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Related Manuals for Powerwave Technologies G3S-800-180-29
Summary of Contents for Powerwave Technologies G3S-800-180-29
- Page 1 869-894 MHz G3S-800-180-29 Installation & Service Manual Multi-Carrier Power Amplifier 869 – 894 MHz 180 Watts Average Power (210 W Max.) -60 dBc Intermodulation Distortion Copyright Powerwave Technologies, Inc., April 2002. All rights reserved 044-05112 Rev. A April 2002...
- Page 2 © 2002 Powerwave Technologies Incorporated. All rights reserved. Powerwave Technologies, and the Powerwave logo are registered trademarks Powerwave Technologies, Inc. reserves the right to make changes to the documentation and equipment, including but not limited to component substitution and circuitry changes. Changes that impact this manual may subsequently be incorporated in a later revision of this manual.
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Page 3: Table Of Contents
Main Amplifier ..............................4-2 4-4.2 Error Amplifier..............................4-2 4-4.3 Amplifier Monitoring ............................4-2 4-4.4 Amplifier Module Cooling ..........................4-3 Power Distribution ............................. 4-3 Intermodulation..............................4-3 Alarms................................... 4-3 Copyright Powerwave Technologies, Inc., April 2002. All rights reserved 044-05112 Rev. A April 2002... - Page 4 G3S-800-180-029 Amplifier Module RF Control Indicators ................ 3-1 G3S-800-180-029 Power Amplifier Module Functional Block Diagram ..........4-2 Amplifier System Test Setup Diagram......................5-3 Amplifier Spring Clip Location ........................5-5 Copyright Powerwave Technologies, Inc., April 2002. All rights reserved 044-05112 Rev. A April 2002...
- Page 5 Amplifier RF Connector Definition........................2-4 Amplifier Module Alarm Indicators Definition .................... 3-3 Periodic Maintenance............................5-1 Test Equipment Required ..........................5-2 MCPA Test Data Sheet ............................5-5 Copyright Powerwave Technologies, Inc., April 2002. All rights reserved 044-05112 Rev. A April 2002...
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Page 6: General Description No
Functional and physical specifications for the amplifier are listed in table 1-2. 1-4 Equipment Changes Powerwave Technologies, Inc. reserves the right to make minor changes to the equipment, in- cluding but not necessarily limited to component substitution and circuitry changes. Changes that impact this manual may subsequently be incorporated in a later revision of this manual. -
Page 7: Ordering Information
25% over equipment maximum current draw), in a load center with a master switch. Copyright Powerwave Technologies, Inc., April 2002. All rights reserved All specifications are subject to change without notice. Contact the factory for complete performance data. - Page 8 G3S-800-180-029 Installation & Service Manual Figure 1-1 G3S-800-180-029 Copyright Powerwave Technologies, Inc., April 2002. All rights reserved All specifications are subject to change without notice. Contact the factory for complete performance data. 044-05112 Rev. A April 2002...
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Page 9: Introduction
DON'T TAKE CHANCES WITH YOUR LICENSE. 2-2 Electrical Service Recommendations Powerwave Technologies recommends that proper AC line conditioning and surge suppression be provided on the primary AC input to the +27 Vdc power source. All electrical service should be installed in accordance with the National Electrical Code, any applicable state or local codes, and good engineering practice. -
Page 10: Air Conditioning
AUTION Exercise care in handling equipment during inspection to prevent damage caused by rough or careless handling. Copyright Powerwave Technologies, Inc., April 2002. All rights reserved 044-05112 Rev. A April 2002... -
Page 11: Installation Instructions
Check your work before applying DC voltage to the system. Make certain all connections are tight and correct. 10. Turn the power distribution circuit breakers back on. Copyright Powerwave Technologies, Inc., April 2002. All rights reserved 044-05112 Rev. A April 2002... -
Page 12: Amplifier Module Connectors
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 Figure 2-2 DC and Logic Connector (on Rear of G3S-800-180-029 Amplifier Module) Copyright Powerwave Technologies, Inc., April 2002. All rights reserved 044-05112 Rev. A April 2002... -
Page 13: 2-6.2 Amplifier Module Rf Connector
Figure 2-3 Amplifier RF Connector Table 2-5 Amplifier RF Connector Definition Function Description RF Input BMA Coaxial Female, Radiall RF Output BMA Coaxial Female, Radiall Copyright Powerwave Technologies, Inc., April 2002. All rights reserved 044-05112 Rev. A April 2002... -
Page 14: Operating Instructions
3-2.1.2 RF ON Switch Three position switch: Off (down position) - Turns off RF section of amplifier module. On (center position) - Normal amplifier on position. Copyright Powerwave Technologies, Inc., April 2002. All rights reserved 044-05112 Rev. A April 2002... -
Page 15: 3-2.1.3 +27Vdc Indicator
A ‘Critical Alarm’ is indicative of a fatal problem. The fault indicator will latch on and the MCPA module will be disabled. Both ‘Major Alarm’ and ‘Critical Alarm’ will be sent to the host system via the MCPA subrack. Copyright Powerwave Technologies, Inc., April 2002. All rights reserved 044-05112 Rev. A April 2002... -
Page 16: Amplifier Module Alarm Indicators Definition
Turn on Over Pwr LED c) Set flag for Over Pwr alarm d) The MCPA module uses an RMS power detector to determine the overpower fault. Copyright Powerwave Technologies, Inc., April 2002. All rights reserved 044-05112 Rev. A April 2002... -
Page 17: Initial Start-Up And Operating Procedures
Follow the power setting procedure set forth in the amplifier subrack or system integration manual. Turn on external exciter/transceiver and apply RF input signals. Copyright Powerwave Technologies, Inc., April 2002. All rights reserved 044-05112 Rev. A April 2002... -
Page 18: Principles Of Operation
AB main amplifier. The error amplifier operates in class AB mode. The RF input signals are ampli- Copyright Powerwave Technologies, Inc., April 2002. All rights reserved 044-05112 Rev. A... -
Page 19: 4-4.1 Main Amplifier
The alarms are displayed on the front panel indi- cators and output via a 21-pin connector on the rear of the module to the subrack summary board Copyright Powerwave Technologies, Inc., April 2002. All rights reserved 044-05112 Rev. A... -
Page 20: 4-4.4 Amplifier Module Cooling
The presence of several plug-in amplifier alarms can be detected at the DC and logic connector on the amplifier rear panel. Refer to table 2-3 and figure 2-2 for a description of the connector. Copyright Powerwave Technologies, Inc., April 2002. All rights reserved 044-05112 Rev. A... -
Page 21: Introduction
All RF test equipment must be calibrated to 0.05 dB resolution. Any deviation from the nominal attenuation must be accounted for and factored into all output readings. Copyright Powerwave Technologies, Inc., April 2002. All rights reserved 044-05112 Rev. A... -
Page 22: Clean Air Inlets/Outlets
F4 to 889 MHz. Adjust each signal generator output so that the sum power output from all four signal generators equals -6 dBm at the input. Copyright Powerwave Technologies, Inc., April 2002. All rights reserved 044-05112 Rev. A... -
Page 23: 5-5.1.1 Amplifier Imd Test
With the power set at 180 watts power output, use the spectrum analyzer and check the fre- quency band from 869 MHz to 894 MHz for harmonics. Harmonics should be 5 dBm maxi- mum. Record test data in table 5-3. Copyright Powerwave Technologies, Inc., April 2002. All rights reserved 044-05112 Rev. A April 2002... -
Page 24: Input Return Loss
Loss 869-894 MHz Band Vcc = 27 Vdc DC Power PO = 180 W 70 Amps 4 Tones PASS _________________________________ FAIL _______________________________ Tested by ______________________________ Copyright Powerwave Technologies, Inc., April 2002. All rights reserved 044-05112 Rev. A April 2002... -
Page 25: 5-6.1 G3S-800-180-029 Power Amplifier Module
(refer to figure 5-2). Simultaneously press the front half of each spring clip towards the center of the amplifier and resume removal of the amplifier. Copyright Powerwave Technologies, Inc., April 2002. All rights reserved 044-05112 Rev. A April 2002... -
Page 26: 5-6.2 Cooling Fans
Remove amplifier module from subrack; see paragraph 5-6.1 preceding. Loosen the four Phillips head screws that secure the fan to the amplifier module. Disconnect the fan power connector from the amplifier module. Copyright Powerwave Technologies, Inc., April 2002. All rights reserved 044-05112 Rev. A April 2002... -
Page 27: Troubleshooting
RF power may be incorrectly set during equipment com- missioning. This may be due to a faulty jumper cable. Verify the amplifier subrack output ca- Copyright Powerwave Technologies, Inc., April 2002. All rights reserved 044-05112 Rev. A... -
Page 28: 6-2.3 High Temp Illuminated
Ensure the amplifier thumbscrews are properly tightened. Try seating the amplifier in another subrack slot. Try seating the amplifier in a subrack in another sector. Copyright Powerwave Technologies, Inc., April 2002. All rights reserved 044-05112 Rev. A April 2002... -
Page 29: 6-2.5 Dc Fail Illuminated
Reset button on the amplifier front panel up. 12. Try seating the amplifier in another subrack slot. 13. Try seating the amplifier in a subrack in another sector. Copyright Powerwave Technologies, Inc., April 2002. All rights reserved 044-05112 Rev. A April 2002... -
Page 30: Return For Service Procedures
To ensure safe shipment of the amplifier, it is recommended that the package designed for the amplifier be used. The original packaging material is reusable. If it is not available, contact Powerwave’s Customer Service Department for packing materials and information. Copyright Powerwave Technologies, Inc., April 2002. All rights reserved 044-05112 Rev. A April 2002...
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