| Description in PDF | |
|
Antenna Specification
|
| Type |
Solid Parabolic Aluminium |
| Diameter |
1.5 m |
| Gain |
26.7 dBi at 1700 MHz |
| Beamwidth |
8.2 degrees typical |
| Aquisition Elevation (10 -6 BER) |
1.0 degree |
| Azimuth Range |
720 degrees |
| Elevation Range |
180 degrees |
| Azimuth and Elevation Peak Torque |
170 Nm |
| Backlash (both axes) |
0.15 degrees |
| Overall positioning Accuracy |
0.3 degrees |
| Azimuth and Elevation Speed |
15 deg./sec |
| Weight |
82 kg. |
| Winds (Survival) |
200 km/h. |
| Winds (Operational) |
100 km/h. |
| Integrated Feed/LNA/Downconverter |
| RF Input Frecuency |
1690-1710 MHz |
| RF Input Bandwidth |
35 MHz |
| Image Rejection |
60 dB typical |
| Downconverter Gain |
45 dB typical |
| Downconverter Noise Figure |
0.8 dB (60 K) typical |
| IF Output Frecuency |
125 - 145 MHz |
| Power Requirements |
+12 to +16 VDC @ 500 mA max |
| Polarization |
RHCP (Dual RHCP/LHCP optional) |
| Frecuency Stability |
+/- 2 KHz typical |
| IF Output Connector |
Type "N" Female |
| Environmental |
-30 to +60 degrees C |
| IF Cable Length |
Up to 100 m. |
| HRPT Receiver |
| IF Input Frecuency |
120-170 MHz |
| IF Input Connector |
BNC Female |
| Bit Rate |
DC to 2.5 Mbps |
| Loop Bandwidth |
0.003% to 3.0% of center frecuency |
| Capture Range |
3 x Loop Bandwidth |
| Image Rejection |
60 dB Typical |
| IF Rejection |
60 dB Typical |
| Adjacent Carrier Rejection |
1 dB maximum BER Degradation |
| Parasitic Interference Rejection |
60 dB Typical |
| Input Level |
-10 to -30 dBm |
| Input Impedance |
50 ohms |
| Implementation Loss |
<= 1 dB |
| Demodulator Type |
PSK and BPSK-PLL Demodulator |
| Output |
Clock and Data RS-422 (NRZ and Manchester) |
| Combined Bit/Frame Synchonizer |
| Input Serial, TTL, RS-422 |
NRZ or Manchester |
| Bit rates |
5 bps to 2.5 Mbps |
| Clock recovery |
DPLL with real time correlator |
| Insertion of Decryption / Recorder |
Via 5 channel SMART decryption interface |
| Data path Selection |
Automatic via SMARTrack through Bus |
| Automatic Tracking Range |
+ 12% of specified bit rate |
| Loop Bandwidth |
1.0 % Standard |
| Bit Error Rate |
+ 1.5 dB of Theoretical |
| Threshold |
SNR > 6 dB |
| Jitter |
> 1 dB for jitter amplitudes < 1.0% of bit rate |
| Output |
8 to 64-bit words to Workstation Bus |
| Bus Interface |
64-bit PCI Bus |
