Tektronix 494AP service manual O o o o a o, 12s, SENSmVTY, Instrument

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Tektronix.		MANUALCHANGEINFORMATION
Cornntncd to Ercdl€E
Date:9-1-87	ChangeReference:C11887		product
Product:Seelist	ManualPart
			Group:26
		No:Seelist
INSTRUMENT	Part No.	gN 8010227andup
494N494APOp€rators	070-s557-01
494N4944PService1	070-5560-00

Feplacasanshlvlty table In the speclflcailon secilon wlth the tabtebetow.

SENSmVTY

		Equivalent Input Noise in dBm vs. ResohrtionBandwidth
Frequency Range		10Hz	1O0Hz	1 kHz	10 kHz	10OkH2f	1 MHz	3 MHz
Band1	10kHz-1.8 GHz	-134	-12s	1 1 5	-105	-95	€5	-80
Bands2& 3 1.7GHz-7.1 GHz		-12s	- 11 9	- 109	-99	-89	:19	-74
Band 4	5.4 GHz-12 GHz	- 1 1I	-105	-95	-85	-75	€5	-60
Band4	12GHz-18 GHz	-107	-100	-90	-80	-70	€0	-55
Band5	15GHz-21 GHz	# -106	-99	-89	-79	-69	.59	-54
Band5'	18GHz-27 GHz	- 11 6	- 108	-100	-90	-80	-70	-65
Band7'&8. 25.5GHz-€0 GHz		- 1 11	-103	-95	-85	-7s	€5	- 6 0

Band9.	50GHz-€0 GHz	Typically-95dBmat 50GHz,degradingto -85dBmat 90 GHz.
	(1kHzBandwidlh)
Band10'	75GHz-140 GHz	Typically-90dBmat 75GHz,degradingto -75dBmat 140GHz.
	(1 kHz Bandwidth)
Band11'	11OGHz-ZZ0GHz		'l	-65dBm al220 GHz.
		Typkafly-80dBmat 1 0 GHz,degradingto
,	(1kHz Bandwldth)
Band12'	170GHz-825 GHz	-70		-55	dBmat 325GHz.
		Typlcally	dBmat 170GHz,degradingto

(1kHz Bandwidth)

' SpecifiedusingexternalTEliTRONlXWavequideMixers.

bOption07 replacesthe 100kHzfilterwitha 300kHz fitter.

# Revised8-25-87

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