Symmetricom X72 User Manual

Symmetricom Serial Interface Protocol (SSIP)
70 X72 Desiger’s Reference and User’s Guide 097-10603-01 Rev. A – November 2004
Depending on base plate temperature, within 4 to 8 minutes the unit should be
within 1xE
–9
of center frequency. Thirty minutes after applying power to the X72 the
rf output frequency will be very close to full accuracy (refer to X72 specifications).
Figure C-2 is a top view of the X72 case. Figure C-3 is a diagram of the base plate
showing mounting holes. Table C-1 provides signal information for the J1 connector.
Figure C-2 Top View of X72 Case
Note: The output frequency of the X72 is more accurate than most
counters. Appropriate measurement equipment can be obtained from
Symmetricom. Inquire with Symmetricom Marketing, or your local
sales representative, about Symmetricom’s line of test and
measurement standards, which includes the PRFS portable rubidium
frequency standard and the FMS-2000 frequency measurement
system.

Symmetricom X72 Specifications

General

Brand	Symmetricom
Model	X72
Category	Test Equipment
Language	English