Electronic Test and Measurement Topics

Topics beginning with "N"
Nano

a width of a few hundred atoms or 10 to the negative 9th decimal.

Nanoammeters

measure current in the nA range.

Nanotechnology

Atomic or molecular level structure or observable event in the scale of billionths of a meter (1 to 100 nanometers).

Nanovoltmeters

Measure in nV.

Nanowires

wire with a diameter in the nanometer range.

Narrowband

Operating at a small range of frequency with channels substantially narrower than the coherence bandwidth. Transmission speeds up to 1.544Mbps. 300 - 3400 Hz. 50 cps - 64 Kbps.

Narrow-band

Operating at a small range of frequency with channels substantially narrower than the coherence bandwidth. Transmission speeds up to 1.544Mbps. 300 - 3400 Hz. 50 cps - 64 Kbps.

NASA

National Aeronautics and Space Administration

NAV/COMM

Navigation / Communication

Navigation Communication

Navigation / Communication

NDT

examination free of damage to UUT.

Nd:YAG Laser

Neodymium-doped Yttrium Aluminium Garnet laser.

Near-Field

1) EMF closest to the antenna. 2) Near-field optics.

Near Field Communications

a set of protocols enabling <10 cm contactless communicaiton.

Near Field Probes

1) pick up E field and H field emissions. 2) scope nanometer scale objects.

Near-Field Scanners
Near-field Scanning Optical Microscope

Near-field Scanning Optical Microscope

Net

Link transmissions in communication systems.

Net Probes

Monitor and analyze networks.

Network

interlaced fabric of connected ways.

Network Analyzers

software and/or hardware, that measures the activity on a network and the devices connected to the network.

Network Cable Testers

Verify the integrity of network cables.

Network Emulators

mimicking network properties for evaluation.

Network Monitoring

Observe and analyze network communications to detect abnormal activity.

Network Monitors

Observe and analyze network communications to detect abnormal activity.

Network Probes

Monitor and analyze networks.

Network Simulation

modelling of network conditions.

Network Simulators

model network conditions.

Network Taps

Network Test Access Port.

Network Time Servers

Computer servers that read the actual time from a reference clock and distribute the information through a network, usually using NTP (Network Time Protocol).

NF

1) EMF closest to the antenna. 2) Near-field optics.

NFC

a set of protocols enabling <10 cm contactless communicaiton.

NICAD

Rechargeable batteries based on nickel oxide and cadmimum electrodes.

NiCd

Rechargeable batteries based on nickel oxide and cadmimum electrodes.

NIckel Cadmium Battery

Rechargeable batteries based on nickel oxide and cadmimum electrodes.

Night Vision

to see in the dark.

Night Vision Monoculars

Have one night viewing eyepiece.

NIR

0.75-1.4 ┬Ám in wavelength

NIR Spectrometers
NO2

Nitrogen Dioxide

Noise

A signal's fluctuation in a circuit other than that desired.

Noise Bridges

examine antenna's capability to recieve and/or transmit wireless rf signals.

Noise Dosimeters

Measure exposure to noise.

Noise Figure

delta of UUT noise to ideal.

Noise Generators

Create disturbances impacting signal clarity.

Noise Meters

A noise meter, also known as a "sound level meter", is designed to accurately measure the "noise" or unwanted component of a signal or variable.

Noise Sources

create signal disturbances for the purpose of noise instrument calibration.

Non-destructive Test

Examination free of damage to UUT.

NOx

Mono-nitrogen oxide compounds.

NSOM

Near-field Scanning Optical Microscope

NTCIP

National Transportation Communication for ITS protocol family of electronic traffic control equipment communication standards.

NTSC

National Television System(s) Committee

NTSC Generators

National Television Standards Committee signal generators.

Nuclear

energy of atomic nuclei.

Nuclear Radiation

Particulate and electromagnetic radiation emitted from atomic nuclei.