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Calibration—492/492P Service Vol. 1 (SN B030000 & up)
Table 3-1 (cont)
Equipment or Test Fixture
Characteristic
Recommendation and Use
Step Attenuators
Range, 0—110 dB in 10 dB and 1 dB
steps; accuracy, ±0.1 dB; frequency
range, dc to 18 GHz
Step attenuator such as Hewlett-
Packard 849B and 8496B, calibrated
by precision standard attenuators; such
as Weinchel Model AS- 6 attenuator
Coaxial Cables (50Ω;
2 required)
Tektronix Part No. 012-0482-00
ADJUSTMENTS
All the items listed above plus the following are required for the Adjustment Procedure.
Return Loss Bridge
10 MHz to 1 GHz, 50 Ω
Wiltron VSWR Bridge Model 62BF50
Attenuator (3 dB miniature)
Frequency, to 5 GHz; connectors,
5 mm
Weinchel Model 4M
Tektronix Part No. 015-1053-00
Autotransformer
Capable of varying line voltage from
90 to 130 Vac
General Radio Variac Type W10MT3
Digital Multimeter
<10MV to >350 Vdc
TEKTRONIX DM 501A or DM 502A.
Dc Block
Tektronix Part No. 015-0221-00
Adapter (Sealectro
male-to-male)
Tektronix Part No. 103-0098-00;
Sealectro Part No. 51 -072-0000
Adapter (bnc female-to-
Sealectro male)
Tektronix Part No. 103-0180-00
Three Extension Cables
(Sealectro female-to-
Sealectro male)8
Tektronix Part No. 175-2902-00
Adapter (bnc-to-Sealectro)
Tektronix Part No. 175-2412-00
Adapter (bnc female-to-SMA
male)
Tektronix Part No. 015-1018-00
Cable (20"), Tip plugs to bnc
Tektronix Part No. 175-1178-00
Coaxial cable (8 ")
Tektronix Part No. 012-0208-00
Screwdriver, tuning
Tektronix Part No. 003-0675-00
Alignment tool
Square pin adjustment tool for VR calibra
tion
Tektronix Part No. 003-0968-00
Screwdriver, flat,
6 ’ with 1 /8 " tip.
Screwdriver, Phillips type
No. 1
Allen wrenches (3),
3/32", 5/64”, 7/64’
Service Kit (Extender boards)8
Tektronix Part No. 672-0865-00
J
'These fixtures are part of the Service Kit 006-3286-00, listed in the Maintenance Section.
REV NOV 1982
3-3
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