3152B User Manual
Publication No. 980935 Rev. A
Environmental
Conditions
Tests should be performed under laboratory conditions having an
ambient temperature of 25
°
C
±
5
°
C and at relative humidity of less
than 80%. If the instrument has been subjected to conditions outside
these ranges, allow at least one additional hour for the instrument to
stabilize before beginning the adjustment procedure. Specifications
are valid within an ambient temperature of 25
°
C
±
5
°
C and at relative
humidity of less than 80%. Below 20
°
C and above 30
°
C, the
specifications are degraded by 0.1% for every
±
1
°
C change
Warm-up Period
Most equipment is subject to a small amount of drift when it is first
turned on. To ensure accuracy, turn on the power to the Model 3152B
and allow it to warm-up for at least 30 minutes before beginning the
performance test procedure.
Initial Instrument
Setting
To avoid confusion as to which initial setting is to be used for each
test, it is required that the instrument be reset to factory default values
prior to each test. To reset the Model 3152B to factory defaults, use
the factory Reset option in the System>General/Filters Panel. See
Figure 4-16 in Chapter 4.
Recommended
Test Equipment
Recommended test equipment for troubleshooting, calibration and
performance checking is listed in Table 6-1 below. Test instruments
other than those listed may be used only if their specifications equal or
exceed the required characteristics.
Table 6-1, Recommended Test Equipment
Equipment
Model No.
Manufacturer
Oscilloscope (with jitter package)
LC684D
LeCroy
Distortion Analyzer
6900B
Krohn Hite
Digital Multimeter
2000
Keithley
Freq. Counter
2202R
Racal Instruments
Spectrum Analyzer
E4411
HP
Pulse Generator (with manual trigger)
PM8571
Tabor Electronics
VXI Backplane trigger generator
3152B
Racal Instruments
Test Procedures
Use the following procedures to check the Model 3152B against the
specifications. A complete set of specifications is listed in Appendix A.
The following paragraphs show how to set up the instrument for the
test, what the specifications for the tested function are, and what
acceptable limits for the test are. If the instrument fails to perform
within the specified limits, the instrument must be calibrated or tested
to find the source of the problem.
6-2 Performance Checks
EADS North America Test and Services
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