491: Difference between revisions
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The '''Tektronix 491''' is a spectrum analyzer [[introduced in 1966|introduced in August 1966]]. | The '''Tektronix 491''' is a spectrum analyzer [[introduced in 1966|introduced in August 1966]]. | ||
Due to severe performance limitations, it was replaced by the completely redesigned [[492]]. | Due to severe performance limitations, it was replaced by the completely redesigned [[492]] in 1980. | ||
==Manuals== | ==Manuals== | ||
Revision as of 03:05, 29 August 2014
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.