491: Difference between revisions
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==Manuals== | ==Manuals== | ||
* http://www.ko4bb.com/manuals/index.php?dir=Tektronix/Tektronix_-_491_Spectrum_Analyzer | * [http://www.ko4bb.com/manuals/index.php?dir=Tektronix/Tektronix_-_491_Spectrum_Analyzer Tektronix 491 manual @ KO4BB] | ||
==Links== | ==Links== | ||
* http://www.radiomuseum.org/r/tektronix_spectrum_analyzer_491.html | * [http://www.radiomuseum.org/r/tektronix_spectrum_analyzer_491.html Tektronix 491 @ radiomuseum.org] | ||
==Pictures== | |||
<gallery> | <gallery> | ||
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Tek 491 rear.jpg | Tek 491 rear.jpg | ||
</gallery> | </gallery> | ||
[[Category:Spectrum Analyzers]] | |||
[[Category:Introduced in 1966]] | |||
[[Category:Specifications needed]] | |||
Revision as of 04:10, 14 April 2017
The Tektronix 491 is a spectrum analyzer introduced in August 1966.
Due to severe performance limitations, it was replaced by the completely redesigned 492 in 1980.
