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Electronic Definitions (I)

[I] Presenting a list of electronic terms starting with letter i that are available for more detailed lookup for their definitions or abbreviation explanation. All terms are listed in alphabetical order for easy browsing.

 

Electronic Acronyms and Terms for [I] Description Other Electronic Terms Somewhat Related;

I/O

"Input/Output"

i/o device

I/O Device

"Input/Output" Device
- Is a peripheral unit which can be used both as an input device as an output
device or both
 

IAD

"Integrated Access Device"  

IAP

"In Application Programmable"  

IAS

"Immediate Acess Storage"  

IBM Compatible

- Originally meant any PC compatible with DOS. Now tends to mean any PC with an Intel or compatible processor capable of running DOS or Windows  

IC

"Integrated Circuit"

icao, icons, ict

ICAO

"International Civil Aviation Organisation"  

Icons

- They are symbols displayed on the screen as a method of offering a menu

wimps

ICT

"In Circuit Testing"
"Integrated Circuit Technology" "Intelligent Call Transfer"
"Interface Certification Test"
"Individual & Collective Training"
 

IDC Cross Connector

- Bisley/2/Electronics
- Holt Large Bottom Drawer
 

IDD

"International Direct Dialling"  

IDE

"Integrated Drive Electronics"
- Acontrol system designed to allow computer and device to communicate

ideal approximation, ideal diode, ideal transistor, identifier

Ideal Approximation

- The simplest equivalent circuit of a device. It includes only a few basic features of the device and ignores many others of less importance  

Ideal Diode

- The first approximation of a diode. The viewpoint is to visualize the diode as an intelligent switch that closes when forward biased and open when reverse-biased

ideal diode

Ideal Transistor

- The first approximation of a transistor. It assumes a transistor has only two parts: an emitter diode and a collector diode.  

Identifier

- Is a name or label chosen by the programmer

dummy variable, key, reserved word, variable

IDN

"Integrated Digital Network"  

IDSL

"ISDN Digital Subscriber Line"  

IEC

"International Electrotechnical Commission"  

IEEE

"Institute of Electrical and Electronic Engineers"

ieee bus

IEEE Bus

- Is one that conforms to standards defined by the Institute of Electrical and Electronic Engineers (USA)  

IETF

"Internet Engineering Task Force"  

IF

"Intermediate Frequency"

ifft, ifrb

IFFT

"Inverse Fast Fourier Transform"  

IFRB

"International Frequency Registration Board"  

IGBT

"Insulated Gate Bipolar Transistor"  

IHP

- Innovations for High Performance Electronics  

IIR

"Infinite Impulse Response"  

IMD

"InterModulation Distortion"  

Immediate Addressing

- Is where the address field itself is used to hold the data that is needed for the operation  

Immediate Mode

- Is the use for immediate execution of a program language statement outside a program  

Impedance

- The sum of resistance and reactive components in an ac circuit representing the total resistance in that circuit. Capacitors and inductors have varying impedances at different frequencies. Measured in ohms.

closed loop quantity, instrumentation amplifier, output impedance

IMSI

"International Mobiie Subscribers Identity"  

IMT

"International Mobile Telecommunications"

imt2000, imtds, imtft, imtmc, imtsc, imttc

IMT-2000

- International Mobile Telecommunications for the year 2000

3gpp, fplmts, itu

IMT-DS

- Frequency division version of UMTS  

IMT-FT

- The DECT cordless standard  

IMT-MC

- CDMA2000, narrowband CDMA for the USA. 3X CDMA 2000 using three 1.25MHZ channels.  

IMT-SC

- The successor to IS-136 mobile standard  

IMT-TC

- Time division duplex version of UMTS and time division SCDMA (TD-SCDMA)  

In Circuit Test

- The active test of each device on the assembled circuit substrate through probe contact by a test fixture  

Inclined Orbit

- An orbit which is offset from the equatorial plane. Expressed in temis of degrees from the equatorial plane.  

Incremental Plotter

- Is a graph plotter that receives (as input) data specifying increments to its current position rather than data specifying coordinates  

Indexed Addressing

- Is where the (direct or indirect) address is further modified by the addition of a
number held in a special purpose register called an index register
 

Indexed Sequential Access

- Is the process of storing or retrieving data directly but only after reading an index to locate the address of that item  

Induction Heating

- Heating transferred by blower or fan  

Infinite Loop

- Is a loop from which there is no exit other than by terminating the program  

Infix

- Is a form of algebraic notation in which the operators are 1 d operands  

Information

- Is the meaning given to data by the way in which it is interpreted  

Infrared

- Frequency of light spectrum used to locally generate energy or heat to re-flow or liquefy solder paste alloy

irda, spymaster, surveillance

Initial Slope of Sine Wave

- The earliest part of a sine wave is a straight line. The slope of this line is the initial slope of the sine wave. This slope depends on the frequency and peak value of the sine wave.  

INMARSAT

"INternational MARitime SATellite" Organisation  

Input Bias Current

- The average of the two input currents to a cliff amp or an op amp  

Input Device

- Is a peripheral unit that can accept data presented in the appropriate machine readable form decode it and transmit it as electrical pulses to the central processing unit.  

Input Offset Current

- The difference of the two input currents to a cliff amp or an op amp  

Input Offset Voltage

- The input offset voltage is defined as the input voltage needed to eliminate the output offset voltage. The cause of input offset voltage is the difference in the Vbe curves of the two input transistors.  

- Instruction Decoder

- Is the part of the central processor that decodes machine code instructions during the instruction cycle.  

Instruction Set

- Is the complete collection of instructions available for use in a particular machine code or assembly language

brisc, cisc, micro code, risc

Instrumentation Amplifier

- This is a differential amplifier with high input impedance and high CMRR. You find this type of amplifier as the input stage of measuring instruments like oscilloscopes.  

Intapnet

- An OSI network demonstration facility established by the Interoperability Technology Association for Information Processing Japan  

Integer

- Is any (positive negative or zero) whole number

floating point notation

Integrated Circuit

- Is a solid state microcircuit consisting of interconnected semiconductor devices diffused into a single silicon chip

c pack, hardwired logic, monolithic ic, so

Integrator

- A circuit that performs the mathematical operation of integration. One popular application is generating ramps from rectangular pulses.  

Integrity

- Is the term used to describe the accuracy and correctness of data during and after processing. Data which has not been accidentally or maliciously corrupted is said to have integrity.

computer security, dump

Intelligent Terminal

- Is one where software within the terminal allows a certain amount of computing to be done without contact with a central computer  

Interblock Gap

- Is an area separating two recorded portions of data on backing store  

Interconnection

- The electrical interface of conductor circuits with electronic devices

ipc, osi, profiling, solder fillet, t1

Interface

- Is the hardware and associated software needed for communication between processors and peripheral devices to compensate for the difference in their operating characteristics

interface junction

Interface Junction

- Electrical and mechanical joining point  

Intermediate Code

- Is the code that is used in an additional stage in the translation process before compilation interpretation or assembly  

Internet

- Millions of computers interconnected in a global network  

Interpreter

- Is a program that translates and executes a source program one statement at a time

basic, re entrant program

Interrupt

- is a signal generated by a source such as an input or output device which causes a break in the execution of the current routine

flag, Relay, vectoring

Intrinsic

- Refers to a pure semiconductor

doping

Intuition

- Thinking processes that cannot be explained verbally because they occur in the nonverbal right brain  

Inverter

- A device that converts a dc input to a pulsed output suitable for filtering into a pure sinusoid

cmos inverter

Inverting Input

- The input to a cliff amp or an op amp that produces an inverted output

virtual ground

IOCA

"Interception Of Communications Act"  

IP

"Internet Protocol"
"Intellectual Property"

ipc, ipc sm782, ipcmos, ipo, ipv6, forum

IPC

- The Institute for Interconnection and Packaging of Electronic Circuits

ipc sm782, ipcmos

IPC SM782

- Land pattern standards for surface-mounted devices  

IPCMOS

"Interlocked Pipelined CMOS"  

IPO

"Initial Public Offering"  

IPv6 Forum

- An organisation promoting Internet access on 3G mobile networks  

IRD

"Integrated Receiver Decoder"
- A satellite receiver with a built in decoder

irda

IRDA

"Infra Red Data Association"
- The standard for exchanging data using infrared typically from PDAs or notebooks to a PC or printer

802.11

IS-136

- Enhanced IS-95  

IS-2000

- CDMA2000 air interface standard

A successor to standard TIA/EIA 95-B
 

IS-95

- Second generation narrowband CDMS system, used predominantly in the USA  

ISA

"Industry StarKJard Architecture"

bus

ISB

"Independent Side Band"  

ISD

"International Subscriber Dialling"

isdn

ISDN

- Is a set of communication standards allowing a single wire or optical fibre to carry voice, digital network services and video

cug, ispbx, nisdn

ISI

"InterSymbol Interference"  

ISO

"International Standards Organisation"

isolation

Isolation

- The measure of separation between two potentially interfering signals (In different bearns or on different polarisations)

optocoupler, recording telecomms

ISP

"In System Programming"

"Intemet Service Provider"
- ISPs provide access to the internet

ispbx, isppac

ISPBX

- Abbreviated form of ISDN PBX. A telephone switch which can cope with digital ISDN services.

Another definition of ISPBX:
"Integrated Services Private Branch eXchange"
 

ISPPAC

"In System Programmable Analogue Circuit"  

ISS

"Internet Security Systems"

isscc

ISSCC

"International Solid State Circuits Conference"  

IT

"Information Technology"

iteration, itu

Iteration

- Is a method of obtaining a result by repeatedly performing the same sequence of steps until a specified condition is satisfied  

ITU

"International Telecommunications Union"

3gpp, x25

 

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