Raytheon IDS M3-UHF-450 100W UHF BASE STATION User Manual UHF Power Amplifier

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Document ID	1612502
Application ID	AeBODPNkta3wRX5Rumpm0Q==
Document Description	Users Manual UHF Power Amplifier
Short Term Confidential	No
Permanent Confidential	No
Supercede	No
Document Type	User Manual
Display Format	Adobe Acrobat PDF - pdf
Filesize	6.76kB (84476 bits)
Date Submitted	2011-12-30 00:00:00
Date Available	2011-12-30 00:00:00
Creation Date	2011-11-02 14:18:09
Producing Software	Adobe PDF Scan Library 2.3
Document Lastmod	2011-11-02 14:18:09
Document Title	Users Manual UHF Power Amplifier
Document Creator	PFU ScanSnap Manager 4.2.14

MM101383V3, Rev. C 9
4.
INSTALLATION
In MASTR III base stations the EA101292V21 and EA-I01292-021 Power Amplifiers are designed to
replace the l9D902797GG, 19D902797G7, 19D902797Gs. and the 19D902797Gll Power Amplifier and
their associated Low Pas Filter Assembly The EA101292V22 and EA-10l292~022 Power Amplifiers
are designed to replace the 19090279701 I9D902797G9. and 1913902797010 Power Amplifiers.
Earlier versions of the MASTR Ill base station are equipped with a 12VDC power stpply. lite
EA10I292V21‘ EA-101292-021, EA! 01292V22. EA-101292-022 and EA-101292-023 Power Amplifiers
are designed to operate with a 26VDC power supply.
1“
FROM" RACK ASSEMBLY
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Figure 4-1: Standard Tull Ruck Application (Top Vlew)
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MP!" common
figure 4-2: Standard 37-[nch Rack Appllcntlon (Top View)
Adjustable rack ears allow installation in all standard configurations as well as many non-standard
oonfiguralions, without requiring modification of the make Before beginning the installation of the Power
Amplifier. check the rude configuration. As shipped the unit is configured to mount directly in the
standard 83-inch and 69- inch rack configurations without adjuaing the rack ears (see Figure 4-1) For the
standard 37-inch rack configuration. however, the rack ears need to be reversed as shown in Figure 4-2.
10
b MM101383V3, Rev. C
To reverse the rack ears simply remove the three retaining screws on each rack ear, reverse and re-orient
the radt ears then replace and properly torque (30 ii in. lbs.) the retaining screws,
In the standard configurations, the unit mounts on the rear rack rail. behind the Mt Shelf. with the fan
facing the T/R Shelf and the (tom of the rack. This configuration protects the cabling against accidmtal
damage, and provides adequate spacing in front of the fan to allow ample cooling airflow.
For non-standard configurations the ems can be onset 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 '/z inch offset. if necessary. When selecting a configuration, consider all cable routing
carefully. The unit diould be positioned to allow adequate clearance for all cables between the unit and
strrounding ecpipmmt. 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 tumed off then connect the RF output cable to the PA. Next connect the control cable to P103
on the T/R Shelf Interface Board located on top of the Mt Shelf.
m Once the PA is mounted it will be difficult to acees the RF output connection. Ensure
this critical connectim is secure prior to mounting the PA.
NOTE
Ensure the power simply output voltage matd'ies the rating of the Power Amplifier
(2640 VDC, 12A for 100 Watt UHF PA) before applying power to the unit
CAUTION
Connect the DC power cable to the station power supply. normally mounted just below the T/R Shelf.
Ensrre 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,
..

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