Intermodulation

Intermodulation

The mixing of two signals in a nonlinear device. This produces signals at frequencies that are the sum and difference of integral multiples of the original signals.

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Part of Speech: noun
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Industry/Domain: Semiconductors
Category: Test equipment
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Related terms

intermodulation

Aerospace; Satellites

Mutual interference between signals spaced apart in frequency after non-linear amplification by a common amplifier. In satellite communication systems the phenomenon of ...

intermodulation

Semiconductors; Test equipment

The mixing of two signals in a nonlinear device. This produces signals at frequencies that are the sum and difference of integral multiples of the original signals.

intermodulation noise

Engineering; Electronic engineering

Electrical noise produced in one channel by signals in another; it is caused by intermodulation.

intermodulation meter

Engineering; Electronic engineering

An instrument for measuring percentage of intermodulation distortion (IMD). The instrument combines a dual-frequency signal generator, filter circuits, and percent-ofmodulation ...

intermodulation (IM)

Engineering; Electronic engineering

1. The (usually undesired) modulation of one signal by another, caused by nonlinear processing of the signals. 2. The heterodyning of components in the sidebands produced by an ...

intermodulation product

Telecommunications; General telecom

In the output of a nonlinear system, a frequency produced by intermodulation of harmonics of the frequencies present in the input signal.

high-pass filter

Semiconductors; Test equipment

(1) A math operation that emphasizes details in an image. (2) A circuit that attenuates low-frequency components in an analog signal.

bipolar

Semiconductors; Test equipment

(1) A signal that includes positive and negative values. (2) A type of semiconductor.

ground

Semiconductors; Test equipment

(1) An electrically neutral wire that has the same potential as the surrounding earth. Normally, a non-current-carrying circuit intended for safety. (2) A common reference point ...

low-pass filter

Semiconductors; Test equipment

(1) An operation that blurs details in an image. (2) A circuit that attenuates the high-frequency components in an analog signal.

electromagnetic compatibility (EMC)

Semiconductors; Test equipment

(1) The ability of electronic equipment to operate in an intended electromagnetic environment without degradation caused by interference. (2) The ability of equipment to operate ...

pixel

Semiconductors; Test equipment

(1) The fundamental picture element in a digital image. (2) The coordinate unit used to define the horizontal location of a pixel in an image. ("Pixel" is an acronym for "picture ...