A-5
TM4400013
REV.
D
Model 9101
GPS Reference Module
with double oven crystal oscillator
With the exception of specifications, this GPS
Reference module is functionally equivalent to
the rubidium model.
Crystal Oscillator Characteristics
Accuracy,
<1 X 10
-11
, one hour averaging
with GPS,
<1 X 10
-12
, one day averaging
(
Frequency
domain
)
Accuracy,
50 – 100 ns
with GPS,
(
time
domain
)
Aging rate,
<5 X 10
-10
/ day –30
o
C to +60
o
C
(no GPS)
Holdover
≤
5 – 10
μ
sec / day after 72
hours of discipline
Model 9104
Fault Sense Unit
The FSU detects system failures, provides
switching signals to output modules, and
contains Alarm, RS-232 I/O, and Network
circuitry.
Alarms
,
Relay, form C contacts
Major / minor
RS-232 I/O
Message
Consult factory for details
Format
Baud rate
9600, fixed
Data bits
8
Parity None
Stop bits
1
Network
10
BaseT
Features
Network Time Server and Telnet
Model 9106
Digital Distribution Module
Four channel digital pulse rate distribution
module. Up to six may be installed in main
frame.
Output Characteristics
Rise/ all times
≤
2 ns
Level
TTL
Drive
50
Ω
Outputs 4
each
Connectors
BNC female, TNC optional
Model 9107
Frequency Distribution Module
Four channel sine wave and IRIG-B
distribution module. Up to six may be installed
in main frame.
Output Characteristics
Freq. Response
DC to 50 MHz,
±
2 dB
Level
Fixed, 1 Vrms (+13 dBm),
±
2
dB
Drive
50
Ω
Outputs 4
each
Connectors
BNC female, TNC optional
