Comtech EF Data DT-4500 Series, Инструкция по установке и эксплуатации

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DT-4500 Series C- and Ku-Band Down Converters MN/DT4500.IOM / CD-MNDT4500
Table of Contents Revision 2
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2.1.8.3 Ethernet Connector........................................................................ 2–4
2.1.8.4 Serial Connectors ........................................................................... 2–4
2.1.8.5 Removable “Personality” Modules ................................................ 2–4
2.1.8.5.1 IOM (Input/Output Module) Assemblies ................................. 2–4
2.1.8.5.2 PSM (Polarity Switch Module) Assemblies .............................. 2–5
2.1.8.5.3 TSM (Transmit Switch Module) Assemblies ............................. 2–5
2.1.8.5.4 EQM (Equalizer Module) Assemblies ....................................... 2–5
2.1.8.5.5 RSM (Receive Switch Module) Assemblies .............................. 2–6
2.2 Operational Specifications ................................................................. 2–6
2.2.1 Available Models / Operating Frequency Ranges ................................ 2–6
2.2.1.1 C-Band Units .................................................................................. 2–6
2.2.1.2 Ku-Band Units ................................................................................ 2–6
2.2.2 Conversion ........................................................................................... 2–7
2.2.3 Frequency Selection Step Size ............................................................. 2–7
2.2.4 Preset Channels.................................................................................... 2–7
2.2.5 Stability Over Time ............................................................................... 2–7
2.2.6 Stability Over Temperature .................................................................. 2–7
2.2.7 RF Input ................................................................................................ 2–7
2.2.7.1 Input Level ...................................................................................... 2–7
2.2.7.2 Return Loss ..................................................................................... 2–8
2.2.7.3 Impedance ..................................................................................... 2–8
2.2.7.4 Noise Figure ................................................................................... 2–8
2.2.8 IF Output .............................................................................................. 2–8
2.2.8.1 Level ............................................................................................... 2–8
2.2.8.2 Range ............................................................................................. 2–8
2.2.8.3 Non-carrier Spurious ...................................................................... 2–8
2.2.8.4 Carrier Spurious ............................................................................. 2–8
2.2.8.5 Intermodulation ............................................................................. 2–9
2.2.8.6 Impedance ..................................................................................... 2–9
2.2.8.7 Return Loss ..................................................................................... 2–9
2.2.9 Transfer ................................................................................................ 2–9
2.2.9.1 Gain ................................................................................................ 2–9
2.2.9.2 Attenuation Adjustment ................................................................ 2–9
2.2.9.3 Gain Stability .................................................................................. 2–9
2.2.9.4 Ripple ............................................................................................. 2–9
2.2.9.5 Slope ............................................................................................. 2–10
2.2.9.6 Image Rejection ........................................................................... 2–10
2.2.9.7 AM to PM ..................................................................................... 2–10