Generate AWGN with VSG25A

I wnat to generate AWGN with Bandwidth of 10MHz andlevel of -30dBm.
it should be AWGN, not continuous CW.
Is a VSG25A signal generator suitable for this problem?

There are a couple of options here. You could load an AWGN file as an arbitrary waveform. But the better way for most applications would be to use 1001 tones of random phase, spaced 10 kHz. This will have a CCDF curve that closely mimics AWGN, and will be flat across the desired 10 MHz band as it will automatically apply an inverse sinc correction.

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