Tektronix 494AP Mlxer 18to 26.5to 33 to 490U 40 to, WM 49OV, WM 490E 490W, 10to 170GHz

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EXAMpLE: R2090 on assembly A2O becomss420R2090.

EXAMpLE: U1044 on subassemblvAl of assembly A36 is found in the ejectrical partstistas A3641U.t044.

Firmware Version and Eror Message Readout

This feature of the spectrum analyzer provides readoutthat identifiesth€ versionof firmwareinstalled. The readoutis momentarilydisplayedwhen the power is turnedon. Ail front-panettightsivitt temporarilyflash on when the power is first turned on. In addition,the programmableinstrumentwill flashthat informationand the GplB addressand macro status when RESETTO LOCALis pressed.

lf the spectrumanalyzerfaits to compteteany rou- tine or function,an error message will flash on th€ screenexplainingthe failure.

Accessories

The ReplaceableMechanicalparts list in the Service Manual,Volume2, containsthe part numbers,descrip- tions, and ordering informationfor all standard and optionalaccessoriesofferedfor the spectrumanalyzer at thistime.

The followinglist includesall standardaccessories currentlyshipped with each instrurnent.Refer to the Optionssectionof this rnanualfor alternateinformation.

. 50 O coaxialcable;N to N connector,72 inch

. 50 O coaxialcable;bnc to bnc connector,1g inch

. Adapter;N maleto bnc female

o44 fast-blowfusesl; 2 each o Powercordt

GenerafInformation- 4g4Ll4g4ApService,Vol. 1

I cord clamp

. Crt light filters; 2 - one each arnberand grey o Crt meshfilter

. R€arConnectorShield

o 494A1494APOperatorsManual

. 494APProgramrnersManual;494ApOnly

Table 1-1 lists the Tektronixwaveguidemixersthat are availableas optionalaccessories.

Tabte 1-l

TEKTRONIXWAVEGUIDE MIXERS

Mlxer
	18to
4	26.5to
	33 to 50
490U	40 to
WM 49OV
wM 490E
490W	1 1 0G H z
490F	GHz
w M 4	10to 170GHz

ro 220GHz

WM 490GOption01

Options

The Options section of this Manualcontainsinfor- mationon all of the options currentlyavailablefor the spectrumanalyzer.

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It the insttument It wired lor 22o'24ov ope.ation (optiona.Al, A2, 43, 44, A5) or it opfion s2 lr Inrralled (North Arnerlc.n conliguration lot zloy *ilh rtandsrd powe. cord), 2A medium_blow turerlr! used.

1 - 3

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