Pendulum GPS-12, Руководство пользователя

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Standard Reference Outputs
Connector
type:
Frequency #1 :
Output level:
Freq. stability:
Jitter:
Frequency #2:
Output level:
Pulse width:
Freq. stability:
3 x BNC on the front panel
2 x 2.048 MHz alt.
2 x 1.544 MHz
(user selectable)
Square wave ±1.2 V ± 10 %
in 75
W
(G.703:10)
See Note 1 on page 7-7
See table on p. 7-3
1 x 1 pps / 10 Mpps
(user selectable)
Appr. 0 V … 5 V unloaded
Appr. 0 V … 2.0 V in 50
W
Appr. 10 µs
(1 pps & GPS-12R/HS or
GPS-12RG)
Appr. 133 µs
(1 pps & GPS-12R)
Appr. 100 µs
(1 pps & GPS-12)
Appr. 50 ns (10 Mpps)
See Note 1 on page 7-7
Alarm Outputs
Connector
type:
Signal coding:
Max. switching
voltage:
Max. switching
current:
9-p male D-Sub, 1 loop for
urgent alarm, 1 loop for
non-urgent alarm
relay open
®
alarm mode
relay closed
®
normal mode
60 V
DC
200 mA
Options
Option 70B Outputs*
Connector
type:
Frequencies:
Output level:
Freq. stability:
BNC
3 x 10 MHz + 1 x 5 MHz
Sine wave >1 V
RMS
in 50
W
See Note 1 on page 7-7
Option 71B Outputs
Connector
type:
Frequencies:
Output level:
Freq. stability:
BNC
10, 5, 1 and 0.1 MHz
Sine wave >1 V
RMS
in 50
W
See Note 1 on page 7-7
*Note: The GPS-12R/HS and the
GPS-12RG are as standard
equipped with one Option 70B.
Option 72B Outputs
Connector
type:
Frequencies:
2.048 MHz
Output level:
Freq. stability:
Jitter:
2.048 Mbps:
BNC
2 x 2.048 MHz +
2 x 2.048 Mbps
Square wave ±1.2 V
±
10 %
in 75
W
(G.703:10)
See Note 1 on page 7-7
<0.01 UI
(G.703)
7-4 Options
Specifications