intermediate frequency

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intermediate frequency

n
(Electronics) electronics the frequency to which the signal carrier frequency is changed in a superheterodyne receiver and at which most of the amplification takes place
References in periodicals archive ?
The SNR characteristics of the AD9445 enable wireless infrastructure equipment designers to improve cellular base station receivers by offering lower overall system noise at higher intermediate frequencies, which translates to expanded cellular coverage and fewer dropped calls.
For wireless and wired systems, the AD9957 DDS modulator or quadrature digital upconverter (QDUC) simplifies data transmission by offering real outputs up to intermediate frequencies of 400 MHz.
It operates from 40 to 300 MHz, covering typical 2G/35 wireless intermediate frequencies and provides 40 dB of gain control, with low amplitude and phase error of the demodulated inputs ([less than] 0.
The flagship device is a 12-bit, 250 million samples per second (MSPS) ADC that cuts power consumption by more than 40 percent, is available in a package 20 percent smaller than competitive ADCs, and maintains superior signal-to-noise ratio (SNR) and spurious-free dynamic range (SFDR) at high intermediate frequencies (IFs).
The AD8368 is capable of sustaining high linearity (OIP3 of 34 dBm at 70 MHz) at the highest intermediate frequencies (IFs), allowing it to be used in all wireless standards, including 2G and 3G, as well as emerging broadband wireless standards such as 802.
The latest addition to ADI's extensive portfolio of radio frequency (RF) components, the AD8352 is designed to drive 12- to 16-bit ADCs at the highest practical intermediate frequencies (IF) used within next generation 3G and 4G cellular and broadband WiMAX wireless infrastructure equipment.
WhatIF, a frequency planning tool, uses a new simulation technique that analyzes spurious performance of Intermediate Frequencies (IFs).
The industry-leading SNR characteristics of the AD9445 enable wireless infrastructure equipment designers to improve cellular base station receivers by offering lower overall system noise at higher intermediate frequencies, which translates to expanded cellular coverage and fewer dropped calls.
The TM1-3350 enables us to bring the processing power and flexibility of the SDR-3000 to bear in applications, such as satellite communications, that require wider bandwidths and higher intermediate frequencies," stated Mark Briggs, Spectrum's Director of Marketing.

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