ST88-21 C/Ku-Band TVRO
ST88-21 Technical Specifications
14-1
14.
ST88-21 Technical Specifications
The technical specifications for your Series Above Decks Equipment subsystems are listed below: Refer to your ACU manual for
its’ Specifications.
14.1.
8897 Antenna Reflector
Type:
Hydro-Formed aluminum parabola
Diameter (D):
2.1 M (82 in.)
Focal Length:
0.78 M (30.75 in.)
f/D:
0.375
Weight (bare):
25 kg (57 pounds)
RX Gain:
37.8 dB at 3.7 GHz
RX Gain:
46.6 dB at 12.5 GHz
14.2.
Feed Assemblies
14.2.1.
TVRO-21 Dual C-Band / Quad Ku-Band Feed Assembly
Type:
Prime focus
Receive frequency:
3.7-4.2 GHz C Band
10.7-11.7 GHz Ku Low Band
11.7-12.75 GHz Ku High Band
C-Band LNB
RF Frequencies:
3.7-4.2 GHz
IF Frequencies:
950-1450 MHz
LO Frequency
5.15 GHz
Noise Figure
15 deg C, typical
Quad Ku-Band LNB Assembly
Type:
Quad output
LNB Manufacturer:
Brainwave, but may vary
Low Band
High Band
RF Frequencies:
10.7 - 11.7 GHz 11.7 - 12.75 GHz
IF Frequencies:
950 - 1950 MHz 1100 - 2150 MHz
LO Frequencies:
9.75 GHz 10.6 GHz
Noise Figure:
0.7 dB typical
Polarization modes:
2 Horiz., 2 Vert. Outputs
Band Selection:
2 Hi, 2 Lo band outputs
Polarization:
Linear, Simultaneous Dual Polarity C-Band (Horizontal & Vertical) or
Dual Band-Dual Polarity Ku-Band (Horizontal & Vertical High band
AND Horizontal & Vertical Low band)
Polang control:
24 volt DC motor with position feedback for Linear Mode
C/Ku Band Select:
24 volt RF Relay Switching (See Band Select Panel)
Содержание ST88-21 C/Ku-Band TVRO
Страница 4: ......
Страница 10: ...Table of Contents x This Page Intentionally Left Blank ...
Страница 14: ...Introduction ST88 21 C Ku Band TVRO 1 4 This Page Intentionally Left Blank ...
Страница 22: ...Site Survey ST88 21 C Ku Band TVRO 2 8 This Page Intentionally Left Blank ...
Страница 56: ...Installation ST88 21 C Ku Band TVRO 3 34 This Page Intentionally Left Blank ...
Страница 60: ...Setup Ships Gyro Compass ST88 21 C Ku Band TVRO 5 2 This Page Intentionally Left Blank ...
Страница 64: ...Determine Internal Tracking Receiver Settings ST88 21 C Ku Band TVRO 6 4 This Page Intentionally Left Blank ...
Страница 68: ...Setup Home Flag Offset ST88 21 C Ku Band TVRO 7 4 This Page Intentionally Left Blank ...
Страница 76: ...Setup Searching ST88 21 C Ku Band TVRO 9 6 This Page Intentionally Left Blank ...
Страница 112: ...Maintenance and Troubleshooting ST88 21 C Ku Band TVRO 13 28 This Page Intentionally Left Blank ...
Страница 120: ...Model ST88 21 Drawings ST88 21 C Ku Band TVRO 15 2 This Page Intentionally Left Blank ...
Страница 125: ......
Страница 128: ......
Страница 137: ......
Страница 141: ......
Страница 142: ......
Страница 143: ......