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 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: ...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 man...
Page 3: ...es 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 1st Loop Phase Gai...
Page 4: ...rations 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 Pan...
Page 5: ...ovides either 30 watts UMTS or 45 watts of power based on the select able operating mode It provides for two RF inputs a primary input and a redundant input The NTUM30DA is a linear multichannel power...
Page 6: ...purious Emissions Maximum Rated Output Power Fcl 12 5 MHz F Fcl 4 0 MHz Fcu 4 0 MHz F Fcu 12 5 MHz 14 1 MHZ RF Gain 46 5 1 dB Output Dynamic Range Mode 1 Mode 2 21 5 dB 19 77 dB Output Protection Mism...
Page 7: ...Interface Connectors RF Input RF Output 48 Vdc Power and Ground Alarms and Sensing SMA Female N Female 3W3 D Sub 25 Pin D Sub Weight 22 lbs Dimensions inches 12 82 W x 15 70 D x 2 94 H The base statio...
Page 8: ...re 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 perfor...
Page 9: ...it breakers should be thermal type capable of handling the maximum anticipated inrush current in a load center with a master switch 2 3 Unpacking Inspection This equipment has been operated tested and...
Page 10: ...nnectors Refer to paragraphs 2 5 and 2 6 following for appropriate port and pin connections 5 Check your work before applying DC voltage to the system Make certain all connections are tight and correc...
Page 11: ...ence_reset Ground 7 Reserved Reserved 8 GND Ground 9 Reserved Reserved 10 Reserved Reserved 11 GND Ground 12 Reserved Reserved 13 Reserved Reserved 14 UART TX TRM to MCPA Base Station Control and Alar...
Page 12: ...s Do not operate the amplifier without a load attached Re fer to table 1 1 for input power requirements Excessive input power may damage the amplifier NOTE The output coaxial cable between the amplifi...
Page 13: ...compliant to the requirements of FCC rules with respect to spurious emissions see table 1 1 Constant gain is maintained by continuously comparing active paths with passive references and correcting f...
Page 14: ...s to the host system through the multifunction board which gathers the status informa tion of the amplifier and reports to the host system via the RS 485 interface when instructed It also protects the...
Page 15: ...MCPA OPERATIONAL Read Power and Status response Alarm reported Minor Alarm condition appears Minor Alarm condition disappears Read Power and Status command Minor Alarm condition still exists Read Pow...
Page 16: ...and converged the Main VVA and Er ror VVA convergence points are compared to the Default Main VVA and Default Error VVA values with temperature compensation If either of the VVAs is significantly lowe...
Page 17: ...ion still exists Read Power and Status command Read Power and Status response Alarm reported Read Power and Status command Read Power and Status response Alarm reported STANDBY Figure 4 3 Major Alarm...
Page 18: ...10 out of toler ance 5 seconds DC Power Consumption Overload Major Mode 1 Input DC power 417W Mode 2 Input DC power 330W 1 second High DC Power Consumption Minor Mode 1 Input DC power 375W Mode 2 Inp...
Page 19: ...Action Inspection Cables Connectors 12 Months Inspect signal and power cables for frayed insulation Check RF connectors to be sure that they are tight Performance Tests No periodic maintenance is nec...
Page 20: ...ltage MCPA Not Enabled Verify HPA Allow Enable line is high Alarm Output is RS 422 High Verify input RF is within specified power and frequency limits 6 3 Return For Service Procedures When returning...
Page 21: ...e please circle all that apply Loop Fail VSWR Low Pwr Ovr Pwr DC LPA Disable Ovr Temp Alarm No RF Out Firmware Shipping Damage Missing Hardware Connector Damaged Failed During please circle all that a...
