Module-05 Digital Techniques | Amepreparation Com

Module-05

DIGITAL TECHNIQUES

ELECTRONIC INSTRUMENTS [ B1--Total No. of Questions-40]

Sub-Module 01 - Electronic Instrument Systems
Typical systems arrangements and cockpit layout of electronic instrument systems

Sub-Module 02 - Numbering Systems
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
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
(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
(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;
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
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
Operation and use of encoders and decoders; Function of encoder types; Uses of medium, large and very large scale integration.

Sub-Module 09 - Multiplexing
Operation, application and identification in logic diagrams of multiplexers and demultiplexers.

Sub-Module 10 - Fiber Optics
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
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
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
Awareness of restrictions, airworthiness requirements and possible catastrophic effects of unapproved changes to software programmes.

Sub-Module 14 - Electromagnetic Environment
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

General arrangement of typical electronic/digital aircraft systems and associated
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