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Noisefloor degradation of HMC702 Sweep Mode

Question asked by Ai_Yoona on Sep 5, 2016
Latest reply on Sep 16, 2016 by DonY

Hello, when I use HMC702 to build a PLL, I meet a problem which I don't understand and handle. Following describe the problem.

When I use the frequency sweep mode of HMC702, the noise floor will degrade about10dB compared with single point frequency output; what's more , when I switch back to single point frequency from sweep mode, the noise floor will not be recovered unless I reset the HMC702 chip.

I really get confused with the problem and don't know why, please help me .

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