Topic Catalog

Topics beginning with "D"
D/A Transform digital signals to analog.
DAC Transform digital signals to analog.
D/A Converters Transform digital signals to analog.
Dairy
DAQ Senses the physical, represented as an analog signal, that is then converted to digital data.
DAQ Software Data acquisition software is designed to record, store, present and analyze data collected from sensors and other digital devices. (globalspec.com)
DAQ Systems Sense, log and store information.
Data elemental component of knowledge able to be processed.
Data Acquisition senses the physical, represented as an analog signal, that is then converted to digital data.
Data Acquisition Software Data acquisition software is designed to record, store, present and analyze data collected from sensors and other digital devices. (globalspec.com)
Data Acquisition Systems sense, log and store information.
Data Analysis Data Analysis Software is used to sort through data in order to identify patterns and establish relationships.
Data Analyzers
Databus Avionics Databus
Databus Analyzers Diagnostic tools used to troubleshoot databuses in real-time.
DataCom The transmission of information.
Datacomm The transmission of information.
Data Communications The transmission of information.
Data Generators Create and output test data.
Data Pattern Produce data patterns for the assurance of logic circuits and digital semiconductors.
Data Recorders Collect and store data at high rates.
Data Test Sets
Daylight Light from the sun.
DC Direct Current
DC AC Inverters Provide AC output from a DC source.
DC Current Sources
DC/DC Converters Takes DC input and then provides regulated and/or isolated DC output.
DC Electronic Loads The current that results from resistive elements of the load on an output.
DC Hipot
DC Power Supplies Convert and provide Direct Current (DC) power to a device or group of devices.
DC Shunts A resistor which delivers a millivolt of DC output in proportion to the current flowing through the resistor.
DC Sources A highly repeatable and stable DC voltage and current source.
DDR Double Data Rate memory achieved by reading both the rising and falling edge of clock.
DDR4 Double Data Rate 4 Synchronous Dynamic Random-Access Memory, DDR4 SDRAM
DDS Function Generators Direct Digital Synthesis Function Generator
Debuggers find the source of a bug.
Decoders Make intelligible by descrambling or converting to orginal form coded signals.
Decoder Test Check model rail DCC and sound decoders.
DECT Digital Enhanced Cordless Telecommunications
Defib Electrically stimulate the heart returning it to normal rhythm.
Defibrillator Electrically stimulate the heart returning it to normal rhythm.
Deflectometers
Delay Generators The purpose of a digital delay generator is to produce a precise time delay of programmable length. (www.highlandtechnology.com)
Demodulators a device which extracts an arbitrarily varying information carrying signal from a signal formed by varying a characteristic of a repetitious electrical or electromagnetic wave of less than infrared frequency in accordance with this information carrying signal.
Dense Wavelength Division Multiplexing Dense Wavelength Division Multiplexing
Density measure of a space to it's matters.
Depot Level Test faults diagnosis down to nth degree for repair analysis and recovery.
Design For Test test facilitated in a product's design.
Design Verification Examination of design requirement fulfillment.
Destructive testing destroys or deforms an item under test to discover failure.
Detectors register the presence of a stimuli.
DeviceNet A communication network for industrial controllers and i/o devices.
Device Programmers Program non-volatile memories, logic devices, microprocessors and other electrically-programmable devices.
Device Under Test a specific purpose component or module check; ex. substantial component of a PCB.
DevOps operations responsible for software advantaging IT.
DFT test integrated in a product's design.
DG The purpose of a digital delay generator is to produce a precise time delay of programmable length. (www.highlandtechnology.com)
DHCP Dynamic Host Configuration Protocol
Diagnostics Test routines run to determine errors.
Dielectric Strength Testers check insulation to assure current does not flow through it.
Dielectric Test Check of a materials ability to prevent or reduce transmission.
Dielectric Withstand Testers check insulation to assure current does not flow through it.
Differential Amplifiers Increase the voltage of multiple input signals to proportionate outputs.
Differential Pressure pressure measurement relative to the surrounding atmospheric pressure.
Differential Probes Measure signals that are not ground referenced.
Digital A signal of discrete values as opposed to a spectra of values.
Digital Attenuators
Digital Fault Recorders record out of limit electrical power system events.
Digital IC Testers diagnose a chip's viability.
Digital Input-Output Input/output of digital values.
Digital I/O Input/output of digital values.
Digital Multimedia Broadcasting Digital Multimedia Broadcasting
Digital Multimeters digital display multi function measurement instrument.
Digital Power Meters Measure the optical, microwave or electrical amounts of energy.
Digital Signal Processor A microprocessor specifically intended for digital signal processing applications, generally in real-time.
Digital Storage Oscilloscopes Analyze the waveform of electronic signals, converting the signal to digital information.
Digital to Analog Converters Transform digital signals to analog.
Digital TV Telecommunications system where transient image and sound are broadcast and received through the use of digital signal.
Digital Voltmeters Measure voltage, displaying the measurements in numeric value on a digital display.
Digitizers Convert one value of an analog signal at a particular interval of time into a digital representation.
DIMM Dual In-line Memory Module.
DIO Input/output of digital values.
Diode Testers
Dipole Antennas A bilaterally symmetrical straight antenna fed from the center whose length is equal to one-half of the wavelenght of the operating frequency.
Direct Current Direct Current
Directional Antennas Transmit a focused narrow width radio wave.
Directional Couplers join signal flowing one in one direction to another circuit.
Discovery
Discrete Component Testers check connected individual semiconductor components.
Discrete Device Test Systems check connected individual semiconductor components.
Discrete Semiconductor Testers check connected individual semiconductor components.
Discriminators determine the precise timing of pulse transmission and reception to determine range.
DiSEqC Digital Satellite Equipment Control
Dish Receive satellite TV signals.
Dish Antenna Receive satellite TV signals.
Disk Drive Store data on magnetic surface plattens.
Display illuminates image signaling.
Display Calibration reference a test pattern to adjust by.
Display Calibrators reference a test pattern to adjust by.
Dissipation Factor test's dielectric loss to determine quality of insulator.
Distance Measurers Measure the linear space between two points.
Distance Meters Measure the linear space between two points.
Distortion
Distortion Meters measures an added circuit's distortion to the original signal.
Disturbance Recorders Log events and disturbances.
D-Level Test diagnosis faults down to the component level.
DMB Digital Multimedia Broadcasting
DMFC Direct Methanol Fuel Cell
DMM Electronic measurement instruments that combine multiple functions in a single unit and output information through a digital display, in a numeric value.
DMX unidirectional COMM protocol used for stage lighting and effects.
DMX-512 unidirectional COMM protocol used for stage lighting and effects.
DoS 1) To take a service offline. 2) Disk Operating System.
Dosemeters measure exposure to harmful radiations.
Dosimeters measure exposure to harmful radiations.
Downconverters Change a higher frequency signal to a lower frequency.
Down Converters Change a higher frequency signal to a lower frequency.
DR Collect and store data at high rates.
Drivers translate general instructions into hardware specfic commands.
Drug elixir potioning desired outcomes.
DS1 A phone line connection with data rates of 1.544Mbits per second over 24 channels running at 64Kbs.
DS3 672 channels running at 64 Kbps and multiplexed to 43 Mbps
DSL A method of digitally transmitting data over twisted pair telephone lines, providing Internet access at rates far faster than traditional dial-up.
DSLAM Combines and routes DSL traffic.
DSL Test
DSP A microprocessor specifically intended for digital signal processing applications, generally in real-time.
DTMF Dual-Tone Multi-Frequency signaling.
DTV Telecommunications system where transient image and sound are broadcast and received through the use of digital signal.
DUT Device Under Test
DVB Digital Video Broadcasting
DVB Analyzers
DVB-H Digital Video Broadcasting - Handheld
DVB-T Digital Video Broadcasting – Terrestrial.
DVB-T/H Digital Video Broadcasting - Handheld
DVD Optical disc data storage medium, typically 12 centimeters in diameter, with a capacity of 4.7 Gigabytes.
DVM Measure voltage, displaying the measurements in numeric value on a digital display.
DVOM Electronic measurement instruments that combine multiple functions in a single unit and output information through a digital display, in a numeric value.
DWDM Dense Wavelength Division Multiplexing
Dynamic Light Scattering measures small particle characteristics and their distribution.
Dynamic Signal digital processing FFT to reveal properties of a signal.
Dynamometers measure an electric motor's speed, torque and power.
Dynos measure an electric motor's speed, torque and power.