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Mod-05DIGITAL   TECHNIQUES 

Sub-Module 01 - Electronic Instrument Systems [Level-1, Exam B1 ,No. of Questions-4]
Typical systems arrangements and cockpit layout of electronic instrument systems

 


Sub-Module 02 - Numbering Systems                           [Level-1, Exam B1 ,No. of Questions-3]
Numbering systems: binary, octal and hexadecimal; Demonstration of conversions

between the decimal and binary, octal and hexadecimal systems and vice versa.


Sub-Module 03 - Data Conversion                                     [Level-1, Exam B1 ,No. of Questions-3]
Analog Data, Digital Data; Operation and application of analog to digital, and digital

to analogue converters, inputs and outputs, limitations of various types.


Sub-Module 04 - Data Buses                                                [Level-2, Exam B1 ,No. of Questions-3]
Operation of data buses in aircraft systems, including knowledge of ARINC and other

specifications.Aircraft Network / Ethernet.


Sub-Module 05 - Logic Circuits                                           [Level-2, Exam B1 ,No. of Questions-3]
(a) Identification of common logic gate symbols, tables and equivalent circuits; Applications used for aircraft systems,

schematic diagrams.


(b) Interpretation of logic diagrams.


Sub-Module 06 - Basic Computer Structure                 [Level-2, Exam B1 ,No. of Questions-4]
(a) Computer terminology (including bit, byte, software, hardware, CPU, IC, and various memory devices such as RAM, ROM, PROM); Computer technology (as applied in aircraft systems).

(b) Computer related terminology;                                     [Level-X, Exam B1 X, No. of Questions-NIL]
Operation, layout and interface of the major components in a micro computer including their associated bus systems;
Information contained in single and multiaddress instruction words; Memory associated terms; Operation of typical memory devices; Operation, advantages and disadvantages of the various data storage systems.


 

 

Sub-Module 07 - Microprocessors                                     [Level-X, Exam B1 X, No. of Questions-NIL]
Functions performed and overall operation of a microprocessor; Basic operation of each of the following microprocessor elements: control and processing unit, clock, register, arithmetic logic unit.


Sub-Module 08 - Integrated Circuits                                [Level-X, Exam B1 X, No. of Questions-NIL]
Operation and use of encoders and decoders; Function of encoder types; Uses of medium, large and very large scale integration.


Sub-Module 09 - Multiplexing                                               [Level-X, Exam B1 X, No. of Questions-NIL]
Operation, application and identification in logic diagrams of multiplexers and demultiplexers.


Sub-Module 10 - Fiber Optics                                                [Level-1, Exam B1 ,No. of Questions-2]
Advantages and disadvantages of fiber optic data transmission over electrical wire propagation; Fiber optic data bus;
Fiber optic related terms; Terminations; Couplers, control terminals, remote terminals; Application of fiber optics in aircraft systems.


Sub-Module 11 - Electronic Displays                                  [Level-2, Exam B1 ,No. of Questions-3]
Principles of operation of common types of displays used in modern aircraft, including Cathode Ray Tubes, Light
Emitting Diodes and Liquid Crystal Display.


Sub-Module 12 - Electrostatic Sensitive Devices        [Level-2, Exam B1 ,No. of Questions-4]
Special handling of components sensitive to electrostatic discharges; Awareness of risks and possible damage, component and personnel anti-static protection devices.


Sub-Module 13 - Software Management Control         [Level-2, Exam B1 ,No. of Questions-3]    
Awareness of restrictions, airworthiness requirements and possible catastrophic effects of unapproved changes to software programmes.

Sub-Module 14 - Electromagnetic Environment             [Level-2, Exam B1 ,No. of Questions-3]
Influence of the following phenomena on maintenance practices for electronic system: EMC-Electromagnetic Compatibility  ,EMI-Electromagnetic Interference, HIRF-High Intensity Radiated Field, Lightning/lightning protection

Sub-Module 15 - Typical Electronic/Digital Aircraft Systems  [Level-1, Exam B1 ,No. of Questions-5]
General arrangement of typical electronic/digital aircraft systems and associated   [ B1--Total No. of Questions-40]
BITE (Built In Test Equipment) such as:

For B1 and B2 only:
ACARS-Aircraft Communication and Addressing and
Reporting System
EICAS-Engine Indication and Crew Alerting System
FBW-Fly by Wire
FMS-Flight Management System
IRS-Inertial Reference System
For B1, B2 and B3:
ECAM-Electronic Centralised Aircraft Monitoring
EFIS-Electronic Flight Instrument System
GPS-Global Positioning System
TCAS-Traffic Alert Collision Avoidance System
Integrated Modular Avionics
Cabin Systems
Information Systems

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