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برق & کامپیوتر - فرهنگ اختصارات الکترونیک

فرهنگ اختصارات الکترونیک

 

نوشته شده توسط:majid dadashvand

(amp)- Ampere

AC/DC-Alternating current or direct current

ADC -Analog-to-digital converter

AF-Audio frequency

AFC -Automatic flow controller, used in controlling the flow of gasses under pressure into a vacuum system

AFC -Automatic frequency control

AFT -Automatic fine tuning

AGC-Automatic gain control

Ah -Ampere hour

Ai -Current gain

c -Centi (10-2)

AM/FM -Amplitude modulation or Frequency modulation

AMM -Analog multimeter

AM-Amplitude modulation

antilog – Antilogarithm

Ap -Power gain

Apc-Automatic phase control

Av -Voltage gain

AVC -Automatic volume control

AWG -American wire gauge

AC- Alternating current

A/D-Analog to digital

bfo -Beat frequency oscillator

BJT -Bipolar junction transistor

BW-Bandwidth

d- Deci (10-1)

C -Capacitance or capacitor

CAD -Computer aided design

CAM -Computer aided manufacture

CATV -Cable TV

CB -Common base configuration

CB- Citizen's band

CC -Common collector

CE-Common emitter

cm –Centimeter

cmil -Circular mil

CPU- Central processing unit

C (Q)-Coulomb

CR cr -Junction diode

CRO- Cathode ray Oscilloscope

CRT -Cathode ray tube

CT -Total capacitance

cw -Continuous transmission

E DC- or Erms Difference in potential

D/A or D-A-Digital to analog

DC-Direct current

DIP-Dual in-line package

DMM -Digital multimeter

DPDT -Double pole double throw

DTL-Diode transistor logic

DVM-Digital voltmeter
 – Frequency

FET-Field effect transistor

e -Instantaneous difference in potential

ECG- Electrocardiogram

ECL -Emitter coupled logic

EHF- Extremely high frequency

EHV- Extra high voltage

ELF- Extremely low frequency

EMF-Electromotive force

EMI-Electromagnetic interference

EW- Electronic warfare

FF-Flip Flop

fil –Filament

FM- Frequncy modulation 

fr -Frequency at resonance

fsk -frequency-shift keying 

FSD- Full scale deflection

H- Henry

H- Magnetic field intensity

H -Magnetizing flux

h- hecto (102 )

h -Hybrid

HF- High frequency

hp -Horsepower

Hz -Hertz

I -Current

i -Instantaneous current

IB -DC Base current

IC -DC Collector current

IC- Integrated circuit

Ie- Total emitter current

Ieff- Effective current

IF- Intermediate frequency

Imax -Maximum current

Imin -Minimum current

I/O- Input/output

IR- Infrared

IR- Resistor current

IS -Secondary current

IT -Total current

K- Coefficient of coupling

k- Kilo (103 )

kHz- Kilohertz

kV- Kilovolt

kVA- Kilovoltampere

kW- Kilowatt

kWh-Kilowatt-hour

M-Mega (106 )

M -Mutual conductance

MI -Mutual inductance

m- Milli (10-3 )

mA-Milliampere

mag- Magnetron

max –Maximum

MF- Medium frequency

MH- Millihenry

G- Gravitational force

G -Conductance

G- Giga (109 )

JFET-Junction field effedt transistor

L- Coil, inductance

LC- Inductance-capacitance

LCD- Liquid crystal display

L-C-R -Inductance-capacitance-resistance

LDR- Light-dependent resistor

LED- Light emitting diode

LF- Low frequency

LM- Mutual inductance

LNA- Low noise amplifier

LO -Local oscillator

LSI- Large scale integration

LT -Total inductance

N -Number of turns in an inductor

N-Revolutions per minute

n-Nano (10-9)

N- Negative

NA- Nanoampere

NC- Normally closed

NCNo- connection

NEG, neg –Negative

NF-Nanofarad

nH -Nanohenry

nm- Nanometer

NO-Normally open

NPN- Negative-positive-negative

Ns- Nanosecond

NW- Nanowatt

MHz -Megahertz

min –Minimum

mm- Millimeter

mmf -Magnetomotive force

mW- Milliwatt

MOS -Metal oxide semiconductor

MOSFET -Metal oxide semiconductor field effect transistor

MPU- Microprocessor unit

MSI- Medium scale integrated circuit

mV –Millivolt

P- Pico (10-12)

P- Power

p- Instantaneous power

P- Positive, also peak

PA- Public address or power amplifier

PA- Picoampere

PAL- Programmable Array Logic

UJT-Unijunction transistor

UV-Ultraviolet

V- Vacuum tube

V, v-Volt

v- Instantaneous voltage

VA- Volt ampere

Vav-Voltage (average value)

VBE-DC voltage base to emitter

Vc-Capacitive voltage

VCE-DC voltage collector to emitter

VCO-Voltage controlled oscillator 

VHF-Very high frequency

VIn -Input voltage

VL- Inductive voltage

VLF- Very low frequency

Vm, Vmax -Maximum voltage

VOM-Volt ohm milliameter

 Vout -Output voltage

Vp -Primary voltage

VS-Source voltage

VSWR-Voltage standing wave ratio

VT-Total voltage

OP AMP- Operational amplifier

R-Potentiometer

R- Resistance

RAM- Random access memory

RC- Resistance-capacitance, also Radio controlled

Rcvr-Receiver

Rect- Rectifier

Ref- Reference

Rf- Radio frequencies

RF-Radio frequencies

RFI-Radio frequency interference

RL-Load resistor

RLC- Resistance-capacitance-inductance

RMS, rms- Root mean square

ROM-Read only memory

Rpm- Revolutions per minute

T- Tera (1012)

T -Torque

T -Transformer

t- Time in seconds

TC- Time constant, also temperature coefficient

TE-Transverse  electric

Temp-Temperature

PAM, pam- Pulse amplitude modulation

Pap-Apparent power

Pav-Average power

PCB- Printed circuit board

PCM, pcm-Pulse-code modulation

PDM-Pulse-duration modulation

PF-Picofarad

PLD-Programmable Logic Device

PLL-Phase locked loop

PM- Phase modulation, also Permanent magnet

PNP-Positive-negative-positive

POT, pot-Potentiometer

P-P-Peak to peak

PPM-- Pulse-position modulation

PRF-Pulse repetition frequency

PRT-Pulse repetition time

Pw- Pulse width

PWM, pwm- Pulse width modulation

Q-Charge, also quality

q-Instantaneous charge

SCR-Silicon controlled rectifier

SHF-Super high frequency

SIP-Single in-line package

SNR-Signal-to-noise ratio

SPDT-Single pole double throw

sq cm- Square centimeter

SSB- Single sideband

SW-Short wave

SWR-Standing-wave ratio

SYNC, sync-Synchronous

UHF- Ultra high frequency

UHV-Ultra high voltage

THz-Terahertz

TM-Transverse magnetic

TR-Transmit-receive

TTL-Transistor-transistor logic

TWT-Travelling wave tube

TV - Television

W –Watt

XC -Capacitive reactance

XL -Inductive reactance

Y -Admittance

Z –Impedance

Zin -Input impedance

Zo -Output impedance

Zp -Primary impedance

Zs -Secondary impedance

ZT -Total impedance

B -Flux density

BCD -Binary coded decimal