog value on simulink.  I made a basic application. My application is that i use potansiyometre because of channing of analog value. If...
    uzeyir varli
    last modified by uzeyir varli
  • STM32F217 I2S

    I'm using stm32f217 controller for my project where i have to interface with tlv320aic1106(pcm audio codec), which requires mclk of 2.048 Mhz and a pcmSync signal of 8khz, But when I tried configuring the i2s module ...
    sudheer nulu
    created by sudheer nulu
  • ESR/LCR Precision Meter design and implementation...

    Hello 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 ...
    Zaher
    created by Zaher
  • tda7498e

    I've just managed to blow up 2 TDA7498E D Class amp chips when testing the first run of 25 production boards. This is the first time we have managed to damage any chips in over a year of prototype testing.  ...
    Hugh Worrall
    last modified by Hugh Worrall
  • Starting to do some DSP with STM32F7Disco

    Hi everyone:   I am trying to build an audio effects processor on the STM32F7Discovery board. I am relatively new to this matter as I have never used a microcontroller before, and I am having a bit of trouble tr...
    Carlos Lopez
    last modified by Carlos Lopez
  • Audio switch AS21P2TLR reference design

    Hello, Do you have a reference schematic design for an audio application of the AS21P2TLR ? Best regards,
    Nico Pat
    last modified by Nico Pat
  • LM358: Circuit verification

    Hello 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 an...
    jom sabu
    last modified by jom sabu
  • Where can I download the mp3 codec library?

    Greetings. 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...
    Jeff Shedrawi
    last modified by Jeff Shedrawi