Tektronix 494AP service manual A o o o o o o o

o o a o o o o o o o

O

o o

I

o o

O

o

								Optons _	494Al4g4Ap
									Servtce,Vol. 1
				Tabtc B-2(Continued)
			OPTION07 ALTERNATE
					SPECIFICATIONS
Characterlstc			Performanc€Requlrement					Supplemental Information
Sensitivity
	Eguivatent
		tnputNoi"t						ent	maximum input
75O INPUT
	10Hz 100Hz		1 kHz	10 kHz	300kHz	I MHz	3 MHz	for	each resolution
5-1000 MHz	-85	-76	-66	-s6
					-41	-36	I -31	easuredat 25" C with:
5OOINPUT
		EqulvalentInput NolsoIn dBm vs. Band						. 0 dB anenuation(MinAtten0 dB)
300 kHz Resc	land 1 Band 2		Band 3	Band 4a Band 4b				o NarrowMdeoFilteron
tion Bandwidth						Band5		. V€rticalDisptay2dBlDiv
	-90 -84		-u	-70	-65	-65		o DigitalStorageon
								o Max Hold off

o Peak/Averagein Average

. 1 sec Time/Div o Zero Span

. Inputterminatedin characteristic impedance

tS.4GHz GHz. bl2 GHzto 1g GHz. to l2

a o o o o o

I

o o o

I

o a o o o

O

o a o o o o o

Options 21 and 22 (Waveguide Mixers)

Option21 includesa set of hrvohigh-performance waveguidemixers(18to 40 GHz). Optio-ni2 includesa set of-threehigh-performancewaveguidemixers (1gto 60 GHz). Both options also includJan interfacecable and a diplexerassembly.SEeTableg-Ofor characteris- tics. For ordering purposes, refer to the back of the ReplaceableMechanical parts list in the Service Manual,Volume2, for the Tektronixpart Number.

Tabte&3

OPTIONS21 AND22 CHARACTERISTICS

SENSITIVITY EquivalentInput Noiseat 1 kHzResBW

The characteristicsin Table8€ for Options

21and22 assumethatthe waveguidemixer is connect€dto a continuouswave signal source and that PEAKIAVERAGE is adjusted for maximum signal amplitude. The signal must be stable (not frequency modulated more than the resolution bandwidth);otherwise,frequencyresponse performancecannotbe met.

	Table 8-3 (Continued)
OPTIONS21 AND22 CHARACTERISTICS
CharacterisUc	Descrlpton
PHYSICAL	With standard accessories,except
Weight	manuals.
Option21	Adds 10 oz. (0.28kg)
	Totafof 48lbs, I oz.{22kg) for stan-
Option22	ion21.
	Adds 13 oz. (0.37 kg)

Total of 48 tbs, 11 oz. (22.1 kg) for

STANDARD DiplexerAssembly

ACCESSORTES Adapter;tnc to sma Cable;semi-rigid

Cable.smato sma

o

8-3

I