Powerwave Technologies 5JS0067 User Manual

1930-1990 MHz

Installation & Service

Manual

Model NTUM30DA

Multi-Channel PCS Amplifier

044-05141 Rev. A June 2003

 Copyright Powerwave Technologies, Inc., June 2003. All rights reserved

NTUM30DA Installation & Service Manual

© 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.

June 2003

Powerwave Technologies, Inc. Tel: [phone]
1801 East St. Andrew Place [phone]
Santa Ana, CA 92705 Fax: [phone]
Web Site: www.powerwave.com

 Copyright Powerwave Technologies, Inc., June 2003. All rights reserved

044-05141 Rev. A ii June 2003

NTUM30DA Installation & Service Manual

Table Of Contents

Par. Section 1 Page
No.

General Description No.

1-1 Introduction ..................................................................................................................................................... 1-1

1-2 General Description....................................................................................................................................... 1-1

1-3 Functional and Physical Specifications....................................................................................................1-1

Section 2

Installation

2-1 Introduction ..................................................................................................................................................... 2-1

2-2 Electrical Service Recommendations........................................................................................................ 2-1

2-3 Unpacking and Inspection............................................................................................................................ 2-1

2-4 Installation Instructions................................................................................................................................ 2-2

2-5 Power In Connector ....................................................................................................................................... 2-2

2-6 Data I/O Connector......................................................................................................................................... 2-3

2-7 P3: Differential IIC Clock, Receive, & Transmit Connector................................................................... 2-4

2-8 P4: IIC, Power, Alarms, & Controls Connector......................................................................................... 2-4

2-9 P5: IIC, RS485, Power, & Other Signals Connector .................................................................................2-6

Section 3

Operating Instructions

3-1 Introduction ..................................................................................................................................................... 3-1

3-2 Initial Start-Up and Operating Procedures ............................................................................................... 3-1

Section 4

Principles of Operation

4-1 Introduction ..................................................................................................................................................... 4-1

4-2 RF Input Signal................................................................................................................................................ 4-1

4-3 RF Output Load ................................................................................................................................................4-1

4-4 Amplifier Functional Description................................................................................................................ 4-1

4-4.1 Input Amplifier ................................................................................................................................................ 4-1

4-4.2 1

4-4.3 Driver Amplifier .............................................................................................................................................. 4-2

4-4.4 Main Amplifier ................................................................................................................................................ 4-2

4-4.5 Multifunction Board....................................................................................................................................... 4-2

4-5 Amplifier Module Cooling ............................................................................................................................ 4-2

4-6 Power Distribution......................................................................................................................................... 4-3

4-7 Amplifier Alarms............................................................................................................................................. 4-3

4-7.1 Minor Alarms................................................................................................................................................... 4-3

4-7.1.1 Main Loop Cancellation Alarm (1

4-7.1.2 Error Loop Cancellation Alarm (2nd Loop Alarm)...................................................................................... 4-4

4-7.1.3 Gain Alarm ....................................................................................................................................................... 4-4

4-7.1.4 Partial Failure of Main Amplifier Alarm (Transistor/Device Fail) ........................................................4-4

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

st

Loop Phase & Gain.................................................................................................................................... 4-1

st

Loop Alarm)...................................................................................... 4-3

044-05141 Rev. A June 2003

 Copyright Powerwave Technologies, Inc., June 2003. All rights reserved

iii

NTUM30DA Installation & Service Manual

Par.
No.

Principles of Operation (continued) No.

Section 4 Page

4-7.2.1 Over Temperature Shutdown Alarm........................................................................................................... 4-5

4-7.2.2 Power Supply Shutdown Alarm ..................................................................................................................4-5

4-7.2.3 High DC Power Consumption Shutdown Alarm ....................................................................................... 4-6

Section 5

Maintenance

5-1 Introduction ..................................................................................................................................................... 5-1

5-2 Periodic Maintenance................................................................................................................................... 5-1

5-3 Field Replacement Of The Module.............................................................................................................. 5-1

Section 6

6-1 Introduction ..................................................................................................................................................... 6-1

6-2 Trouble shooting............................................................................................................................................. 6-1

6-3 Return for Service Procedures ....................................................................................................................6-1

6-3.1 Obtaining an RMA ..........................................................................................................................................6-1

6-3.2 Repackaging for Shipment ........................................................................................................................... 6-1

Troubleshooting

List Of Illustrations

Figure Page
No. No.

1-1 NTUM30DA Amplifier .................................................................................................................................... 1-1

1-2 NTUM30DA Amplifier Bottom View............................................................................................................ 1-3

1-3 NTUM30DA Amplifier Side View ................................................................................................................ 1-3

1-4 NTUM30DA Amplifier Front Panel .............................................................................................................. 1-4

2-1 NTUM30DA Amplifier Front Panel .............................................................................................................. 2-2

2-2 Power In Connector ....................................................................................................................................... 2-2

2-3 Data I/O Connector......................................................................................................................................... 2-3

4-1 NTUM30DA Amplifier Block Diagram........................................................................................................ 4-2

4-2 Minor Alarm Reporting Sequence ..............................................................................................................4-3

4-3 Major Alarm Reporting Sequence ..............................................................................................................4-5

List Of Tables

Table Page
No.

No.

1-1 NTUM30DA Multichannel Power Amplifier Functional Specifications.............................................. 1-2

2-1 Power In Connector Definition .................................................................................................................... 2-2

2-2 Data I/O Connector Definition...................................................................................................................... 2-3

4-1 Alarm Summary .............................................................................................................................................. 4-6

5-1 Periodic Maintenance................................................................................................................................... 5-1

6-1 Troubleshooting.............................................................................................................................................. 6-1

044-05141 Rev. A June 2003

 Copyright Powerwave Technologies, Inc., June 2003. All rights reserved

iv

NTUM30DA Installation & Service Manual

Section 1 General Description Section 1 General Description

1-1 Introduction 1-1 Introduction

This manual contains information and procedures for installation, operation, and maintenance of

This manual contains information and procedures for installation, operation, and maintenance of
Powerwave’s model NTUM30DA multichannel power amplifier (MCPA). The manual is organized

Powerwave’s model NTUM30DA multichannel power amplifier (MCPA). The manual is organized
into six sections as follows:

into six sections as follows:

Section 1. General Description

Section 1. General Description
Section 2. Installation

Section 2. Installation
Section 3. Operating Instructions

Section 3. Operating Instructions
Section 4. Principles of Operation

Section 4. Principles of Operation
Section 5. Maintenance

Section 5. Maintenance
Section 6. Troubleshooting

Section 6. Troubleshooting

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. It provides either 30 watts (UMTS) or 45 watts of power, based on the select-

MHz to 1990 MHz. It provides either 30 watts (UMTS) or 45 watts of power, based on the select­able operating mode. It provides for two RF inputs: a primary input and a redundant input.

able operating mode. It provides for two RF inputs: a primary input and a redundant input.

Each amplifier module has a power, and data I/O connector that allows the host system to moni-

Each amplifier module has a power, and data I/O connector that allows the host system to moni­tor the amplifier module performance. Primary power for the amplifier is -48 Vdc.

tor the amplifier module performance. Primary power for the amplifier is -48 Vdc.

1-3 Functional & Physical Specifications 1-3 Functional & Physical Specifications

Functional and physical specifications for the amplifier are listed in table 1-1. Functional and physical specifications for the amplifier are listed in table 1-1.

Figure 1-1. NTUM30DA Amplifier

All specifications are subject to change without notice. Contact the factory for complete performance data.

044-05141 Rev. A

 Copyright Powerwave Technologies, Inc., June 2003. All rights reserved

1-1 June 2003

NTUM30DA Installation & Service Manual

Table 1-1 NTUM30DA Multichannel Power Amplifier Functional Specifications

Frequency Range 1930-1990 MHz (60 MHz Bandwidth)

*Instantaneous Bandwidth 20 MHz

Input Power 1.4 dBm without damage (operating);

15 dBm without damage (non-operating)

Continuous Average Output Power 45 Watts (46.53 dBm) Mode 1

30 Watts (44.77 dBm) Mode 2

Frequency Offset

Fcl: lower frequency center of the emission block.

Fcu: upper frequency center of the emission block.

∆F = the frequency gap between the lower or the upper carrier of the

emission block and the center of the measurement filter (BW)

Max Level

dBm

Measurement

filter BW

Fcl- 2.780 MHz< ∆F ≤ Fcl- 2.515 MHz

Spurious

Emissions @

Maximum Rated

Output Power

Fcu+ 2.515 MHz≤ ∆F < Fcu+ 2.780 MHz

Fcl- 3.515 MHz< ∆F ≤ Fcl- 2.780 MHz
Fcu+ 2.780 MHz≤ ∆F < Fcu+ 3.515 MHz

Fcl- 4.0 MHz< ∆F ≤ Fcl- 3.515 MHz
Fcu+ 3.515 MHz≤ ∆F < Fcu+ 4.0 MHz

Fcl- 12.5 MHz< ∆F ≤ Fcl- 4.0 MHz
Fcu+4.0 MHz≤ ∆F < Fcu+12.5 MHz

RF Gain 46.5 ± 1 dB

Output Dynamic Range

Mode 1
Mode 2

21.5 dB

19.77 dB

Output Protection: Mismatch Protected

Input Port Return Loss: < 1.43:1 Max.

Frequency band Max Level (dBm) Measurement filter BW

9 kHz ↔ 150 kHz

150 kHz ↔ 30 MHz

30 MHz ↔ 1 GHz

Out of Band

Spurious:

1 GHz ↔ Fc1 - 60 MHz

Fcl - 60 MHz ↔ Fcl - 50 MHz

- 16 30 kHz

[-16-15*(Fo-2.780)] 30 kHz

-27 30 kHz

-14 1 MH

-39 dBm 1 kHz

-39 dBm 10 kHz

-39 dBm 100 kHz

-33 dBm 1 MHz

-28 dBm 1 MHz

Z

-16 dBm 1 MHz

-16 dBm 1 MHz

-28 dBm 1 MHz

-33 dBm 1 MH

Fcu + 12.5 MHz ↔ Fcu + 50 MHz

DC Input Power:

Normal voltage range:
Extended voltage range:
Abnormal voltage range:

Power Consumption:

Mode 1
Mode 2

Fcl - 50 MHz ↔ Fcl – 12.5 MHz

Fcu + 50 MHz ↔ Fcu + 60 MHz

Fcu + 60 MHz ↔ 12.75 GHz

Reverse polarity protected

-38 V to –58 V

-36 V to –38 V and -58 V to –60 V
0 V to –36 V and -60 V to –72 V

375 W max.
300 W max.

All specifications are subject to change without notice. Contact the factory for complete performance data.

044-05141 Rev. A

 Copyright Powerwave Technologies, Inc., June 2003. All rights reserved

1-2 June 2003

Z

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

Operating Humidity: 5 % - 95 % Relative Humidity (Non-condensing)

Storage Humidity: 5 % - 95 % Relative Humidity (Non-condensing)

Interface Connectors:

RF Input

RF Output

-48 Vdc Power and Ground

Alarms and Sensing

Weight 22 lbs

Dimensions (inches): 12.82 (W) x 15.70 (D) x 2.94 (H)

SMA Female

N Female

3W3 D-Sub

25-Pin D-Sub

*The base station reports the lowest carrier frequency and the activated RF carriers. The ampli-

fier then sets the pilot frequency accordingly.

All dimensions are in inches
And are for reference only

All specifications are subject to change without notice. Contact the factory for complete performance data.

044-05141 Rev. A

Figure 1-2. NTUM30DA Amplifier Bottom View

Figure 1-3. NTUM30DA Amplifier Side View

 Copyright Powerwave Technologies, Inc., June 2003. All rights reserved

1-3 June 2003