Symmetricom 58503B GPS Receiver User Manual


 
Appendix D Performance Tests
Operational Verification
D-6 Operating and Programming Guide
10 MHz Verification (58503B Only)
1 Set the HP 54600B oscilloscope or equivalent sweep rate to 100 ns/div,
input amplitude to 0.2 Volts/div, and input coupling to ac.
2 Connect the oscilloscope to the rear-panel 10 MHz OUT output of the
58503B as shown in Figure 2.
Figure D-1. 58503B 10 MHz Operational Verification Setup
3 Verify that there is a 10 MHz sine wave present with approximately
1 Volt peak-to-peak into the 50 ohm load.
4 Mark Pass or Fail in Line 1 on the Operational Verification portion of
the 58503B Performance Test Record, located at the end of this
chapter.
1 PPS Verification
1 Set the oscilloscope sweep rate to 5 µs/div, input amplitude to 5 Volts,
and input coupling to dc.
2 Connect the oscilloscope to the rear-panel 1 PPS output of the Receiver
as shown in Figure D-2.
!
!
ANT
!
HP 54600B
Oscilloscope or equivalent
58503B
GPS Receiver
10 MHz
50
Feedthrough
(HP 10100C)
BNC Cable
(Rear Panel)