| Kieli | Käännökset |
|---|---|
| hollanti | middenfrequentie |
| ruotsi | mellanfrekvens |
| saksa | Zwischenfrequenz |
| suomi | välityssuhde, välys, välitaajuus, välituote, välitysasema, välivahvistin |
| Monikko | intermediate frequencies |
(radio) A frequency to which a carrier frequency is shifted as an intermediate step in transmission or reception; generally associated with superheterodyne receivers.
The IF stage from a Motorola 19K1 television set circa 1949
(radio) A frequency to which a carrier frequency is shifted as an intermediate step in transmission or reception; generally associated with superheterodyne receivers.
The RCA Radiola AR-812 used 6 triodes: a mixer, local oscillator, two IF and two audio amplifier stages, with an IF of 45 kHz.