491: Difference between revisions
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==Manuals== | ==Manuals== | ||
* [http://www.ko4bb.com/manuals/index.php?dir=Tektronix/Tektronix_-_491_Spectrum_Analyzer Tektronix 491 manual @ KO4BB] | * [http://www.ko4bb.com/manuals/index.php?dir=Tektronix/Tektronix_-_491_Spectrum_Analyzer Tektronix 491 manual @ KO4BB] | ||
* [[Media:050-0692-03.pdf|Tektronix 491 Band C Oscillator Replacement Modification (PDF, OCR)]] | |||
==Links== | ==Links== | ||
Revision as of 21:42, 14 January 2019
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.
