Electronic Test and Measurement Topics

Topics beginning with "P"
P25

Project 25 is a digital radio communications standard.

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

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 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.

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.

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 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
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.

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.

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.

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 Fixtures

Use air to actuate UUT to connectors.

Pneumatics

Handling and use of pressurized gases.

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

Pollution

environmental contaminant.

PON

Optical transmissions requiring no electrical power or active electronic parts.

PON Power Meters
Portable Appliance Test

In-service Inspection & Testing of Electrical Equipment.

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 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 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.

Precompliance

Pre-compliance test uses equipment, which does not meet compliance specifications but will allow you to make tests in the same way as a compliance solution. (electrolink.co.nz)

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
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.

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 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
Prototype

Construction of first working designs.

Prototyping

Construction of first working designs.

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

Precision Time Protocol

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

Companies that carry PXIE products

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.