Fluke 5820A, Service Manual

Page: 76 / 158

5820A
Service Manual
3-38
Table 3-21. High Frequency Flatness Verification
Amplitude
(V)
Calibrator
Mainframe
Freq.
(MHz)
A B
50 kHz
C D E
Calibrator Mainframe
Flatness Spec. (%)
0.005
50 MHz
±
3.50
100 MHz
±
3.50
150 MHz
±
4.00
200 MHz
±
4.00
250 MHz
±
4.00
300 MHz
±
4.00
350 MHz
±
5.50
400 MHz
±
5.50
450 MHz
±
5.50
500 MHz
±
5.50
550 MHz
±
6.00
600 MHz
±
6.00
0.0075
50 MHz
±
2.83
100 MHz
±
2.83
150 MHz
±
3.33
200 MHz
±
3.33
250 MHz
±
3.33
300 MHz
±
3.33
350 MHz
±
4.83
400 MHz
±
4.83
450 MHz
±
4.83
500 MHz
±
4.83
550 MHz
±
5.33
600 MHz
±
5.33
Complete Columns A-E as follows:
A Enter the 437B present frequency Reading (W).
B Enter the 437B 50 kHz Reading (W).
C Apply power sensor correction factor for present frequency (W): CF * (Column A
entry)
D Apply power sensor correction factor for 50 kHz (W): CF * (Column B entry)
E Compute and enter Error relative to 50 kHz plus floor (%): 100 * [(sqrt(Column
B/Column D entry) -1)
±
100*(100
µ
V/nominal voltage)].