8590A Spectrum Analyzer
Hi folks
I have got an old 8590A Spectrum Analyzer from my company, unfurtunately with a defect. The amplitude levels shown on the screen is app. 10 dB below the actual applied input level, so the attenuator or input circuit apparently has a defect. Does any one have a service manual, diagrams etc. of this model ? Thanks in advance Kim Würtz |
8590A Spectrum Analyzer
"Kim Würtz" wrote:
Hi folks I have got an old 8590A Spectrum Analyzer from my company, unfurtunately with a defect. The amplitude levels shown on the screen is app. 10 dB below the actual applied input level, so the attenuator or input circuit apparently has a defect. Does any one have a service manual, diagrams etc. of this model ? Thanks in advance Kim Würtz It is probably a damaged mixer module. We had several fail in our 8590As over several years of heavy use. There is a maximum power level marked by the input connector, and if you exceed it, you can damage, or completely destroy the mixer. -- Service to my country? Been there, Done that, and I've got my DD214 to prove it. Member of DAV #85. Michael A. Terrell Central Florida |
8590A Spectrum Analyzer
Hi Michael
Thanks for your quick response. Do you have any further information on the mixer (schematics and/or type), so I am able to replace it myself. Best regards Kim Würtz "Michael A. Terrell" wrote in message ... "Kim Würtz" wrote: Hi folks I have got an old 8590A Spectrum Analyzer from my company, unfurtunately with a defect. The amplitude levels shown on the screen is app. 10 dB below the actual applied input level, so the attenuator or input circuit apparently has a defect. Does any one have a service manual, diagrams etc. of this model ? Thanks in advance Kim Würtz It is probably a damaged mixer module. We had several fail in our 8590As over several years of heavy use. There is a maximum power level marked by the input connector, and if you exceed it, you can damage, or completely destroy the mixer. -- Service to my country? Been there, Done that, and I've got my DD214 to prove it. Member of DAV #85. Michael A. Terrell Central Florida |
8590A Spectrum Analyzer
"Kim Würtz" wrote:
Hi Michael Thanks for your quick response. Do you have any further information on the mixer (schematics and/or type), so I am able to replace it myself. http://www.home.agilent.com/agilent/facet.jspx?to=80039.k.1&cc=US&lc=eng&sm=g&k=8590A -- Service to my country? Been there, Done that, and I've got my DD214 to prove it. Member of DAV #85. Michael A. Terrell Central Florida |
8590A Spectrum Analyzer
Thank you very much Michael !
"Michael A. Terrell" wrote in message ... "Kim Würtz" wrote: Hi Michael Thanks for your quick response. Do you have any further information on the mixer (schematics and/or type), so I am able to replace it myself. http://www.home.agilent.com/agilent/facet.jspx?to=80039.k.1&cc=US&lc=eng&sm=g&k=8590A -- Service to my country? Been there, Done that, and I've got my DD214 to prove it. Member of DAV #85. Michael A. Terrell Central Florida |
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