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Seeking Simple Digitally-Tunable Mhz Filter

johny radio
Intellectual 820 points

Hi, i'm seeking a bandpass filter chip in the 900 Mhz to 1 Ghz range. Should be tunable with a MCU using SPI, I2C, or another standard interface. 

For RF applications. 

thx

  • 0
    TI__Mastermind 37500 points

    Hello,

    The GC product can provide low pass real filters for complex data, which are tunable, however to make this work with RF, there are more components, IQ demodulator, LO, dual ADC, then GC receive, then GC transmit, then dual DAC, IQ modulator.  This does not seem to match a key word in your post, of simple.

    There are integrated transceivers that have several selected bandwidths, an example (not covered in this forum) you can check under the High Speed Products, the ITRX (integrated Transmit Receive - Radio on chip devices.)

    Regards,

    Radio Joe