Us Army Electronics Course - Radar Transmitters.pdf

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SUBCOURSE
MM5005
EDITION
8
U.S. ARMY AVIATION CENTER
RADAR TRANSMITTER
THIS SUBCOURSE HAS BEEN REVIEWED FOR OPERATIONS SECURITY
.
US ARMY AIR TRAFFIC CONTROL SYSTEMS/SUBSYSTEMS EQUIPMENT REPAIR
MOS 93D SKILL LEVELS 1 AND 2
PLEASE NOTE
Proponency for this subcourse has changed
from Aviation (AV) to Missile & Munitions (MM).
RADAR TRANSMITTERS
(Development Date: 1 November 1987)
SUBCOURSE NUMBER: AV 5005
US ARMY AVIATION CENTER
FORT RUCKER, ALABAMA 36362­5000
10 CREDIT HOURS
GENERAL
The   Radar   Transmitters   subcourse   is   part   of   the   Air   Traffic   Control
System/Subsystems   Equipment   Repair   Course,   MOS   93D.     This   subcourse   is
designed   to   teach   the   knowledge   and   skills   necessary   to   troubleshoot   and
repair   radar   transmitters.     This   subcourse   is   presented   in   four   lessons
consisting  of  14  learning  events, each lesson corresponding to  a   terminal
objective as indicated below.
Lesson 1
TRANSMISSION LINES
TASK
Identify   transmission   lines   used   with   radar   systems,   describe   the
composition   and   electrical   characteristics   of   real   transmission   lines   on
schematic   diagrams,   and   determine   time   delays   in   artificial   transmission
lines.
CONDITIONS
(Performance­Oriented) Given this subcourse, pencil, and paper.
i
Whenever   pronouns   or   other   references   denoting   gender   appear   in   this
document,   they   are   written   to   refer   to   either   male   or   female   unless
otherwise indicated.
STANDARD
(Performance­Oriented) Demonstrated competency of task skills and knowledge
by correctly responding to 75 percent of the multiple­choice test covering
radar transmitters.
(This   objective   supports   SM   Task   Numbers   011­151­0003,   Repair   Radar   Set
AN/TPN­18;  011­151­0104,  Repair Radar Set AN/TPN­18A; 011­151­0128,  Repair
Interrogator Set AN/TPX­44; 011­151­4002, Repair Radar Set  AN/FPN­40; 011­
151­4049, Repair Interrogator Set AN/TPX­41.)
Lesson 2
HIGH­LEVEL MODULATION
TASK
Describe the functions performed by the components in a high­level modulator
circuit,  differentiate  between conventional and  hydrogen  thyratron  circuit
operations,  determine the width and amplitude of the pulse applied to the
magnetron   in   a   high­level   modulator   circuit,   and   differentiate   between
conventional transformers and pulse transformers.
CONDITION
(Performance­Oriented) Given this subcourse, pencil, and paper.
STANDARD
(Performance­Oriented)  Demonstrate competency of   task  skills and knowledge
by correctly responding to 75 percent of the multiple­choice test covering
radar transmitters.
(This   objective   supports   SM   Task   Numbers   011­151­0003,   Repair   Radar   Set
AN/TPN­18;  011­151­0104,  Repair Radar Set AN/TPN­18A; 011­151­0128,  Repair
Interrogator Set AN/TPX­44; 011­151­4002, Repair Radar Set  AN/FPN­40; 011­
151­4049, Repair Interrogator Set AN/TPX­41.)
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Lesson 3
RESONANT CAVITIES AND MAGNETRONS
TASK
Describe resonant cavities and magnetron operations, recognize coupling and
tuning techniques employed with resonant cavities and  magnetrons, identify
different types of magnetrons and describe their modes of operation.
CONDITION
(Performance­Oriented) Given this subcourse, pencil, and paper.
STANDARD
(Performance­Oriented)  Demonstrate competency of   task  skills and knowledge
by correctly responding to 75 percent of the multiple­choice test covering
radar transmitters.
(This   objective   supports   SM   Task   Numbers   011­151­0003,   Repair   Radar   Set
AN/TPN­18;  011­151­0104,  Repair Radar Set AN/TPN­18A; 011­151­0128,  Repair
Interrogator Set AN/TPX­44; 011­151­4002, Repair Radar Set  AN/FPN­40; 011­
151­4049, Repair Interrogator Set AN/TPX­41.)
Lesson 4
ANTENNAS AND WAVEGUIDES
TASK
Describe   how   RF   energy   is   transferred   through   waveguides,   recognize   the
various waveguide tuning and coupling devices, identify the various antennas
and  reflectors  used  in radar systems, and differentiate  between  front  and
rear antenna feed systems.
CONDITION
(Performance­Oriented) Given this subcourse, pencil, and paper.
STANDARD
(Performance­Oriented) Demonstrated competency of task skills and knowledge
by correctly responding to 75 percent of the multiple­choice test covering
radar transmitters.
(This   objective   supports   SM   Task   Numbers   011­151­0003,   Repair   Radar   Set
AN/TPN­18;  011­151­0104,  Repair Radar Set AN/TPN­18A; 011­151­0128,  Repair
Interrogator Set AN/TPX­44; 011­151­4002, Repair Radar Set  AN/FPN­40; 011­
151­4049, Repair Interrogator Set AN/TPX­41.)
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STANDARD
(Performance­Oriented) Demonstrated competency of task skills and knowledge
by correctly responding to 75 percent of the multiple­choice test covering
radar transmitters.
(This   objective   supports   SM   Task   Numbers   011­151­0003,   Repair   Radar   Set
AN/TPN­18); 011­151­0104, Repair Radar Set AN/TPN­18A; 011­1851­0128, Repair
Interrogator Set AN/TPX­44; 011­151­4002, Repair Radar Set  AN/FPN­40; 011­
151­4049, Repair Interrogator Set AN/TPX­41.)
*** IMPORTANT NOTICE ***
THE PASSING SCORE FOR ALL ACCP MATERIAL IS NOW 70%.
PLEASE DISREGARD ALL REFERENCES TO THE 75% REQUIREMENT.
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