Related Manuals for Powerwave Technologies NTUM30DA
Summary of Contents for Powerwave Technologies NTUM30DA
- Page 1 1930-1990 MHz Installation & Service Manual Model NTUM30DA Multi-Channel PCS Amplifier Copyright Powerwave Technologies, Inc., June 2003. All rights reserved 044-05141 Rev. A June 2003...
- Page 2 © 2003 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
4-7.1.5 Over Temperature Warning Alarm......................4-4 4-7.1.6 Power Supply Warning Alarm ........................4-4 4-7.1.7 High DC Power Consumption Warning Alarm ..................4-4 4-7.2 Major Alarms..............................4-5 Copyright Powerwave Technologies, Inc., June 2003. All rights reserved 044-05141 Rev. A June 2003... - Page 4 NTUM30DA Multichannel Power Amplifier Functional Specifications..........1-2 Power In Connector Definition ........................2-2 Data I/O Connector Definition........................2-3 Alarm Summary .............................. 4-6 Periodic Maintenance........................... 5-1 Troubleshooting.............................. 6-1 Copyright Powerwave Technologies, Inc., June 2003. All rights reserved 044-05141 Rev. A June 2003...
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Page 5: General Description No
1-2 General Description 1-2 General Description The NTUM30DA is a linear, multichannel power amplifier that operates with an instantaneous The NTUM30DA is a linear, multichannel power amplifier that operates with an instantaneous bandwidth of 20 MHz (determined by the base station) in the 60 MHz frequency band from 1930 bandwidth of 20 MHz (determined by the base station) in the 60 MHz frequency band from 1930 MHz to 1990 MHz. - Page 6 Mode 1 375 W max. Mode 2 300 W max. Copyright Powerwave Technologies, Inc., June 2003. All rights reserved All specifications are subject to change without notice. Contact the factory for complete performance data. 044-05141 Rev. A June 2003...
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Page 7: Ntum30Da Amplifier Bottom View
NTUM30DA Installation & Service Manual Table 1-1 (Cont.) NTUM30DA Multichannel Power Amplifier Functional Specifications Table 1-1 (Cont.) NTUM30DA Multichannel Power Amplifier Functional Specifications Operating Temperature: Operating Temperature: -15 ºC to +95 ºC (internal temperature sensor) -15 ºC to +95 ºC (internal temperature sensor) Storage Temperature: -40 ºC to +85 ºC... -
Page 8: Ntum30Da Amplifier Front Panel
NTUM30DA Installation & Service Manual Figure 1-4. NTUM30DA Amplifier Front Panel Copyright Powerwave Technologies, Inc., June 2003. All rights reserved All specifications are subject to change without notice. Contact the factory for complete performance data. 044-05141 Rev. A June 2003... -
Page 9: Introduction
2-1 Introduction This section contains unpacking, inspection, and installation instructions and recommendations for the Model NTUM30DA Multi Channel Power Amplifier. Carefully read all material in this sec- tion prior to equipment unpacking or installation. Also read and review the operating procedures in section 3 prior to installing the equipment. -
Page 10: Installation Instructions
2-4 Installation Instructions (Refer to figure 1-1) The NTUM30DA amplifier module is designed for installation on a heatsink that permits access to the module for connection of the RF cables and the power, alarm, and control connectors. To install the amplifier proceed as follows: Figure 2-1 NTUM30DA Amplifier, Front Panel View Install the amplifier and secure in place with appropriate mounting screws. -
Page 11: Data I/O Connector
Base Station Control and Alarm Signaling UART RX- (MCPA to TRM) Base Station Control and Alarm Signaling Ground Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Copyright Powerwave Technologies, Inc., June 2003. All rights reserved 044-05141 Rev. A June 2003... -
Page 12: Operating Instructions
This section contains operating instructions for the Multicarrier Cellular Amplifier. 3-2 Initial Start-Up & Operating Procedures There are no operating controls or indicators on the NTUM30DA amplifier module. To perform the initial start-up, proceed as follows: Verify that all input and output cables are properly connected, per section 2. -
Page 13: Principles Of Operation
4-4 Amplifier Functional Description The NTUM30DA amplifier (figures 1-1 and 4-1) is a linear, MCPA that operates in the 60 MHz frequency band from 1930 MHz to 1990 MHz with an instantaneous bandwidth of 20 MHz. The operating band is determined by the operating frequency selection(s) of the base station (refer to table 1-1). -
Page 14: 4-4.3 Driver Amplifier
Copyright Powerwave Technologies, Inc., June 2003. All rights reserved 044-05141 Rev. A... -
Page 15: Power Distribution
When the main amplifier is first turned on, the Main Loop Cancellation Alarm ON is on until the loops converge. The BTS allows 30 seconds for the alarm to clear after putting the amplifier into Operational mode before reporting the alarm. Copyright Powerwave Technologies, Inc., June 2003. All rights reserved 044-05141 Rev. A June 2003... -
Page 16: 4-7.1.2 Error Loop Cancellation Alarm (2 Nd Loop Alarm)
If input DC power exceeds 375W in Mode 1 or 300W in Mode 2, for five seconds, the High DC Power Consumption Warning Alarm is set. Copyright Powerwave Technologies, Inc., June 2003. All rights reserved 044-05141 Rev. A June 2003... -
Page 17: 4-7.2 Major Alarms
28V > 30.8V or 28V < 24.8V in Mode 1 or 24V > 25.75V or 24V < 20.25V in Mode 2. • 9V > 9.9V or 9V < 8.1V Copyright Powerwave Technologies, Inc., June 2003. All rights reserved 044-05141 Rev. A June 2003... -
Page 18: 4-7.2.3 High Dc Power Consumption Shutdown Alarm
Error Cancellation Loop 2nd Loop Error > 2000 (No persistence 30 seconds (Minor) when amplifier first enabled.) (on item 1) Loss of Pilot detected. Copyright Powerwave Technologies, Inc., June 2003. All rights reserved 044-05141 Rev. A June 2003... -
Page 19: Introduction
5-3 Field Replacement Of The Module The NTUM30DA multichannel power amplifier module can be replaced in the field on site by a qualified technician with adequate ESD protection and experience maintaining RF power amplifi- ers and similar equipment. -
Page 20: Troubleshooting
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., June 2003. All rights reserved 044-05141 Rev. A June 2003... - Page 21 Medium Traffic Hour Low Traffic Hour DOA? Y / N Failure Frequency: Intermittent Permanent Failure Details: Did other equipment fail at the same time? (Please describe) Copyright Powerwave Technologies, Inc., June 2003. All rights reserved 044-05141 Rev. A June 2003...
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