HMC468A Maximum input power

As per HMC468A datasheet maximum input power is mentioned as +30dBm, Is it applicable for over operating temperature and frequency range?

I have referred other DSA datasheets which has different values for +25deg & +85deg celsius.

Can you please check and confirm, Because we may expect worst case RF input signal to DSA +29dBm at 100 to 200MHz frequency range.

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  • Hi sugu89,

    The +30dBm is the Absolute maximum rating for all temperatures. For devices on the GaAs process, the power handling is thermally limited. Please ensure that the junction temperature does not exceed the max specified in the datasheet (150degC for HMC468A).

    The power handling for the HMC468A degrades 100MHz.
    For your application of +29dBm at 100-200MHz, the HMC468A should be OK to use.

    Regards,
    HK.

Reply
  • Hi sugu89,

    The +30dBm is the Absolute maximum rating for all temperatures. For devices on the GaAs process, the power handling is thermally limited. Please ensure that the junction temperature does not exceed the max specified in the datasheet (150degC for HMC468A).

    The power handling for the HMC468A degrades 100MHz.
    For your application of +29dBm at 100-200MHz, the HMC468A should be OK to use.

    Regards,
    HK.

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