AR 10044005, Руководство по эксплуатации и обслуживанию

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Model 5000A225A
ii
2.4.2.6.1 Power On/Off ................................................................................................. 24
2.4.2.6.2 RF On/Off ...................................................................................................... 24
2.4.2.6.3 Reset Faults .................................................................................................... 25
2.4.2.6.4 Mode Select ................................................................................................... 25
2.4.2.6.5 Level Adjust ................................................................................................... 25
2.4.2.6.6 Identity ........................................................................................................... 26
2.4.2.6.7 IO Board Firmware Revision ......................................................................... 26
2.4.2.6.8 Machine State ................................................................................................ 27
2.4.2.6.9 State ............................................................................................................... 28
2.4.2.6.10 Forward Power ............................................................................................... 29
2.4.2.6.11 Reverse Power ............................................................................................... 29
2.4.2.6.12 RF Gain .......................................................................................................... 30
2.4.2.6.13 Faults .............................................................................................................. 30
2.4.2.6.14 Operating Hours (RF On) .............................................................................. 31
2.4.2.6.15 Operating Hours (Power On) ......................................................................... 32
2.4.2.6.16 Initiate MPA Coolant Temperature and Transistor Currents ......................... 32
2.4.2.6.17 Query MPA Coolant Temperature and Transistor Currents .......................... 32
2.4.2.6.18 Remote Operating Timeout ........................................................................... 33
2.4.2.6.19 ALC Board Firmware Revision ..................................................................... 34
2.4.2.6.20 SBB (Piggyback) Firmware Revision ............................................................ 34
2.4.2.6.21 SBB (Optical) Firmware Revision ................................................................. 35
2.4.2.6.22 System Serial Number ................................................................................... 35
2.4.2.6.23 AC Power-On Defaults .................................................................................. 36
2.4.2.7 Interlocks ....................................................................................................... 37
2.4.2.7.1 Inhibit Interlock ............................................................................................. 37
2.4.2.7.2 AC Interlock .................................................................................................. 37
2.5 RF Output ............................................................................................................. 37
2.6 Electrical Power ................................................................................................... 37
3. THEORY OF OPERATION ............................................................................. 39
3.1 General ................................................................................................................. 39
3.2 Amplifier .............................................................................................................. 39
3.2.1 Amplifier RF Input ............................................................................................... 39
3.2.2 A1 2W Pre-Amplifier Assembly (Schematic No. 10041189, 10041352,
10041054) ............................................................................................................. 39
3.2.2.1 A1 Pre-Amplifier Assembly (Schematic 10041189) ..................................... 39
3.2.2.2 A2 Switch Assembly (Schematic 10041352) ................................................ 39
3.2.2.3 A3 2W Amplifier Assembly (Schematic 10041054) ..................................... 39
3.2.3 A10 100W 400MHz Module Assembly (Schematic 10039874) .......................... 40
3.2.4 Driver Power Supplies (PS1, PS2) ....................................................................... 40
3.2.5 A5 Control/Fault Board (Schematic #10042218,10030013) ................................ 40
3.2.6 A8 Voltage Regulator Board ................................................................................ 41
3.2.7 Splitter, Attenuator ............................................................................................... 41
3.2.8 Main Power Amplifier Unit (MPA) ..................................................................... 41
3.2.9 Liquid-Cooled Module ......................................................................................... 41
3.2.10 Output Combiner/Directional Coupler, Detector Assembly ................................ 42
3.3 Power Supply ....................................................................................................... 42
3.4 Control Circuits .................................................................................................... 42
3.4.1 Fiber-Optic System Control Link ......................................................................... 42
3.4.2 Power On/Operate Circuits .................................................................................. 43
3.4.3 Automatic Level Control Circuits ........................................................................ 44
3.5 Fault Detection Circuits........................................................................................ 44
3.5.1 Thermal Faults ...................................................................................................... 44