Comtech EF Data C5 User Manual
Page 10
Table of Contents
C5/K1/K3 Integrated Satellite Terminal System
vi
Rev. 0
2.1.5.3
Phase Noise ................................................................................................................................ 2–7
2.1.5.4
Transmit Output Switch.............................................................................................................. 2–7
2.1.5.5
Transmit Power .......................................................................................................................... 2–8
2.1.5.6
Modulated Output Shape ............................................................................................................ 2–8
2.1.5.7
Spurious Emissions..................................................................................................................... 2–8
2.1.6
C-Band Transmit Test Modes ............................................................................................................. 2–9
2.1.7
C-Band Modulator Spectrum Rotation................................................................................................ 2–9
2.1.8
C-Band Output VSWR........................................................................................................................ 2–9
2.1.9
C-Band Transmit Frequency Change Time ......................................................................................... 2–9
2.1.10
C-Band Demodulator-Related Specifications ............................................................................... 2–10
2.1.10.1
Digital Data Rate ...................................................................................................................... 2–10
2.1.10.2
Demodulation and FEC Decoding Types ................................................................................. 2–11
2.1.10.3
Descrambling Types ................................................................................................................. 2–11
2.1.10.4
Deinterleaver (Reed-Solomon Codec)...................................................................................... 2–12
2.1.10.5
Receive Frequency ................................................................................................................... 2–12
2.1.10.6
Receive Input Power (Composite)............................................................................................ 2–12
2.1.10.7
Demodulator IF Input Shape .................................................................................................... 2–12
2.1.10.8
Channel Spacing/Adjacent Carrier Performance ...................................................................... 2–13
2.2
Ku-Band System Specifications .............................................................................................................. 2–15
2.2.1
Ku-Band Transmit Specifications ..................................................................................................... 2–16
2.2.2
Ku-Band Receiver Specifications...................................................................................................... 2–17
2.2.3
Ku-Band Modulator-Related Specifications...................................................................................... 2–18
2.2.3.1
Digital Data Rate ...................................................................................................................... 2–18
2.2.3.2
Modulation and Encoding Types.............................................................................................. 2–19
2.2.3.3
Scrambling Types ..................................................................................................................... 2–19
2.2.3.4
Interleaver (Reed-Solomon Codec) .......................................................................................... 2–20
2.2.4
Ku-Band Transmit (TX).................................................................................................................... 2–20
2.2.4.1
Transmit Frequency.................................................................................................................. 2–20
2.2.4.2
Transmit Frequency Reference ................................................................................................. 2–20
2.2.4.3
Phase Noise .............................................................................................................................. 2–20
2.2.4.4
Transmit Output Switch............................................................................................................ 2–20
2.2.4.5
Transmit IF Power .................................................................................................................... 2–21
2.2.4.6
Modulated Output Shape .......................................................................................................... 2–21
2.2.4.7
Spurious Emissions................................................................................................................... 2–21
2.2.4.8
Transmit Test Modes................................................................................................................ 2–22
2.2.4.9
Modulator Spectrum Rotation .................................................................................................. 2–22
2.2.4.10
Output VSWR .......................................................................................................................... 2–22
2.2.4.11
TX Frequency Change Time .................................................................................................... 2–22
2.2.5
Ku-Band Receive (RX) Specifications.............................................................................................. 2–23
2.2.5.1
Digital Data Rate ...................................................................................................................... 2–23
2.2.5.2
Demodulation and FEC Decoding Types ................................................................................. 2–24
2.2.5.3
Descrambling Types ................................................................................................................. 2–24
2.2.5.4
Deinterleaver (Reed-Solomon Codec)...................................................................................... 2–25
2.2.5.5
Receive Frequency ................................................................................................................... 2–25
2.2.5.6
Receive Input Power (Composite)............................................................................................ 2–25
2.2.5.7
Demodulator IF Input Shape .................................................................................................... 2–25
2.2.5.8
Channel Spacing/Adjacent Carrier Performance ...................................................................... 2–26
2.3
Bit Error Rate Performance ................................................................................................................... 2–27
2.3.1
Performance with Noise and Viterbi Decoder................................................................................... 2–28
2.3.2
Performance with Noise, Viterbi Decoder, and Reed-Solomon (Optional)....................................... 2–30
2.3.3
Performance with Noise, 56 kbit/s, and Sequential Decoder (Optional) ........................................... 2–32