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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