Microsemi SyncSystem 4380A - Mhz Module (4395 B-1); Amplitude Modulated (AM) IRIG Module (4387 A, 4387 A-6 V, 4387 A-1 V); 1.544 T1 Module (4394 A)

DOC 4380A
4380A O & M Manual
79
098-00723-000– Jul 2017 Revision 4.0 SyncSystem 4380A O&M Manual
Harmonic
< -40 dBc
Phase Noise
1 Hz -116 dBc/Hz
10 Hz -138 dBc/Hz
100 Hz -150 dBc/Hz
1 KHz -155 dBc/Hz
10 KHz -157 dBc/Hz
100 KHz -157 dBc/Hz
1MHz -157 dBc/Hz
A.13 1 MHz Module (4395B-1)
This module provides four 1 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 -130 dBc/Hz
10 Hz -145 dBc/Hz
100 Hz -154 dBc/Hz
1 KHz -158 dBc/Hz
10 KHz -160 dBc/Hz
100 KHz -160 dBc/Hz
1 MHz -160 dBc/Hz
A.14 Amplitude Modulated (AM) IRIG Module (4387A, 4387A-6V,
4387A-1V)
Characteristic
Description
Number of outputs
Four
Output connectors
BNC(F)
Impedance
50 Ω
Amplitude into 50 Ω
3.5 Vpp (6 Vpp for 4387A-6V) (2.8Vpp for 4387A-1V)
Modulation Ratio
3:1
IRIG types
Default - B120
Supported Types
A130, A133, A137, B120, B123, B127, E 111, E112, E121, E122, E127,
G141, G142, G147, H111, H112, H121, H122, H127 or NASA36
A.15 1.544 T1 Module (4394A)
This module provides four 1.544MHz 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
RF-45, Pin 4 TX Ring, Pin 5 TX tip
Impedance
100 Ω
Signal
ANSI T1.102: Digital Hierarchy Electrical Interface
Time Code
None, frequency output only