Raytheon IDS M3-VHF-136 110W VHF BASE STATION User Manual USERS MANUAL POWER AMPLIFIER

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Document ID	1676155
Application ID	bD47yVd7VTdDwQnLdhnKQg==
Document Description	USERS MANUAL POWER AMPLIFIER
Short Term Confidential	No
Permanent Confidential	No
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Document Type	User Manual
Display Format	Adobe Acrobat PDF - pdf
Filesize	5.67kB (70905 bits)
Date Submitted	2012-04-13 00:00:00
Date Available	2012-04-13 00:00:00
Creation Date	2011-12-30 10:52:37
Producing Software	Adobe PDF Scan Library 2.3
Document Lastmod	2011-12-30 10:52:37
Document Title	USERS MANUAL POWER AMPLIFIER
Document Creator	PFU ScanSnap Manager 4.2.14

MM101383V2, Rev. B
4 INSTALLATION
10
In MASTR Ill base stations, the EAl0l292VIO Power Amplifier is designed to replace the
1909027970! Power Amplifier and the Low Pass Filter Assembly. The EAIOI292VII and
EAI01292VI2 Power Amplifiers are designed to replace the I9D902797GZO and I9D902797GZI Power
Amplifiers. respectively. Adjustable raek cars allow installation in all standard configurations as well as
many non-standard configurations, without requiring modification of the rack.
FWER mmrten
output counccum
aw mount-us am
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(30TH Sines)
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Figure 4-I: Standard Tall Ruck Application (Top View)
mm mmflm
Figure 4-2: Standard J7-Inclt Rack Application (Top View)
Before beginning the installation of the Power Amplifier, check the rack configuration. As shipped. the
unit is configured to mount directly in the standard 83-inch and 69-inch rack configurations without
adjusting the rack ears (see Figure 4-l). For the standard 37-inch nick configuration. however‘ the rack
ears need to be reversed as shown in Figure 4-2. To reverse the rack ears, simply remove the three
retaining screws on each rack ear, reverse and reorient the rack ears. then replace and properly torque (30
ii in. lbs.) the retaining screws.
MM101383V2, Rev. B
In the standard configurations. the unit mounts on the roar rack rail, behind the T/R Shelf. with the fan
facing the T/R Shelf and the front of the rack. This configuration protects the cabling against accidental
damage, and provides adequate spacing in front of the fan to allow ample cooling airflow.
For non-standard configurations the ears can be oiTsct and/or reversed. as needed. to allow sufficient
clearance for the cables. surrounding equipment, and fan intake. Extra holes in the rack ears allow for
mounting with a V: inch offset. if necessary. When selecting a configuration, consider all cable routing
carefullyr The unit should be positioned to allow adequate clearance for all cables between the unit and
surrounding equipment. In particular, ensure the RF output coaxial cable does not require an excessively
small bend radius and all cables are clear of sharp edges that could pierce the outer jacket. Also be sure
that the fan intake is not blocked.
Once the unit is configured for mounting, the PA is ready for installation Be sure that power to the
station is turned olT then connect the RF output cable to the PA. Next. connect the control cable to NO:
on the T/R Shelf Interface Board. located on top ofthe T/R Shelf.
Once the PA is mounted. it will be difficult to access the RF output connection. Ensure
this critical connection is secure prior to mounting the PA.
NOTE
Ensure the power supply output voltage matches the rating of the Power Amplifier
before applying power to the unit.
CAUTION
Connect the DC power cable to the station power supply, normally mounted just below the T/R Shell".
Ensure that the power supply output voltage matches the rating of the Power Amplifier before applying
power to the unit.
Finally. mount the Power Amplifier to the rack rail using four (4) standard rack screws.
11

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