Electronic Test and Measurement Topics

Topics beginning with "O"
O2

A non metal highly reactive chalcogen.

O3

Trioxygen

OBD

On-Board Diagnostics

Ocean

dominant expanse of a planet's liquid geography.

OFDM

Orthogonal Frequency Division Multiplexing

Ohmmeters

measure the electrical resistance of a conductor.

Oil

A greasy combustible liquid.

Oil Dielectric

measures the breakdown voltage of insulating oils.

OLED

Light Emitting Diode with emissive electroluminescent layer composed of organic compounds.

O-Level Test

unit test using equipment maintanence checks.

OLTS

measures the total amount of attenuation in a length of fiber.

Opacity

measure of emissions not passing through.

Open Short

Pinpoint open circuits.

OPM

Measure the amount of radiant energy over time.

Optical

Of or related to vision, light and/or optics.

Optical Amplifiers

Devices that boost light signal in an optical fiber network. The optical signal is amplified directly without need for electrical conversion.

Optical Attenuators

Reduce optical power by inducing loss.

Optical Choppers

Intercept current or beams of radiation on a periodic basis.

Optical Combs

Frequency comb measuring light frequencies.

Optical Comparators

Measure the profile of small flat objects or camparison check.

Optical Heads
Optical Light Sources

Produce an optical signal from a laser diode or LED.

Optical Loss Test Set

measures the total amount of attenuation in a length of fiber.

Optical Modulation
Optical Multimeters

Combine multiple optical test instruments as one.

Optical Network

A system of interconnected elements that route light signals.

Optical Power Meters

Measure the amount of radiant energy over time.

Optical Receivers

convert an optical signal to an electronic signal.

Optical Return Loss

amount of light back reflection in a fiber.

Optical Sensors

Detect and measure light.

Optical Spectrum Analyzers

examine the properties of light.

Optical Switch

Route signal transmitted through optical fiber among optical circuits.

Optical Switches

Route signal transmitted through optical fiber among optical circuits.

Optical Time Domain Reflectometers

OTDRs characterize the integrity of optical fibers by measuring the impedance of applied light pulses.

Optical Transceivers

convert, transmit and recieve electrical and optical signals.

Optical Transport Network
Optical Tunable Filters
Optic Amplifiers

Devices that boost light signal in an optical fiber network. The optical signal is amplified directly without need for electrical conversion.

Optic Heads
Optic LIght Sources

Produce an optical signal from a laser diode or LED.

Optic Network

A system of interconnected elements that route light signals.

Optic Receivers

Convert an optical signal to an electronic signal.

Optic Sensors

Detect and measure light.

Optoelectronic
Organic LED

Light Emitting Diode with emissive electroluminescent layer composed of organic compounds.

Organizational Level Test

unit test using equipment maintanence checks.

ORL

amount of light back reflection in a fiber.

OSA

Measure and examine the properties of light.

Oscillating Wave
Oscillators

Produce oscillating signals repeating at a constant rate controlled by a resonator.

Oscilloscope Probes

probe with lead for single-ended measurements connected to ground.

Oscilloscopes

Analyze waveforms of electronic signals by producing a trace on a display screen of corrosponding oscillations of voltage and current.

Oscilloscope Software
OTA

signals transmitted without cables.

OTDR

OTDRs characterize the integrity of optical fibers by measuring the impedance of applied light pulses.

OTN
Outlet Testers

test access viability to electricity, gas or data.

Over-the-air

Signals transmitted without cables.

Oxidation Stability

degradation of biodiesel over time.

Oxygen

non metal highly reactive chalcogen.

Ozone

Trioxygen