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TIDA-01036: Clarification of BOM/Design guide.

periakarrupan p
Prodigy 35 points
Part Number: TIDA-01036

we are planning to used TIDA 01036 board for filtering signals from AWG to validate our ADC Board. The  values calculated in the design guide (https://www.ti.com/lit/pdf/tiducc9a are different from the one mentioned in the BOM  https://www.ti.com/lit/pdf/tidrnx6.

which document (BOM/Design guide) values should we use for achieving the bandpass filter with the specifications mentioned in the document

center frequency      2khz

passregion                  (–3-dBBW)250 Hz

stopbandattenuation     80 dB

Stopband(BW)         1.29kHz

Is there any TINA simulation file available for simulating the circuit?

  • 0
    TI__Expert 4090 points

    Hi periakarrupan,

    Thanks for reaching us and showing interest on TIDA-01036 reference design .

    I can see error in BOM that capacitor value not updated. please refer the design guide calculation and schematic which are correct values.  

    For simulation file, i will check and came to you. pls share you official email id.

    Thanks

    Anbu Mani

  • 0 in reply to Anbu Mani
    Prodigy 35 points

    hi  Anbu Mani,

    Thanks for the response.

    The error in the BOM is not only about capacitor values but also in the values of feedback resistor and attenuation resistor for stage II to stage VI. In BOM and schematic same values of stage I are replicated in stage II to stage VI whereas in design guide the stage II to stage VI values are different from that of BOM/schematic.

    As of now we are proceeding with values mentioned in the design guide. You can share the simulation file with me through my email (ppkarupan@bel.co.in)

    regards

    periakarrupan

  • 0 in reply to periakarrupan p
    TI__Expert 4090 points

    Hi Periakarrupan,

    TINA File share with your email id and let me know if you need any further help.

    Regards

    Anbu M