Operators and Installation Manual RA-2500 AIS Receiver.pdf - Jotron
Operators and Installation Manual RA-2500 AIS Receiver.pdf - Jotron
Operators and Installation Manual RA-2500 AIS Receiver.pdf - Jotron
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RECEIVER<br />
Sensitivity<br />
TR-<strong>2500</strong> RECEIVER UNITS<br />
25kHz<br />
-107dBm (n.c.)<br />
-101dBm (e.c.)<br />
TDMA<br />
12.5kHz<br />
-101dBm (n.c.)<br />
-98dBm (e.c.)<br />
Packet error rate<br />
20% at<br />
20% at<br />
sensitivity<br />
sensitivity<br />
Receive BT product 0.5.GMSK 0.3/0.5.GMSK<br />
Co-channel rejection > -10dB > -16dB<br />
Adjacent channel<br />
selectivity<br />
Modulation<br />
Frequency range<br />
Frequency error<br />
Spurious response<br />
rejection<br />
Intermodulation<br />
rejection<br />
Blocking<br />
/desensitisation<br />
Large signal PER<br />
Spurious emission<br />
from RX<br />
70dBm (n.c.)<br />
60dBm (e.c.)<br />
GMSK , 9600 bits/s ± 50ppm.<br />
156 - 162.025MHz<br />
± 3ppm.<br />
50dBm (n.c.)<br />
50dBm (e.c.)<br />
> 70dB two channels away from<br />
frequency<br />
>=74dB at PER 20% for 1 tone – 15dBm at<br />
FO ±5.725MHz <strong>and</strong> 2 tones of -27dBm at<br />
+500kHz <strong>and</strong> FO +1MHz, when usable signal<br />
has a level of -101dBm.<br />
< 1% between -7dBm <strong>and</strong> -77dBm<br />
< -57dBm (150kHz to 1 GHz)<br />
< -47dBm (1GHz to 2 GHz)<br />
82694_Op&Ins MAN_<strong>RA</strong><strong>2500</strong>_D 2-2
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