Initial Start-up and Operating Procedures
G3L-1929-160-001 MCPA
3-4
044-05305 Rev A
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Страница 1: ...G3L 1929 160 001 Installation and Service Manual 044 05305 Rev A August 2007 Multi Carrier Power Amplifier...
Страница 2: ...in this document may cause 1 Spurious emissions that violate regulatory requirements 2 The equipment to be automatically removed from service when maximum thresholds are exceeded 3 The equipment to no...
Страница 3: ...symbol means danger You are in a situation that could cause bodily injury or death Before working on any equipment be aware of the hazards involved with electrical and RF circuits and be familiar with...
Страница 4: ...ii 044 05305 Rev A Revision Record Revision Letter Date of Change Reason for Change A Aug 2007 Initial Release...
Страница 5: ...on Introduction 3 1 Unpacking and Inspection 3 1 Damaged Equipment 3 1 Air Conditioning Requirement 3 1 MCPA Installation Instructions 3 1 Initial Start up and Operating Procedures 3 3 Chapter 4 Maint...
Страница 6: ...2 3 3 1 MCPA Quarter Turn Fasteners and Connectors 3 2 List of Tables 2 1 MCPA Controls and Indicators 2 2 2 2 MCPA Alarm States 2 2 2 3 MCPA Connector Pinouts 2 4 3 1 MCPA Unpacking and Inspection I...
Страница 7: ...0 MHz to 1995 MHz with an instantaneous bandwidth of 65 MHz The instantaneous bandwidth is the maximum frequency band in which any two or more signals can occupy The instantaneous bandwidth of the MCP...
Страница 8: ...Functional Description G3L 1929 160 001 MCPA 1 2 044 05305 Rev A Figure 1 1 MCPA Front and Rear Views Front Rear...
Страница 9: ...e main amplifier is fed to the class AB main amplifier and then sampled using a coupler The signal RF sample is combined with the main input signal and input to the second feed forward loop There the...
Страница 10: ...tor The pilot tone is an internally generated signal with a predetermined frequency phase and amplitude is known If the pilot signal is suppressed at the amplifier output then the distortion created b...
Страница 11: ...he DC DC converter and voltage regulator in the MCPA converts the 27 VDC to 15 VDC 9 VDC 5 VDC and 5 VDC for internal use The MCPA has no built in short circuit protection The MCPA operates at full po...
Страница 12: ...Functional Description G3L 1929 160 001 MCPA 1 6 044 05305 Rev A This page intentionally left blank...
Страница 13: ...ators are illustrated in Figure 2 1 and listed with descriptions in Table 2 1 MCPA Alarms MCPA alarm conditions are reported to the system as logic level signals through the rear connector The front p...
Страница 14: ...pt power Table 2 2 MCPA Alarm States Alarm Definition Alarm type LED Auto Recovery Output Overpower Disables MCPA immediately if output power is 2 dB over rated output RF power Major Red Input power d...
Страница 15: ...jor Red Auto recovery when supply voltage increases to 24 0 VDC Loop Fail Linearization Alarm Disables MCPA if loop convergence fails Major Red Auto recovery when loop converges MCPA tries to auto rec...
Страница 16: ...tion Pin Function A1 RF Input Coaxial Contact 8 Summary_Fault A2 27 VDC Power Contact 9 DC On Off A3 Ground Power Contact 10 NC A4 RF Output Coaxial Contact 11 NC 1 TX_H RS 485 12 NC 2 TX_L RS 485 13...
Страница 17: ...4 for the return procedure Air Conditioning Requirement The MCPA generates 2771 BTUs of heat at 36 amps 27 VDC and 160 watts average RF power output The MCPA operates within the extended low temperatu...
Страница 18: ...quarter turn fastener position and switch location Table 3 2 MCPA Installation Step Action 1 Set MCPA OFF ON RESET switch to the OFF down position 2 Ensure quarter turn fasteners are in unlocked posi...
Страница 19: ...terminated at the Duplexer front panel Do not operate MCPA without a load attached Excessive input power may damage the MCPA Refer to Chapter 5 for input power requirements Table 3 3 Initial Start up...
Страница 20: ...Initial Start up and Operating Procedures G3L 1929 160 001 MCPA 3 4 044 05305 Rev A This page intentionally left blank...
Страница 21: ...ing to service or repair unit Do not break seals on equipment under warranty or warranty will be null and void Do not return equipment for warranty or repair service until proper shipping instructions...
Страница 22: ...table shipping cartons and foam inserts to prevent damage in transit CAUTION Do not slam the MCPA into the system during installation Using excessive force can damage the MCPA connector CAUTION When r...
Страница 23: ...y Cycle Continuous BTUs 2771 at 36 Amps 27 V and 160 W average RF power output RF Gain 63 dB Gain Flatness 0 5 dB Max Gain Variation over Temperature 0 5 dB Max Spurious Emissions ACP 13 dBm Max 1 MHz...
Страница 24: ...m Control DC Input Connector 21 pin D subminiature combo connector DImensions 354 6 mm high 99 mm wide 499 9 mm deep including handles 13 96 H X 3 9 W X 19 7 D Weight 12 97 kg 28 5 lbs Environmental S...
Страница 25: ...40 824 91 Main Asia Pacific Office 23 F Tai Yau Building 181 Johnston Road Wanchai Hong Kong Tel 852 2512 6123 Fax 852 2575 4860 Copyright 2007 Powerwave Technologies Inc All Rights reserved Powerwave...
