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NFA measurement BW

Question asked by Leyo on Oct 2, 2007
Latest reply on Jun 24, 2016 by 飞鸟

I am trying to measure Noise Figure of LNA. This LNA works in the DCS Receiver band from 1710 Mhz to 1785 Mhz. So, the LNA has BW more than 75 MHz. Typical gain is 16dB and NF is 0.6dB.
I have Agilent 8973A NFA. What sshould be the measurement BW set on the NFA for this case?. I am using the maximum 4MHz. Is this OK?