Topic Catalog

Topics beginning with "P"
P25 Project 25 is a digital radio communications standard suited for public safety and first responders.
P.862 'Perceptual Evaluation of Speech Quality'
Pacemaker Optimize heart modes of pace.
Pacer Optimize heart modes of pace.
Packet parcel of data.
Packet Analyzers decodes each packet of a data stream to check adherence to spec.
Packet Capture parcel of data surrenders.
PAL An analogue television system standard used thoughout the world except the Americas and stands for Phase Alternating Line, Phase Alternation by Line or for Phase Alternation Line.
PAL Generators Produce a PAL tv signal.
Pam4 Pulse-Amplitude Modulation technique which uses four levels of voltage to represent logic 0 and 1.
Panel Meters Panel meters measure & display all types of processes and electrical variables. (globalspec.com)
Parallel Of two or more bits, circuits, processors or computers.
Parallel ATA Advanced Technology Attachment
Parallel Digital I/O Processes multiple bits or data paths simultaneously.
Parametric Test determine whether a DUT's electrical characteristics meet specification.
Parasitic Drain draw on battery when vehicle is off.
Parasitic Voltage draw on battery when vehicle is off.
Partial Discharge voltage discharge within an insulator causing dielectric breakdown.
Partial Discharge Detection indicate that localized dielectric breakdown within insulation has occured.
Partial Discharge Detectors indicate that localized dielectric breakdown within insulation has occured.
Partial Discharge Monitors
Particle Counters quantify the number of particles detected.
Particle Impact Noise Detection vibration, shock, and acoustics testing conducted to find particulate contamination.
Particle Impact Noise Detectors vibration, shock, and acoustics testing conducted to find particulate contamination.
Passive Optical Network Optical transmissions requiring no electrical power or active electronic parts.
PAT In-service Inspection & Testing of Electrical Equipment.
PATA Advanced Technology Attachment
Patchcords
Pattern Generators Produces volumes of a binary stream to test digital elements.
Payload cargo carried aloft.
PBGA A plastic IC package with an array of solder balls on it's bottom side for surface mounting.
PC Checking personal computers and using a pc as host to perform test.
PC 104 Hardware and software compatibile with PC bus in a very compact, stackable 3.16"x 3.8" modules.
PC/104 Hardware and software compatibile with PC bus in a very compact, stackable 3.16"x 3.8" modules.
PC/104-Plus Establishes a standard for the use of a high speed PCI bus in embedded applications.
PCAP network traffic packet capture.
PCB Adapters
PCB Inspection The check and evaulation of Printed Circuit Boards.
PCB Test The testing of printed circuit boards.
PCB Test Fixtures jigs which hold, align and engage pcb with test interconnect.
PC Card Personal Computer Memory Card International Association
PC Debug A test set to identify the condition of a PC.
PC Diagnostics A test set to identify the condition of a PC.
PCI The Peripheral Component Interconnect Bus is a standard for connecting peripherals to a PC.
PCI Analyzers
PCI Backplanes
PCI Carrier PCI card facilitating the integration of other bus type cards.
PCI DAQ Data Acquistion instruments configured to work in a PCI bus.
PCI Data Acquisition Data Acquistion instruments configured to work in a PCI bus.
PCI Digitizers
PCIe Serial architecture local bus with each lane running at 2.5 Gigabits/sec speeding communication between CPU and graphics controller.
PCI Express Serial architecture local bus with each lane running at 2.5 Gigabits/sec speeding communication between CPU and graphics controller.
PCI Express Analyzers
PCI Express Test
PCI extended an extended PCI bus with signaling speeds up to 4.3 gigabytes per second of bandwidth.
PCI Test
PCI-X an extended PCI bus with signaling speeds up to 4.3 gigabytes per second of bandwidth.
PCMCIA Personal Computer Memory Card International Association
PCMCIA Adapters Adapters that fit in the PCMCIA slot in notebook computers. Different adapters have different functions but they all add connectivity possibilities. (beststuff.co.uk)
PCMCIA Interfaces
PD voltage discharge within an insulator causing dielectric breakdown.
PD Detectors indicate that localized dielectric breakdown within insulation has occured.
PDH Plesiochronous Digital Hierarchy
PDL Maximum difference in loss of light propagation over all states of polarization.
PD Monitor
PD Test partial discharge testing.
Peak Power Meters Measure microwave pulses, characterizing and profiling them.
Pendulum Impact measurement test of a non-metallic material's ductility.
Penetrometers number of types measuring tenderness of food or stratigraphy penetration.
Pen Multimeters Multi function meter whose probe location and overall form resembles a pen.
Pentest
Perception
Permeability influence of material on magnetic flux, gases or liquids as they pass through.
Personal Computer Checking personal computers and using a pc as host to perform test.
PESQ 'Perceptual Evaluation of Speech Quality'
PG Produce single or multiple volatage pulses for device verification and fault detection.
PGA Pin Grid Array
Phantom Loads generate different current values based upon the current rating of the energy meter under test. 2) standby power of a device turned off.
Phase the difference between two features of a waveform, measured in any of multiple manners (distance, time, angle, wavelength, etc.)
Phase Angle Measure electrical phase angles or visualize stero sound.
Phase Angle Meters
Phase Angle Voltmeters degree measurement of difference current leads or lags voltage.
Phase Meters
Phase Noise Random variations of a signal's frequency.
Phase Noise Analyzers
Phase Rotation determine rotational direction.
Phase Sequence order of ac vice versa voltage / current cycle peaks in a polyphase system..
Phase Standards verify Phase Meters, Vector Voltmeters, Broadband Wattmeters and Power Analyzers, Resolvers and other Phase Sensitive Instruments.
Phasing
Phasing Sticks
Phasor Measurement Units synced remote wave monitors measuring ac current and voltage on a power grid.
Phone convert sound to an electric signal for transmission over a network.
Phone Line Verification of telephone line or circuit signal quality and integrity.
Photodetectors Sense an optical wave and convert it to an electrical signal.
Photodiode Arrays arranged photodiodes creating an image sensor.
Photoelectric Sensors Detect change in a light's intensity.
Photogrammetry 2D and 3D object imaging metrology.
Photometers measure light's illuminance or irradiance.
Photon Counters Count the number of discrete quanta of electromagnetic energy.
Photon Counting count the number of discrete quanta of electromagnetic energy.
Photonics Science of generating and controlling light and other forms of radiant energy whose quantum unit is the photon.
Photosensors Sense an optical wave and convert it to an electrical signal.
Photosynthesis Plants use of sunlight to convert CO2 into organic matter.
Photosynthetic Plants use of sunlight to convert CO2 into organic matter.
PHY Tests hardware, electrical and procedural interface to the transmission medium.
Physical Layer Tests hardware, electrical and procedural interface to the transmission medium.
PICMG PCI Manufacturers Group
PICMG Backplane
Picoammeters measure current in the fA range.
Picosecond one trillionth of a second.
Picture Analysis The extraction and analysis of data from images.
Picture Analyzers The extraction and analysis of data from images.
Pilling works up tufts of fabric.
PIND vibration, shock, and acoustics testing conducted to find particulate contamination.
Ping A sent signal whose echo is measured.
Pink Noise 1) reference signal for audio test. 2) sleep enhancement aid.
Pitot measures pressure to determine airspeed or fluid flow velocity.
Pitot Static Testers check air data avionics.
Plain Old Telephone System Plain Old Telephone Service
Planar Antennas An antenna in which all of the elements, both active and parasitic, are in one plane.
Plasma An ionized gas used for flat panel displays.
Platinum
PLC Programmable Logic Controller
PLCC Plastic Leaded Chip Carrier
PLD Programmable Logic Device
Plugs A male connector.
PMC PCI Mezzanine Card
PMC Adapters Computer boards that translate the data from the PMC bus to another bus and vice versa. They are used to connect two incompatible buses. (globalspec.com)
PMC Carriers
PMC Modules
PMD Polarization Mode Dispersion
Pneumatic being of or for the use of pressurized gases.
Pneumatic Fixtures Use air to actuate UUT to connectors.
PoE provides for both data and power over a single cable.
Pogo Pin Spring loaded electrical conductor contacting elements.
Polarimeters Measure the polarization of transverse waves.
Polarization Analyzers Measure the polarization of transverse waves.
Polarization Dependent Loss Maximum difference in loss of light propagation over all states of polarization.
Polarization Extinction Ratio a measure of the degree of polarization.
Polarization Meter Measure the polarization of transverse waves.
Polarization Mode Dispersion Polarization Mode Dispersion
Polarizers allow light waves of a specific polarization to pass while blocking others.
Pollution environmental contaminant.
PON Optical transmissions requiring no electrical power or active electronic parts.
PON Power Meters
Portable Data Acquisition
Portable Network Analyzers
Portable Oscilloscopes
Portable Spectrum Analyzers Portable devices that examine the spectral stucture of waveforms.
Positioning Aligning test set with target geography.
Positioning Tables align test targets with test set using a moving table.
POST Cards read BIOS error codes during a Power On Self Test for computers unable to boot-up.
POT Measure the voltage in a circuit or function as voltage dividers.
Potentiometers Measure the voltage in a circuit or function as voltage dividers.
Potentiostats maintain the electrical current potential of a working electrode in congruence with that of a reference electrode.
POTS Plain Old Telephone Service
Power a measure of watts in electricity and radiant energy in optics.
Power Amplifiers
Power Analyzers Measure the quantity, quality, and frequency of electric power.
Power Calibration Verify power measuring instruments accuracy.
Power Calibrators Verify power measuring instruments accuracy.
Power Distribution final leg of electricity delivery.
Power Loads
Power Meters
Power Network Analyzers Breakdown electrical network elements to examination.
Power over Ethernet provides for both data and power over a single cable.
Power Quality Analyzers test for noise, surges, power failures, impulses, and other parameters which cause poor quality power.
Power Quality Monitors Measure a range of electrical network disturbances.
Power Quality Recorders Measure and log power disturbances.
Power Relays
Power Sensors
Power Sources Supply stable and consistant electrical or light energy.
Power Supplies Provide electrical energy to output loads.
Power Supply Test
Power Supply Testers
Power Switches Control the current in cicuit, facilitating turning on and off.
Power Testers
PPG A logic signal source driving square waves or pulses typically at very high speeds.
P-Phone Phone used with proprietary central office telephone switch.
PPP Point-to-Point Protocol
PQA Test for noise, surges, power failures, impulses, and other parameters which cause poor quality power.
Preamplifiers Detect and strengthen a signal prior to greater amplification.
Pre-amplifiers Detect and strengthen a signal prior to greater amplification.
Precision Current Sources
Precision Time Protocol network timing and synchronization.
Precompliance vetting early in process to assure compliance.
Predictive Analysis
Predictive Maintenance Statistical and behavioral understanding of equipment to fortell maintenance.
Pressure Force exerted over it's given surface area.
Pressure Calibrators Provide precision simulation of known values to ascertain pressure instrument graduation deviation.
Pressure Gages Measure force magnitude of a vector field.
Pressure Gauges Measure force magnitude of a vector field.
Pressure Loggers record pressure values.
Pressure Sensors Detect the presence of pressure.
Pressure Transducers Output an electrical signal proportional to sensed pressure.
Pressure Transmitters
PRI Primary Rate Interface
Prism disperse or reflect light.
Probe Card Interfaces Connect ATE instrumentation to interface test adapter.
Probe Cards semiconductor bond pad and signal terminals interchangeable electro-mechano Interface to tester.
Probe Interfaces Connect ATE instrumentation to interface test adapter.
Probers Transfer and connect test target to contactor or move probes to target.
Probes enable access for closer investigation.
Probe Stations system to contact DUTs to drive and receive signals.
Probe Systems use programmable motorized staging to position contacting pin s.
Probing
Probing Interfaces Connect ATE instrumentation to interface test adapter.
Probing Stations System to contact DUTs to drive and receive signals.
Process Calibrators Assure process control signal validity.
Process Control
Processing Manipulates and analyzes a signal.
Processors Conductors of a series of actions or operations lending a particular result.
Product Safety test to determine the safety or health affects of a product.
PROFIBUS Process Field Bus is a common communication interface between industrial devices.
Profile Projectors Measure the profile of small flat objects or camparison check.
Profilometers measure surface waviness, roughness and step height.
Prognostics foreknowledge of incipient event.
Programmable AC Power Supplies
Programmable Amplifiers
Programmable Attenuators
Programmable Current Sources programmatic or dialed-in instruments supplying highly accurate current.
Programmable DC Electronic Loads Vary load current programmaticlly.
Programmable DC Power Supplies
Programmable Decade Resistance produce range of precision resistance values.
Programmable High Voltage Power Supplies
Programmable Loads
Programmable Logic Controller Programmable Logic Controller
Programmable Power Supplies Output is controlled by digital code, resistance, current or voltage.
Programmable Pulse Generators
Programmable Resistors produce range of precision resistance values.
Programmable Voltage Sources
Programmers Configure logic devices.
Programming Computer code or the act of it's creation.
Programming Services
Projector
Proto Construction of first working designs.
Protocol A standard way of controlling hardware and/or software that enables connection, communication and data transfer.
Protocol Analyzers Analyze the hardware and/or software of the connection, communication, and data transfer between devices.
Protocol Converter Provide network interoperability between disimiliar protocols.
Protocol Test
Prototypes construct of early designs.
Prototyping Construction of first working designs.
Proving Units voltage source verifying electrical meters and testers.
Proximity
Proximity Sensors Non-contact detection of an object within a specified range.
PSTN Public Switched Telephone Network
PSU Provide electrical energy to output loads.
Psychrometers Measure air moisture / humidity.
PTP network timing and synchronization.
Pulse a rhythm of discontinuous waves.
Pulsed Lasers A single or repetitive burst of laser energy with a pulse equal to or less than 0.25 s in duration.
Pulse Generators Produce single or multiple volatage pulses for device verification and fault detection.
Pulse Pattern Generators A logic signal source driving square waves or pulses typically at very high speeds.
Pulse Width
Pump forces liquid or gas to move.
PV Cell convert light to electricity.
PWM Pulse Width Modulation
PXI PXI or PCI Extensions for Instrumentation is a bus standard for high performance measurement and automation.
PXI Arbitrary Waveform Generators
PXI Backplanes
PXIbus PXI or PCI Extensions for Instrumentation is a bus standard for high performance measurement and automation.
PXI Carriers
PXI Chassis
PXI Controllers
PXI DAQ
PXI Digitizers
PXIe bi-directiona data throughput up to 6 GBytes per sec and electro-mechano interoperability with CompactPCI Express.
PXI Express Bi-directiona data throughput up to 6 GBytes per sec and electro-mechano interoperability with CompactPCI Express.
PXI Functional Test
PXI Generators
PXI Interfaces
PXI Matrix
PXI Multiplexers
PXI Serial Interfaces
PXI Switching
PXI Systems Alliance promotes and maintains the PXI standard.
Pyranometers measure solar spectrum, 280 to 2800 nm.
Pyrgeometers atmospheric measurements of 4.5 µm to 100 µm approx.
Pyroelectric Sensors Turn absorbed radiant energy into a current or voltage.
Pyrometers measure thermal radiation.