IMD3

(redirected from Third-Order Intermodulation Distortion)
AcronymDefinition
IMD3Third-Order Intermodulation Distortion
References in periodicals archive ?
The intermodulation power ratio (IMR) is defined as the ratio of the output third-order intermodulation distortion (OIMD3) to the one output test tone power
The equivalent input, third-order intermodulation distortion (IIMD3) is defined as
The third-order intermodulation distortion cancellation is greater than 25 dB.
The third-order intermodulation distortion is approximately-18 dB relative to the two carrier signals, showing that the main amplifier is operating near saturation.
Two-tone, third-order intermodulation distortion was compared between the FET and BJT.
The third-order intermodulation distortion (IMD) product of two adjacent channels (1958.75 and 1960 MHz) falls directly in the channel bandwidth of the third channel (1962.5 MHz).
Little thought was given to the practicality of the circuit layout, to the trade-off between gain and third-order intermodulation distortion or to the amplifier's stability.
A comparison between the maximum gain amplifier (amplifier 1) that was optimized for gain and input return loss and the practical version (amplifier 2) that is optimized for output power, input third-order intercept point and input return loss, reveals the trade-off between gain and third-order intermodulation distortion. The sum of gain and third-order intercept point, IP3out + SSG, of amplifier 2 is 42.6 dBm, which is somewhat higher than that of amplifier 1's 40.2 dBm or that of the PHEMT's 40.7 dBm.
A typical value for the third-order intermodulation distortion (IMD) products of a conventional class A amplifier is -35 dBc.
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