|
|
|
Last Updated:
Friday August 13, 2010 |
|
|
|
| |
-
A (amp)
- Ampere
-
AC
- Alternating current
-
AC/DC
- Alternating current or direct current
-
A/D
- Analog to digital
-
ADC
- Analog-to-digital converter
-
AF
- Audio frequency
-
AFT
- Automatic fine tuning
-
AFC
- Automatic frequency control
-
AFC
- Automatic flow controller, used in
controlling the flow of gasses under
pressure into a vacuum system
-
AGC
- Automatic gain control
-
Ah
- Ampere hour
-
Ai
- Current gain
-
AM
- Amplitude modulation
-
AM/FM
- Amplitude modulation or Frequency
modulation
-
AMM
- Analog multimeter
-
antilog
- Antilogarithm
-
Ap
- Power gain
-
apc
- Automatic phase control
-
Av
- Voltage gain
-
AVC
- Automatic volume control
-
AWG
- American wire gauge
-
B
- Flux density
-
BCD
- Binary coded decimal
-
bfo
- Beat frequency oscillator
-
BJT
- Bipolar junction transistor
-
BW
- Bandwidth
-
c
- Centi (10-2)
-
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
-
d
- Deci (10-1)
-
D/A or D-A
- Digital to analog
-
DC
- Direct current
-
Di or Di
- Change in current
-
DIP
- Dual in-line package
-
DMM
- Digital multimeter
-
DPDT
- Double pole double throw
-
Dt or Dt
- Change in time
-
DTL
- Diode transistor logic
-
Dv or Dv
- Change in voltage
-
DVM
- Digital voltmeter
-
E DC or Erms
- Difference in potential
-
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
- f
- Frequency
- FET
- Field effect transistor
- FF
- Flip Flop
- fil
- Filament
- FM
- Frequncy modulation
- fr
- Frequency at resonance
- fsk
- frequency-shift keying
- FSD
- Full scale deflection
- G
- Gravitational force
- G
- Conductance
- G
- Giga (109 )
- 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
- JFET
- Junction field effedt transistor
- K
- Coefficient of coupling
- k
- Kilo (103 )
- kHz
- Kilohertz
- kV
- Kilovolt
- kVA
- Kilovoltampere
- kW
- Kilowatt
- kWh
- Kilowatt-hour
- 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
- M
- Mega (106 )
- M
- Mutual conductance
- MI
- Mutual inductance
- m
- Milli (10-3 )
- mA
- Milliampere
- mag
- Magnetron
- max
- Maximum
- MF
- Medium frequency
- mH
- Millihenry
- MHz
- Megahertz
- min
- Minimum
- mm
- Millimeter
- mmf
- Magnetomotive force
- MOS
- Metal oxide semiconductor
- MOSFET
- Metal oxide semiconductor field effect
transistor
- MPU
- Microprocessor unit
- MSI
- Medium scale integrated circuit
- mV
- Millivolt
- mW
- Milliwatt
N
- Number of turns in an inductor
N
- Revolutions per minute
n
- Nano (10-9)
N
- Negative
-
-
nA
- Nanoampere
-
NC
- Normally closed
-
NC
- No connection
-
NEG, neg
- Negative
-
nF
- Nanofarad
-
nH
- Nanohenry
-
nm
- Nanometer
-
NO
- Normally open
-
NPN
- Negative-positive-negative
-
ns
- Nanosecond
-
nW
- Nanowatt
-
OP AMP
- Operational amplifier
-
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
-
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
-
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
-
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
-
T
- Tera (1012)
-
T
- Torque
-
T
- Transformer
-
t
- Time in seconds
-
TC
- Time constant, also temperature
coefficient
-
TE
- Transverse electric
-
temp
- Temperature
-
THz
- Terahertz
-
TM
- Transverse magnetic
-
TR
- Transmit-receive
-
TTL
- Transistor-transistor logic
-
TV
- Television
-
TWT
- Travelling wave tube
-
UHF
- Ultra high frequency
-
UHV
- Ultra high voltage
-
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
-
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
|
|
|
|
|
|
|
|
|
|
