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PWM
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  • Forum Post: Using MSP430 to drive PWM audio

    Don Dapkus
    While this should in theory work, and I believe customers have done this with the MSP430, we do not have any information on how to interface the MSP430 to our audio devices. If this is something that would interest you, please reply to this post so we can judge the interest out there for such an app...
    on Jan 9, 2009

  • Forum Post: What is major cause issue of burnout of high power AMP.

    YG Kim
    1. What is major burnout cause issues in high wattage power AMP?. 2. How can select ESD damage parts before burnout during mass production line?. 3. Do we have any special function?. Ans 1). The major cause issue is same time turn-on of high and low side internal H-bridge switching FET by some kind...
    on Jan 9, 2009

  • Forum Post: How can I reduce standby power loss by AD mode and EMI noise level?

    YG Kim
    To reduce EMI noise and switching power losses at 50:50 duty cycle, when using AD mode, use two step SMPS output voltage control. Set-up two different SMPS output voltages, just like class-G topology. For example : set-up SMPS output x volt and Y volt (X volts > Y volts). Y volt support low wattage...
    on Jan 10, 2009

  • Forum Post: Amplifier Shutdown when driving speakers

    Fred Shipley
    I have validated by amplifier design and I have good results when I test it with load resistors. When I connect it to my speakers and play program material or a test sweep at high power, the amplifier occasionally shuts down. I have confirmed that it is an over-current shutdown. Why can I drive resistors...
    on Feb 9, 2009

  • Forum Post: Power supply for Class D amplifier

    Fred Shipley
    Question: I am designing a system containing one of your Class D amplifiers. Where can I get information on a power supply for my system? Answer: We have recently added new power supply reference designs to our tool folders. If you will check the TOOLS for your part there may be a power supply reference...
    on Feb 28, 2009

  • Forum Post: TAS3204EVM

    Steinar Hem
    I am running a TAS3204EVM as a 4 channel active x-over. First of all I still run version 1.50 that came with the box. I have requested for a newer version from 'PurePathStudio@list.ti.com' but haven’t heard anything yet. The input is 2 channels S/PDIF and I am using the TAS3204DigIn_1...
    on Apr 15, 2009

  • Forum Post: TAS5706 Subwoofer PWM Output

    Fred Shipley
    Question: I am building an amplifier that is a 2.1 channel configuration. A single stereo input is to be sent to the device and I need a stereo output and a subwoofer. I understand the filtering, but how should I set-up the downmixing?
    on Aug 21, 2009

  • Forum Post: TAS3308 I2S input to SPDIF and PWM output

    Mathias Buholzer
    I use PurePath Studio GDE V.1.8.2 to programm the TAS3308 EVM - Low Cost. Firstly I like to loop the I2S input signal to the PWM outputs and the SPDIF Output. Just to test the device is running correctly. Unfortonally I don't see someting on the outputs. Did I miss someting? The ProcessFlow is...
    on May 28, 2011

  • Forum Post: bulk capacitor for TAS5611

    Xiaoka Xu
    Hi, I designed a Power Amplifier which used TAS5611 and it works very well. The bulk capacitor that I used is 1000uF, because both the EVM and Schematic of datasheet use 1000uF capacitor. In my case, the input signal has high peak to average ratio, and the frequency is from 14kHz to 20kHz. So, Is...
    on Sep 21, 2011

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