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soohoon lee
Hi. I'm soohoon. I have bluecoin device.   I have question.   1. Now Beamforming is fixed in the one direction I set,     I want to make automatically BF in the direction of sound.   What should I do?   2. Now I know souce Localization only angle.    I think it is possilble that I know distance using 4 microphone.   Is it possible? if it… (Show more)
in Analog and Audio
Amit Gupta
Hi, I am trying to download AP workbench but it says file does not exist, please help me where to download this file.   Regards,
in Analog and Audio
jom sabu
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 any comments.   Regards Jom
in Analog and Audio
Charlie Blackwall
   Hi, I'm quite new to the STM32F4 and am currently trying very simply to play audio from a binary file flashed into memory. I'm using eclipse with the ARM tool chain and the supplied drivers. I'm getting stuck on playing a binary audio file flashed into the chip at a specific address. I've very simply based my code on some of the example files,… (Show more)
in Analog and Audio
Dave Kearney
Hi, I'm looking for an op-amp to buffer a signal and provide an output of 2 -> 5V to a load of 100 - 200R. This would require driving the load with 50 - 100 mA. The LMX358IQ2T has a specified output source current of 60-70 mA, but I'm not sure if this just means an absolute max or a max where the output voltage signal will be maintained? Will the… (Show more)
in Analog and Audio
Nicholas Parker
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 to create a challenge as the data flow to the DAC must have a continuous clock signal from the STM32F407, so this means the DAC update  rate… (Show more)
in Analog and Audio
Tatsuyuki Kurosawa
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 exits from the three-state condition >only when the output returns inside the limits imposed by an internal voltage comparator. Could you please… (Show more)
in Analog and Audio
sarang bhondekar
Hi, I need FIT and MTBF data for LM211D/DT. I searched the website but I did'nt get it. Can anybody help???
in Analog and Audio
Volodymyr  Golubnychyy
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 same. What ca I do in this case? Thank you in advance.
in Analog and Audio
Volodymyr  Golubnychyy
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 same. What ca I do in this case? Thank you in advance.
in Analog and Audio
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