Microsemi SyncSystem 4380A - RS-422 PPS Module (4376 A); 10 Mhz Module (4395 B-10); Mhz Module (4395 B-5)

DOC 4380A
4380A O & M Manual
78
098-00723-000– Jul 2017 Revision 4.0 SyncSystem 4380A O&M Manual
- Intervals
Default – 1 PPS, Valid PPS values are 10 M, 1 M, 100 K, 10 K, 1 K, 100,
10,& 1
- Pulse Width
Default - ~100 µs +/-10 µs. Pulse width is variable in integer counts of 100
MHz clock period.
- Jitter
<80 ps
- Skew
<+/-75ps
A.11 RS-422 PPS Module (4376A)
Characteristic
Description
Number of outputs
Four
Output connectors
DE-15(F)
Impedance
100 Ω Differential
Pins
PPS1 (+ 1 & - 9), PPS2 (+ 3 & - 11), PPS3 (+ 5 & - 13), PPS4 (+7 & - 15)
Grounds
Pins 2, 4, 6, 8, 10, 12, 14
- Intervals
Default – 1 PPS, Valid PPS values are 10 M, 1 M, 100 K, 10 K, 1 K, 100,
10,& 1
- Levels
> 2V and < 2V into 100 Ω, 1 <= Vcm <= 3.3 V
- Pulse Width
Default - ~100 µs ±1 µs. Pulse width is variable in integer counts of 100 MHz
clock period.
- Rise/Fall Time
< 10ns
- Jitter
<120 ps
- Skew
<+/500ps
A.12 10 MHz Module (4395B-10)
This module provides four 10 MHz outputs. The module also monitors each output for levels below
approximately 10 dBm, after which an alarm is raised.
Characteristic
Description
Number of outputs
Four
Output connectors
BNC(F)
Impedance
50 Ω
Amplitude
+13dBm +/- 2dBm
Signal
Sine Wave
Harmonics
< -40dBc
Phase Noise
1 Hz -110 dBc/Hz
10 Hz -132 dBc/Hz
100 Hz -145 dBc/Hz
1 KHz -150 dBc/Hz
10 KHz -155 dBc/Hz
100 KHz -155 dBc/Hz
1 MHz -155 dBc/Hz
A.13 5 MHz Module (4395B-5)
This module provides four 5 MHz outputs. The module also monitors each output for levels below
approximately 10 dBm, after which an alarm is raised.
Characteristic
Description
Number of outputs
Four
Output connectors
BNC(F)
Impedance
50 Ω
Amplitude
+13 dBm +/- 2 dBm
Signal
Sine Wave