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HP 8340B Manual page 26

Synthesized sweeper (including options 001, 004, 005,006, and 007)
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4-4. SWEPT FREQUENCY ACCURACY (Cont'd)
7. Refer to Table 4-8, press the HP 8340B/41B [STARTFREQ] key and enter the start frequency shown in
Table 4-8. Press the [STOPFREQ] key and enter the appropriate stop frequency. Press the [SWEEPTIME]
key and enter the appropriate sweep time. Select the appropriate spectrum analyzer resolution bandwidth.
Set the spectrum analyzer center frequency to the appropriate frequency for the percentage of band being
tested. Press
the
HP 8340B/41B
GHz only apply to the HP 8340B.
20.0
Ideally, the oscilloscope response will be at the center graticule line, if not, adjust the spectrum analyzer
8.
center frequency to bring the oscilloscope response to the center graticule line. The difference between the
original center frequency setting and present center frequency is the HP 8340B/41B swept frequency error.
This error should be within the test limit shown in Table 4-8.
9. Repeat steps 3 through 8 to test at 50% and 80% of band.
If the swept frequency accuracy error exceeds the test limit, refer to the Sweep
Gain and Delay Adjustments, in Section V, Adjustments in the Service Manual.
DUT
Start
Stop
Freq (0Hz)
Freq (0Hz)
2.300099
2.3
2.3
2.300101
2.300499
2.3
2.3
2.300501
2.3
2.30499
2.3
2.30501
2.3
2.31
2.3
2.32
2.3
2.33
2.3
2.34
2.3
2.349
2.3
2.3501
2.3
2.36
2.3
2.37
2.3
2.38
2.3
2.39
2.3
2.3999
2.3
2.4001
2.3
2.799
2.3
2.801
2.3
7.29
2.3
7.31
2.3
8.3
2.3
16.452
2.3
20.0
2.3
24.551
2.3
26.51
1. Applies to 8340B only.
4-24
Performance Tests
[CONT]key to return to the swept mode. Stop Frequencies greater than
Table 4-8.
Swept Frequency Accuracy Test Frequencies
Sweep
center Frequency (0HZ)
Time (ins)
20% of Band 50% of Band 80% of Band
3000
2.3000198
3000
2.3000202
1000
2.3000998
1000
2.3001002
300
2.300998
300
2.301 002
300
2.302
100
2.304
100
2.306
100
2.308
100
2.3098
100
2.31002
100
2.312
100
2.314
100
2.316
100
2.318
100
2.31998
100
2.32002
100
2.3998
100
2.4002
100
3.298
100
3.302
100
3.500
100
5.1304
100
5.84
100
6.75
100
7.14
NOTE
Spectrum Analyzer
2.3000495
2.300792
2.3000505
2.3000808
2.3002495
2.3003992
2.3002505
2.3004008
2.302495
2.303992
2.302505
2.304008
2.305
2.308
2.310
2.316
2.315
2.324
2.320
2.332
2.3245
2.3392
2.32505
2.34008
2.33
2.348
2.335
2.356
2.34
2.364
2.345
2.372
2.34995
2.37992
2.35005
2.38008
2.5495
2.6992
2.5505
2.7008
4.795
6.292
4.805
6.308
5.300
7.100
9.376
13.6216
11.15
16.46
13.425
20.1
14.4
21.66
Test
Res
Limit (kHz)
BW (kHz)
0.3
±0.99
0.3
~l.01
1.0
p4.99
1.0
~5.01
3.0
± 49.9
3.0
±100.02
3.0
±200
10
±400
10
±600
30
±800
30
±998
30
±1020
30
±1200
30
±1400
30
±1600
30
±1800
30
±1980
100
± 2002
1000
±4990
1000
± 5010
3000
± 49900
3000
±50000
3000
±50000
3000
±50000
3000
±50000
3000
± 50000
3000
±50000
HP 8340B/41B

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