6
Performance Checks
Test Procedures
6-5
Frequency
Accuracy, Internal
Reference
Equipment: Counter
Preparation:
1. Configure the counter as follows:
Termination:
50
Ω
, DC coupled
2. Connect the 2074 Channel 1 output to the counter input –
channel A
3. Configure the 2074, channel 1 as follows:
Waveform: Squarewave
Amplitude: 2V
Output: On
Frequency:
As specified in Table 6-2
Test Procedure:
1. Perform frequency Accuracy tests using Table 6-2
Table
6-2, Frequency Accuracy
2074 Setting
Error Limits
Counter Reading
Pass
Fail
10.000000000Hz
±
10µHz
1.0000000000kHz
±
1mHz
100.00000000kHz
±
100mHz
1.0000000000MHz
±
1Hz
80.000000000MHz
±
80Hz
Frequency
Accuracy, External
10MHz Reference
Equipment: 10MHz reference (at least 0.1ppm), Counter
Preparation:
1. Leave counter setting and 2074 connections as in last test
2. Connect the 10MHz reference oscillator to the 2074 rear panel
input
3. Configure the 2074 channel 1 as follows:
10 MHz Ref:
External
Waveform: Squarewave
Amplitude: 2V
Output: On
Frequency:
As specified in Table 6-3
Test Procedure
1. Perform frequency Accuracy tests using Table 6-3
Table
6-3, Frequency Accuracy Using External 10MHz Reference
2074 Setting
Error Limits
Counter Reading
Pass
Fail
10.000000000MHz
±
1Hz
50.000000000MHz
±
5Hz
Содержание 5064
Страница 26: ...1 5 Figure 1 2 ArbConnection The Control Panels Figure 1 3 ArbConnection The Wave Composer...
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Страница 145: ...2074 User Manual 3 74 Figure 3 48 Reading the 2074 Internal Temperature...
Страница 207: ...2074 User Manual 4 62 Figure 4 47 Complete Pulse Train Design Figure 4 48 Section 5 of the Pulse Train Design...
Страница 220: ...4 ArbConnection Logging SCPI Commands 4 75 Figure 4 58 Log File Example...
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Страница 358: ...7 Adjustments and Firmware Update Updating 2074 Firmware 7 27 Figure 7 9 Firmware Update Completed...
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Страница 360: ...Appendices Appendix Title Page A Specifications A 1 1...
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