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Symmetricom X72 User Manual

Symmetricom X72
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Recovery with JamSynch
86 X72 Desigers Reference and Users Guide 097-10603-01 Rev. A – November 2004
Recovery with JamSynch
Figure D-4 Flywheeling Recover with 1PPS offset > 1µsec
In this test, the antenna to the GPS receiver is removed. The X72 is purposely put
off frequency long enough to induce a 1PPS error over 1µsec. When the antenna is
reapplied, the X72 1PPS recovers by resetting to 1PPS 0 nanoseconds
(JamSynch). This procedure was repeated to cause both a leading and lagging
1PPS.
Note: This test was performed on a unit started “cold“ which is what
causes the general curve in the frequency data (excluding the
intentional offsets).

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Symmetricom X72 Specifications

General IconGeneral
BrandSymmetricom
ModelX72
CategoryTest Equipment
LanguageEnglish

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