image frequency


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image frequency

[′im·ij ‚frē·kwən·sē]
(electronics)
An undesired carrier frequency that differs from the frequency to which a superheterodyne receiver is tuned by twice the intermediate frequency.
References in periodicals archive ?
The image frequency, bandwidth, and quality are user-selectable depending on the demands of each site.
Bullet-proof front end: IIP3 = -18 dBm at highest LNA gain and >5dBm at lowest LNA gain, IIP2 = +35 dBm, 80 dB Blocking Immunity, no Image Frequency response
One SAW filter is used for each of the bands supported in a multi-band handset, to reject the image frequency at RF.