| Electronics > Repair |
| INSTEK spectrum analyzer GSP-827 -6 dBm down than the real value |
| << < (3/13) > >> |
| Adal:
Hi Aurora. Ok, let me take out the covers and check for damage. :-BROKE Somebody has a service manual? Best regards. |
| Fraser:
Sadly GW INSTEK service manuals are as rare as hens teeth. I have been in touch with the support team previously and they will not release service information to the public. Aurora |
| KJDS:
You should be able to get an idea of where the issue is from some testing. If the -6dB is flat across the frequency range then the damage is after the first mixer. If there is an auxillary IF output you can also check the level there. |
| Adal:
Unfortunately the GSP-827 don't have a IF out. So I need teardown the thing and looking for damages in the input path. I take some pictures of my equipment and put here. Best regards |
| Adal:
Yes. The -6dBm error are flat across the frequency range |
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