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DG4000 - a firmware investigation

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nive:
does someone sees this strange little peak on about 79.719 khz in a Sinus sweep from 1 hz til 100 hz kHz (0 dBM output) signal?

nive:
i found out that it was a spurious signal inside my Siglent SA.  :palm:

nive:
I confirm that the calibration on firmware 00.01.14 not works when you has updated your frequency with a license key in firmware 00.01.08.

Work around for me was going back to firmware 00.01.08 (with licence key installed), then applying a calibration for LFLAT en HFLAT. After saving this calibration and updating again to firmware 00.01.14 the DG4202 is flat within a 0,5 dBm.

Yeson:
I hack the DG4062 to DG4202.The Amplitude is lower more than -4dbm from 60Mhz to 200Mhz. I havn't a power meter to do the calibration.  I record the factory default value. Can I edit some calpiont value of High Freq Flat to make the Amp more flatter.

Yeson:
How do you calibration? Need Powermeter?

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