Tektronix 494AP service manual O a o o, O o o o o o o o a o o, O o o o o o o o o o o

Maintenance - 494A/494Ap Servlce Vol. 1

Table 6-7

EQUIPMENTREOUIREDFOR 2nd LO CALTBRATTON

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Test Equipment	Characteristics
SpectrumAnalyzer	Frequencyrangeto 2.2 GHz
UHFGombGenerator	500MHzPulseInput
Time Mark Generator	0.1 ,rsmarkers;accuracy0.001o/o

RecommendedType

TEKTRONIX49X-Series or 7L'14 Option39

Tektronix 067-0885-00 Calibration

Fixture with TM 500 Series Power

Module

TEKTRONIXTG 501 with TM 500 SeriesPowerModule

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Signal Generator	Calibrated100 MHz.with +20 kHz accu-	Hewlett-Packard Model 8640 A/B
	racy
Voltmeter	Measuresto within 0.01 V, impedance	TEKTRONIXDM 502Awith TM 500
	> 1 M O	SeriesPowerModule
VariablePowerSupply	0 to 12.5V, accurate	TEKTRONIXPS 501 with TM 500
	to 0.1V
		SeriesPowerModule
Terminations(2)	50O,3 mm connectors	T€ktronixPartNo. 011-0049-01

Tt 5@ X.an Fr.m.

Tcrt Spcclnrm An.lyrct

Timc trrt Comb Gcnc

GcnetrlorSourcc

Coorb Goneclor lodrlc

5560-{X

Figure 6-18. 2182 MHz 2nd LO frequency accuracy test setup.

6-34

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