Electronic Components & Devices

Glossary of electronic components



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A


Attenuation

The reduced level of unnecessary signals.

Attenuation Width

The frequency width of unnecessary signals to be reduced.


B

Band Pass Filter

Electronic component which allows a range of specified frequencies to pass.


E

EMC

Abbreviation of Electromagnetic Compatibility. The concept of enabling electronic devices to function without EMI.

EMI

Abbreviation of Electromagnetic Interference. A disturbance of an electrical circuit caused by external interference of an electromagnetic origin.

EMS

Abbreviation of Electromagnetic Susceptibility. The vulnerability of an electric circuit to a disturbance of electromagnetic origin.


F

FDD

Abbreviation of Frequency Division Duplex. The duplex which realizes simultaneous communication of Tx and Rx by using different frequency bands.


I

Impedance

The opposition to current flow in a circuit, including resistance, inductance, and capacitance.

Isolation

Signal division between Tx (Transmit) and Rx (Receive).

Insertion Loss

The loss of signal power resulting from the insertion of a device in a transmission line or optical fiber.


L

Low Noise Amplifier

Electronic component which amplifies low-power signals without degrading its signal-to-noise ratio.


P

Photolithography

Technology which prints fine patterns on a wafer by certain exposure treatments during development. Features high accuracy and mass production capability.

Power Amplifier

Electronic component which amplifies a signal to achieve a higher frequency for transmission.


R

Reflow Soldering

A soldering method in which solder is applied to electronic components and then melted in a reflow oven to permanently mount them to a printed circuit board (PCB).

Ripple

Gap between the highest point and lowest point of loss within a passband.


S

SAW Duplexer

Electronic component which isolates Tx and Rx signals by applying a surface acoustic wave.
 →SAW Duplexers

SAW Filter

Electronic component which applies surface acoustic waves. Band pass filters, high pass filters, band eliminating filters, and duplexers are included in this category.
 →SAW Filters

SMD

Abbreviation of Surface Mount Device. Components suitable for SMT equipment.

SMT

Abbreviation of Surface Mount Technology. A method of producing electronic circuits on a printed circuit board (PCB) by applying solder paste and placing components on the PCB's surface before the solder is melted in a reflow oven.


T

TDD

Abbreviation of Time Division Duplex. The duplex which realizes simultaneous communication by dividing the band into different time slots, switching between Tx and Rx in high speed.


V

VSWR

Abbreviation of Voltage Standing Wave Ratio. A measure of how efficiently radio-frequency power is transmitted from a power source, through a transmission line, into a load.

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