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  • RE: OPA891: test circuit description and analyzer/method for THD and IMD measurements

    You are correct, but since these groups are always doing devices for the next rounds of test equipment they always have to do better than anything you can buy. In HD work, source cancellation methods are normally used, one of the very few published references…

  • to find an ADC equipped with buffer and do integration?

    TI Thinks Resolved
    Other Parts Discussed in Thread: ADS7881 , ADS8422 hi Everybody, I am working on a signal which should be sampled and integrated. sampling rate >= 3.3 MSPS resolution >= 12 bit please inform me with an ADC having some buffer on it and calculate…

  • RE: ADS7881EVM restricted dynamic range

    Armand, From your description, it sounds like the DB bus is incorrectly connected and that the host is missing the two MSBs. This would explain a perceived 625mV range, the multiple rollovers and the fact that the max voltages is hitting code 4092 rather…
    • Answered

  • RE: Migrating from CCS V3.1 to CCS v5.1

    Resolved
    Sasha, Please find attached cdb2tcf output. C:\ti\bios_5_41_11_38\packages\ti\bios\config\update>cdb2tcf usage: cdb2tcf [-h] [-d] [-i <customImport>.tci <customSeed>.cdb] [-l <logfile>] [-a <verbosity level>] <application>.cdb…
    • Answered

  • Re: Using the ADS7884EVM

    Resolved
    Hi Pavel, Our breakout board, (we call the evaluation modules), for the ADS8411 was made obsolete. I would recommend going with the ADS7881 because it has a faster sampling rate that will meet your 2.5MSPS requirement, it has an internal clock, and an…

  • Interfacing of ADS7881EVM with TMS320C6713 DSK with the help of 5-6K interface board

    Other Parts Discussed in Thread: ADS7881EVM , ADS7881 Hi, I need to interface an ADC with C6713 processor, I got ADS7881EVM which is 12-bit ADC along with 5-6K interface board but I don't have any idea how to interface them with C6713. I read some documents…

  • C6713 based low cost Spectrum Analyzer

    Other Parts Discussed in Thread: ADS7881 Hi ! I want to develop a DSP based low cost spectrum analyzer having all the features usually a real spectrum analyzer has. I am using ADS7881 to digitize the signal. Is there any one who has done similar project…
    • Answered

  • RTDX- C6713

    Resolved
    Other Parts Discussed in Thread: ADS7881 Hi, I am using ADS7881 to sample analog signal using C6713 DSK. How can I use RTDX to save digital samples to PC ? Actyally my target is to draw statistics based on many data points ? What other options are availabe…
    • Resolved
    • Answered

  • Re: Interfacing 6713 with ADS7881EVM

    Resolved
    Sorry BAS, My mistake here - I told you to connect W2 pin 2 into P2 pin 19 and it should be P2 pin 17. The timer is generating a CONVST signal, fed through P2.17 into the CONVST input of the ADS7881. The ADS7881 generates BUSY which is then fed into…
    • ADS7881_BAS.zip

  • C6713- Configuring SDRAM

    Other Parts Discussed in Thread: ADS7881 Hi, I am using a simple DSP/BIOS program to sample analog signal using ADS7881. I need to save over 1 Million data points to analyze them but there are not much space in IRAM to save all the points. My DSK board…

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