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HMC1056 IF close to DC performances

Question asked by Lucis on Feb 2, 2017
Latest reply on Feb 22, 2017 by Lucis

Hello, it's clear to me that HMC1056 when used with DC at IF ports may exhibits performance degradation especially for what concern noise. Since I'm using it in a IQ quadrature demodulator-like fashion with no external hybrid and  for frequencies larger than 15 kHz, I would like to know what performance degradation I should observe as a function of frequency. As an example what should be the noise figure in the 20 kHz to 500 kHz IF bandwidth? Is there any other issue other than increased noise in the mentioned bandwidth?
Do you have any article, picture or other resource to clarify this point?

Thanks in advance for any of your answers.

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