Electronics > Repair
HM8030-3
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lionelkjh:
Hello everyone! I am currently restoring a HAMEG HM8030-3, and I am looking for the calibration procedure. I did not find anything on the internet, and I only have the general documentation and the test of the generator; but not its complete calibration (by potentiometers). Can someone help me ?? In advance, thank you very much! :-//
coromonadalix:
well  a little googlefuu  has given this in the first answers :

http://bee.mif.pg.gda.pl/ciasteczkowypotwor/Hameg/hm8030.pdf

http://frankshospitalworkshop.com/equipment/documents/workshop_equipment/manuals/Hameg_HM8030-3_Function_Generator_User_manual.pdf

https://elektrotanya.com/hameg_hm8030-3_functiongenerator_deutsch_um.pdf/download.html
lionelkjh:
Hello; the version used here is not the same, because it is more recent (HM8030-6, and that sought is HM8030-3); for the other documentation provided, it is a test phase, not the calibration .... |O
oldway:
This is from the 8030-2, I think there is no difference with the 8030-3.

EDIT: A remark on the project of this function generator: the display of the frequency has a very relative precision because this frequency is not really measured .... In fact, it is a fraction of the voltage of the vco that is measured, not the frequency of the signal.

Why this solution?

If we used a frequency counter, there would be a delay which would make it difficult to adjust the frequency by a potentiometer
lionelkjh:
I search the internal procedure of the complete calibration of the HM8030-3, the version to its importance, because the others are not the same. The attached document corresponds to different external settings ......
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