Specifications (Basic Unit); Signal Reference Inputs; Environmental; Physical - Brandywine M212 User Manual

Master clock system
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1.2 Specifications (Basic Unit)

1.2.1 Signal Reference Inputs

1.2.1.1 C/A code GPS Receiver (standard)
Receiver Type
GNSS multi constellation
(GPS, GLONASS, Galileo
Sensitivity
Tracking: -159 dBm
Acquisition: -147 dBm
Accuracy
15ns (1σ) (@ -130 dBm)
Connector Type
BNC J8
1.2.1.2 SAASM GPS Receiver (optional)
Receiver Type
GB-GRAM Type II
Keyfill cable
5 pin Audio
Keyfill port
DS102
COM Port
DB9–F connector
1.2.1.3 External 1PPS Input
Signal Format
Per ICD-GPS-060B
Rate
1 pulse per second
Impedance
50 ohm
Connector Type
BNC J6B
1.2.1.4 External GPS Have Quick T/C Input
Signal Format
Per ICD-GPS-060A,
STANAG 4246 HQ2A
Rate
1 frame per second
Impedance
10k Ω
Connector Type
DB9M J5A
1.2.1.5 External IRIG B Input
Signal Format
IRIG B Per IRIG 200-04
Control Functions
Per IEEE1344
Modulation ratio
2.5:1 to 3.3:1
Amplitude
1 Vp-p to 5Vp-p
Impedance
>600 ohm
Connector Type
DB9M J5A

1.2.2 Environmental

AC Supply
Voltage
90-265 VAC 50/60 Hz.
100W Maximum
DC Supply
Voltage
18-36VDC or 36-72 VDC
Connector
Barrier Terminal Block

1.2.3 Physical

Length (depth)
20.00"
Width
17.00" Chassis Width
19.00" Front Panel Width
Height
1.72" 1U chassis
Weight
10 lbs

1.2.4 Temperature

Air Temperature
-15 to 55degC
Altitude Conditions
-1500 ft to +11,000 ft

1.2.5 Shock and Vibration

Operating Shock
MIL-STD 810F 20g/11ms
Bench Handling Shock
MIL-STD 810F
Vibration
MIL-STD-167-1
Structure-borne Noise
MIL-STD-740-2
1 Requires firmware upgrade

1.2.6 EMC

1
, Beidou)

1.2.7 Outputs

Pulse-per-second (1PPS) Output 1
Signal Format
Rate
Rising Edge
Rise Time
Fall time
Pulse Width
Amplitude
Output condition
Connector Type
Number of Outputs
Have Quick Time of Day Output
Signal Format
Rate
Rising Edge
Rise Time
Fall time
1PPS coherence
1PPS
Amplitude
Accuracy to 1PPS
Output condition
Connector Type
BCD Time Code Output
Signal Format
Rate
1PPS coherence
Mark (logical 1)
Space
Output condition
IRIG B Time code Output
Signal Format
Control Functions
Rate
Modulation ratio
Amplitude
Output condition
Alarm Output
No of outputs
Signal Format
Normal Operation
Connector Type
Reference Frequency Outputs
9
MANUAL P/N 900000178 REV B
FCC Part 15, Class A
IEC CISPR 22
CE
Per ICD-GPS-060B
1 pulse per second
On Time
<50ns
<100ns
20 µs ±5% default.
10V ±10%
when TFOM<7 only
BNC
2
Per ICD-GPS-060A,
STANAG 4430
1 pulse per second
On Time
<100ns
<100ns
< 100ns of rising edge of
5V ±5%
<100ns
when TFOM<7 only
3 Pin
Per ICD-GPS-060A
50 bits/sec
< 100ns of rising edge of
1PPS
+2.5V ±1V
(logical 0) -2.5V ±1V
when TFOM<7 only
B122, B124,
B124 CF definition
per IEEE1344
1kHz modulated
sinewave
10:3 ±10%
3V
±20% into 50Ω load
p-p
when TFOM<7 only
1 ( wire-OR'd from 2
MCMs)
Dry contact closure
Normally closed
Relay Active
15 Pin D-Sub Male

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