Powerwave Technologies 5JS0044 Multi-Channel Power Amplifier User Manual sect 1

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Document ID	120271
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Document Description	sect 1
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Permanent Confidential	No
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Document Type	User Manual
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Filesize	8.48kB (105985 bits)
Date Submitted	2000-10-06 00:00:00
Date Available	2000-10-06 00:00:00
Creation Date	2000-10-06 13:50:08
Producing Software	Acrobat Distiller 4.0 for Windows
Document Lastmod	2000-10-06 13:50:10
Document Title	sect 1

Section
GENERAL DESCRIPTION
1-1. INTRODUCTION
This manual contains information and procedures for installation, operation, and maintenance of
Powerwave’s G3S-800-150 multicarrier cellular amplifier. The manual is organized into six
sections as follows:
Section 1.
Section 2.
Section 3.
Section 4.
Section 5.
Section 6.
General Description
Installation
Operating Instructions
Principles of Operation
Maintenance
Troubleshooting
1-2. GENERAL DESCRIPTION
The G3S-800-150 (see figure 1-1) is a linear, feed-forward power amplifier that operates in the 25
MHz frequency band from 869 MHz to 894 MHz. The amplifier can simultaneously transmit
multiple frequencies, with better than -65 dBc third order intermodulation distortion (IMD). It is
designed for use in an amplifier system that is modular in design, and is ideally suited for use in
AMPS/TDMA/CDMA base stations. When used in a subrack employing two G3S-800-150
amplifiers, the system offers up to 270 watts output. The plug-in Model G3S-800-150 amplifier
modules can each provide 150 watts of power and function completely independently of each
other. The amplifier modules are designed for parallel operation to produce high peak power
output and backup redundancy for remote applications. All solid-state, the system is designed to
provide trouble-free operation with minimum maintenance. The system's modular construction and
unique and highly effective LED-based operational status and fault indicators help minimize
downtime. The turn-on and turn-off sequences of voltages are fully automatic, as is overload
protection and recycling. Inadvertent operator damage from front panel manipulation is virtually
impossible.
Each amplifier module has a status connector that allows the host system to monitor the amplifier
module performance. The front panel of each amplifier module has unit level status/fault indicators
and an RF on/off/reset switch. Primary power for the amplifier is +27 Vdc. Cooling for each
plug-in amplifier module is provided by four fans, two mounted on the front and two on the rear of
the module. The fans draw outside air through the front of the module and exhaust hot air out
through the rear of the module.
1-3. FUNCTIONAL AND PHYSICAL SPECIFICATIONS
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,
including 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.
044-05073 Rev. A
1-1
1-5. ORDERING INFORMATION
Table 1-1 following gives the part numbers and descriptions to be used when ordering either an
entire amplifier or replacement fans.
Table 1-1. Major Amplifier Components
MODEL NUMBER
G3S-800-150
800-00972-001
800-00972-002
DESCRIPTION
150 W 869-894 MHz
MCPA Module.
Front fan assembly
Rear fan assembly.
Table 1-2. G3S-800-150 Multicarrier Cellular Amplifier Functional Specifications
Frequency Range
Total Maximum Input Power
Total Output Power
Intermodulation Distortion
and In-Band Spurious:
RF Gain at 880 MHz
Gain Flatness:
Gain Variation Over Temperature:
Output Protection:
Input Port Return Loss:
Second Harmonics:
Out of Band Spurious:
Duty Cycle:
DC Input Power:
Operating Temperature:
Storage Temperature:
Operating Humidity:
Storage Humidity:
RF Input / Output Connector
Status / Alarm / Control / DC Input
Connectors:
Dimensions:
044-05073 Rev. A
869-894 MHz (25 MHz Bandwidth)
-6 dBm
150 W typical (1 Module)
-65 dBc (Min) @ +24 to +28 Vdc @ 150 Watts
-62 dBc (Max) @ +21.7 to +24 Vdc
58 dB
± 0.7 dB @ 27 Vdc ±1 Vdc
±0.3 dB from 23 to 30 Vdc
Mismatch Protected
-16 dB (Min)
-13 dBm (Max)
Better than -60 dBc, +24 Vdc to +28 Vdc
Continuous
+27 Vdc ± 1 Vdc, 60 Amps Max @ 150 Watts
Operational +21.7 Vdc to 30 Vdc
0 ºC. to +50 ºC.
-40 ºC. to +85 ºC.
5 % - 95 % Relative Humidity (Noncondensing)
5 % - 95 % Relative Humidity (Noncondensing)
2-Pin D-Subminiature Connector
21-Pin D-Subminiature Combo Connector
5.22” High, 17.00” Wide, 20.44” Deep (Including handles, rear
fans)
1-2
044-05073 Rev. A
1-3

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