User's Manual

Technical specifications
SkyZhone 45 Installation Guide
15
D
R
AFT
This table describes the SkyZhone 45 system transmitter specifications:
Table 4: General RF specifications
Specification Description
Frequency Band 5.725 to 5.825 GHz, 5.25 to 5.35 GHz
Modulation 16 QAM
Channelization plan 17 overlapping channels selected through craft interface
Occupied bandwidth 17 MHz
Channel spacing 5 MHz between center frequencies
TX/RX frequency
separation
475 MHz
Transmit IF frequency 615 MHz
Receive IF frequency 140 MHz
ODU-IDU (IF)
connector
TNC female
ODU RF connector N female
ODU RF impedance 50 ohm
Table 5: Transmitter specifications
Specification Description
Frequency reference Internal TCXO
Frequency stability 1.0 ppm (over -40 Celsius to +60 Celsius) Aging
<3.5 ppm over 10 years.
Transmitted power output Controlled by craft interface or NMS in 1.0 dB
increments to comply with maximum EIRP
requirements of CFR 47 Part 15.407.
Transmitted spectral mask: In compliance with CFR 47 Part 15.407
Radiated harmonic suppression In compliance with the following:
Harmonic Power dBc
2nd 50
3rd 60
4th 60
5th through 8th 70
9th or greater 70