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492 (view source)

Revision as of 01:18, 17 August 2022

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added info about different versions, removed too specific information about BP model, added pictures for 492BP
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(added info about different versions, removed too specific information about BP model, added pictures for 492BP)
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The '''Tektronix 492''' is a spectrum analyzer with a frequency range of 10 kHz to 21 GHz in coax, and up to 325 GHz with external waveguide mixers (492PGM N/A).  The '''P''' suffix designation indicates GPIB '''P'''rogrammability.  The minimum resolution bandwidth is 100 Hz, and provides measurement resolution proportional to the frequency accuracy or span.  With non-volatile memory (NVRAM) you can save up to 9 waveform displays, up to 10 complete front panel measurement parameter setups, and 8 K for programming macros of commonly used routines.
The '''Tektronix 492''' is a spectrum analyzer with a frequency range of 10 kHz to 21 GHz in coax, and up to 325 GHz with external waveguide mixers (492PGM N/A).  The '''P''' suffix designation indicates GPIB '''P'''rogrammability.  The minimum resolution bandwidth is 100 Hz, and provides measurement resolution proportional to the frequency accuracy or span.  With non-volatile memory (NVRAM) you can save up to 9 waveform displays, up to 10 complete front panel measurement parameter setups, and 8 K for programming macros of commonly used routines.


The single and delta markers provide direct readout of frequency and amplitude information of any point along any displayed trace.  Or, get the relative (delta) frequency and amplitude information between any two points along any displayed trace or between traces.
During the lifespan of the instrument the specifications and included options were altered several times. A major upgrade was the introduction of the '''492A''' in 1987 which added marker functionality and resolution bandwidths and the '''492BP''' in 1989 which added a counter and increased the displayed dynamic range. The '''492PGM''' is a cost reduced version introduced in 1990. Also see [[49X Series Comparison]].
 
Additional features include continuous resolution frequency tuning, up to 90 dB viewable dynamic range, built-in frequency counters, sensitivities to -134 dBm, built-in intelligence for signal processing/marker functions, push button Occupied-Bandwidth/Noise Normalization functions, macro capability with nonvolatile memory, optional switch-selectable 50/75Ω impedances, GPIB Programming, and optional MATE/CIIL Compatibility for military applications.


{{BeginSpecs}}
{{BeginSpecs}}
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===492BP===
<gallery>
492BP_ebay_1.jpg
492BP_ebay_2.jpg
492BP_ebay_3.jpg
492BP_ebay_4.jpg
492BP_ebay_5.jpg
</gallery>


===492PGM===
===492PGM===
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