HP 37718A Installation And Verification Manual page 97
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- Installation and verification manual (164 pages)
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Performance Tests
PDH/DSn Frequency Measurement and Looped Clock
frequency displayed on the
and 2048.214 kHz.
11 Verify that the Offset displayed is between 95.5 ppm and 104.5 ppm.
The frequency counter should read 1.00.
12 Set the synthesizer frequency to 1023.898 kHz and verify that the
frequency displayed on the
and 2047.806 kHz.
13 Verify that the Offset displayed is between -95.5 ppm and -104.5 ppm.
The frequency counter should read 1.00.
14 Set the synthesizer level to +10 dBm, synthesizer frequency and the
HP 37718A/19A to the settings given in Table 3-1 and verify the
displayed Offset at each point.
Table 3-1
Receive
Frequency
8 Mb/s (E2)
8 Mb/s (E2)
8 Mb/s (E2)
34 Mb/s (E3)
34 Mb/s (E3)
34 Mb/s (E3)
140 Mb/s (E4)
140 Mb/s (E4)
140 Mb/s E4)
1.544 Mb/s (DS-1)
1.544 Mb/s (DS-1)
1.544 Mb/s (DS-1)
44.736 Mb/s (DS-3) 22,368,000 Hz
44.736 Mb/s (DS-3) 22,365,763 Hz
44.736 Mb/s (DS-3) 22,370,237 Hz
display is between 2048.194 kHz
RESULTS
display is between 2047.786 kHz
RESULTS
PDH/DSn Offsets
Synthesizer
Displayed
Frequency
Offset
4224,000 Hz
-4.5 to +4.5 ppm
4223,578 Hz
-95.5 to -104.5 ppm
4224,422 Hz
+95.5 to +104.5 ppm
17,184,000 Hz
-4.5 to +4.5 ppm
17,182,282 Hz
-95.5 to -104.5 ppm
17,185,718 Hz
+95.5 to +104.5 ppm
69,632,000 Hz
-4.5 to +4.5 ppm
69,625,036 Hz
-95.5 to -104.5 ppm
69,638,963 Hz
+95.5 to +104.5 ppm
772,000 Hz
-4.5 to +4.5 ppm
771,923 Hz
-95.5 to -104.5 ppm
772,077 Hz
+95.5 to +104.5 ppm
-4.5 to +4.5 ppm
-95.5 to -104.5 ppm
+95.5 to +104.5 ppm
3-57
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