intermodulation distortion


Also found in: Dictionary, Acronyms.
Related to intermodulation distortion: Harmonic distortion

intermodulation distortion

[‚in·tər‚mäj·ə′lā·shən di‚stȯr·shən]
(electronics)
Nonlinear distortion characterized by the appearance of output frequencies equal to the sums and differences of integral multiples of the input frequency components; harmonic components also present in the output are usually not included as part of the intermodulation distortion.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

intermodulation distortion

(electronics, communications)
(IMD) Nonlinear distortion in a system or transducer, characterised by the appearance in the output of frequencies equal to the sums and differences of integral multiples of the two or more component frequencies present in the input waveform.
This article is provided by FOLDOC - Free Online Dictionary of Computing (foldoc.org)
Mentioned in ?
References in periodicals archive ?
Even without "High-End" power DAC (D class power amplifier) required dynamic range of the measurement devices can be estimated: e.g., Texas Instrument TAS5518-5261K2EVM [2] intermodulation distortion decline for 5th harmonics even -90 dB for output level of 300 / 500 mW (Fig.
Filter for intermodulation distortion measurement of audio power amplifiers/Filtras garso galios stiprintuvu tarpmoduliaciniams iskraipymams matuoti
One possible way to achieve this design goal is to rely on certain bias points and power operating conditions, the so-called large-signal intermodulation distortion (IMD) sweet spots, which lead to improved carrier-to-IMD ratios (IMR) near the zones where power-added efficiency (PAE) is maximized.
A unified theory for nonlinear distortion characteristics in different amplifier technologies
When signals are amplified in an HPA, unwanted harmonics and intermodulation distortion signals are generated, in addition to the amplified desired signals, by the nonlinear characteristics of the power amplifier.
An analog predistortion linearizer design
(1.) Notes on Intermodulation Distortion, http://web.engr.oregonstate.edu/~karti/ece621/lec08_01_16.pdf
Classy amplifiers simplify EMC test
It extracts the low second-order frequency intermodulation distortion signal from the input signals and uses it as the mixing signal source.
Design of a predistortion HPA using a frequency up-conversion mixing operation
The company asserts the ADC's dynamic performance of -147 dBm/Hz noise floor, 52 dB noise power ratio (NPR) and -61 dBFS intermodulation distortion (IMD) enables a new generation of software-defined radio (SDR) architectures and applications.
ADC combines 12-bit resolution, 3.6-GSPS sampling rate
Examples of other tests that require a spectrum analyzer or vector signal analyzer include testing for intermodulation distortion, third-order intercept, the 1-dB gain compression on a power amplifier or power transistor, and a device's frequency response.
RF measurement basics for non-RF test engineers
The procedure of generating the third-order intermodulation distortion required for the linearization of the laser diode (type Ortel model 3540A-022 fiber optic transmitter) uses the diode equivalent circuit.
Volterra series analysis of a laser diode predistorter for mobile communication systems
RF power amplifier (RFPA) nonlinearities introduce third-order intermodulation distortion (IMD) to the amplifier output signal when driven by a multitone input signal.
RF power amplifier testing: a tough challenge for test engineers is explored in terms of test methods, pitfalls, and measurement errors
In addition, since power levels are low, intermodulation distortion is not a consideration.
"Satellite on a stick" for path link simulation

Encyclopedia browser ?
Full browser ?