Glossary Terms and Definitions E

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E1

Definition: Wide-area, digital transmission scheme. Commonly used in Europe to carry data at a rate of approximately 2.05Mbps.

Electro Absorption Modulators

Definition: Chip-level modulation devices often integrated into hybrid transponder devices.

Electromagnetic Interference

Definition: unwanted electromagnetic radiation from a device that could interfere with the desired signals in test or communication equipment.

Embedded System

Definition: A system in which a micro-controller or microprocessor is included as integral part of the system

Electromagnetic Capability

Definition: Ability to be a good electromagnetic component in relation to those around it. The part does not cause or is susceptible to electromagnetic interference.

Electromagnetic Discharge

Definition: A potentially damaging release of stored static electricity.

Electrometer

Definition: a highly refined DC multimeter. It can be used for many measurements performed by conventional multimeters. An electrometer's special input characteristics and high sensitivity allow it to make voltage, current, resistance, and charge measurements far beyond the capabilities of a conventional DMM.

Ethernet

Definition: A family of network protocols bases on asynchronous frames.

Error

the deviation of a measurement from its true value.

Error Vector Magnitude

A measure of the diffrence between the ideal waveform and the recoded waveform.

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