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CCS/AWR1642BOOST: Questions about the AWR1642EVM 's band-pass IF chain

user4429644
Prodigy 10 points
Part Number: AWR1642BOOST
Other Parts Discussed in Thread: AWR1642

Tool/software: Code Composer Studio

   AS the User manual said " The AWR1642 is targeted for fast chirp systems. The band-pass IF chain has configurable lower cutoff frequencies above 350 kHz and can support bandwidths up to 5 MHz."It just says the cutoff frequency can be less than 350Khz.I want to know what the minimum band-pass filter cut-off frequency is.

                                                                                                                                                                                                                                                                                           thanks

                                                                                                                                                                                                                                                                                           fang.

                                                                           

  • 0
    TI__Mastermind 22155 points
    Hello Yao Wang,

    In the analog IF stages there are 2 HPFs with independently configurable first order high pass filtering corner frequencies.

    The programmable corner frequencies :
    HPF1(kHz) : 175, 235, 350, 700
    HPF2: (kHz) : 350, 700, 1400, 2800

    Hope this answers your query.

    Thanks,
    Raghu