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HMC681 IF Amp

What exactly is the function of P/S in HMC-681ALP5E IC?  Can this be used as Enable / Disable pin for the IC?

Also HMC681 only uses only 6 serial bits for programming. Is it safe to assume all Data other than the last six before LE goes high are ignored by the chip (let us say first 18 out of a 24 bit stream)?  

Parents
  • Hi, I know I am a bit off topic, but if you know the answer, please share:  

    Relative Gain is expressed in negative dB in the

    HMC681ALP5E

    data sheet truth table: 

    Usually negative dB mean attenuation, however, the device is supposed to be a 45db Amplifier. How to achieve amplification? 

    Thank you! 

Reply
  • Hi, I know I am a bit off topic, but if you know the answer, please share:  

    Relative Gain is expressed in negative dB in the

    HMC681ALP5E

    data sheet truth table: 

    Usually negative dB mean attenuation, however, the device is supposed to be a 45db Amplifier. How to achieve amplification? 

    Thank you! 

Children
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