Driver / Keysight : Add 33510B to model list

[occoder]

and make the dict style more diff friendly

[codecov]

Codecov Report

Merging #1544 into master will not change coverage.
The diff coverage is n/a.

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##           master    #1544   +/-   ##
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  Coverage   71.33%   71.33%           
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  Files         104      104           
  Lines       12041    12041           
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  Hits         8589     8589           
  Misses       3452     3452

[WilliamHPNielsen]

Hi @occoder, and welcome to QCoDeS! Thank you for improving the Keysight driver.

Just to be completely sure, have you tested that the driver works correctly with the 33510B model and that the only difference between that and other models is the max frequency?

[occoder]

Hi @WilliamHPNielsen
So far, I just tested a few commands shown in Qcodes/docs/examples/driver_examples/Qcodes example with Keysight 33500B.ipynb on the real 33510B hardware. They all worked sound.
I may not be able to cover all the corner cases at present.
As a start point, this change seems to be sufficient.
Cheers.

[WilliamHPNielsen]

I guess we can do no better than to say "if the example notebook works, everything works".