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491: Difference between revisions
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{{ | {{Instrument Sidebar | | ||
|manufacturer=Tektronix | |||
summary=Spectrum Analyzer | |model=491 | ||
image=Tek 491.jpg | | |summary=40 GHz Spectrum Analyzer 40 GHz | ||
caption=Tektronix 491 | | |image=Tek 491.jpg | ||
introduced=1967 | | |caption=Tektronix 491 | ||
discontinued=1980 | | |introduced=1967 | ||
manuals= | |discontinued=1980 | ||
|designers= | |||
|manuals= | |||
* [[Media:070-0598-01.pdf | Tektronix 491 Instruction Manual needed]] | * [[Media:070-0598-01.pdf | Tektronix 491 Instruction Manual needed]] | ||
* [[Media:Tektronix_491_Maintenance_Manual_ARMY.pdf | Tektronix 491 Instruction Manual (US Army TM 9-6625-2467-15) (PDF)]] | * [[Media:Tektronix_491_Maintenance_Manual_ARMY.pdf | Tektronix 491 Instruction Manual (US Army TM 9-6625-2467-15) (PDF)]] | ||