Analog and audio

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Forum board changes

Dear community member, The “Analog and audio” topic is no longer supported on the ST community. The legacy content is available only by the read-only basis. If you have any requests regarding "Analog and audio”  topics, check the alternative support ...

How to know the integrated model

I have an integrated one of an ultrasonic washing machine.This when measuring its frequency oscillates in 80kHz, but after a few minutes it begins to decrease the frequency and increase uncontrollably, so I have decided to change it.the question is t...

RCoto by Associate
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Biquad Design Tool - error importing custom response

Hello, hopefully this is the right place to post this.I am trying to use the Biquad Design Tool (v1.0.0.0) that is described in the Birquad Library UM1625 manual as part of the X-CUBE_AUDIO firmware package. I'm trying to generate a simple bandpass f...

What is the ACPI HID for the ST TDA7802 amplifier?

Hi, I'm writing a Linux audio driver for an Intel platform which requires an ACPI firmware node in order to enumerate the device. Other Intel drivers [0] use the i2c-ACPIHID:00 naming convention so I have followed this by setting the CID in my ACPI D...

TPres by Associate
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Can I connect LM2902Q4T NC Pins to VCC-?

Regarding LM2902Q4T, QFN Quad Op-Amp:The datasheet doesn't define the NC pins or whether the can be connected to VCC-.It does say the center NC pad may be connected to VCC-, but not the other two NC pins.It may seem like a silly question, but I've us...

CFran.13 by Associate
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