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User Manual 3153
Maintenance and Performance Checks 5-5
Frequency Accuracy
1. Configure model 3153 to output square waveforms with 1Vp-p
amplitude.
2. Perform Frequency Accuracy tests using Table 5-1.
Table 5-1, Frequency Accuracy.
Counter Reading
3153 Setting
Error Limits
CH 1
CH 2
CH 3
Pa
ss
Fail
10.00000Hz
±
.001Hz
100.0000Hz
±
.01Hz
1.000000kHz
±
.1Hz
10.00000kHz
±
1Hz
100.0000kHz
±
10Hz
1.000000MHz
±
100Hz
10.00000MHz
±
1kHz
25.00000MHz
±
2.5kHz
50.00000MHz
±
5kHz
X
X
X
X
3. Configure model 3153 to accept external 10 MHz reference. Make
sure that the external reference accuracy is better than 1ppm.
4. Use the Frequency Counter to perform Frequency Accuracy tests
using Table 5-1a.
Table 5-1a, Frequency Accuracy Using External 10 MHz Reference.
Counter Reading
3153 Setting
Error Limits
CH 1
CH 2
CH 3
Pas
s
Fail
10.00000 MHz
±
10Hz
25.00000 MHz
±
25Hz
50.00000 MHz
±
50Hz
X
X
X
X
Figure 5-1, Frequency Accuracy Setup Diagram
REF IN
10MHz SINE
0dBM
9480
2201
Frequency
Counter
1
2
Part 1
Part 2
Part 3
1
2
3
3153
Connect for
sections 3 & 4
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