Superheterodyne receiver thumb|upright=1.6|Block diagram of a typical superheterodyne receiver. Red parts are those that handle the incoming radio frequency (RF) signal; green are parts that operate at the intermediate frequency (IF), while blue parts operate at the modulation (audio) frequency.
Superheterodyn?e receiver thumb|upri!ght=16|Block diagram of a typical superheterodyne receiver Red parts are those that handle the incoming radio frequency (RF) signal; green are parts that operate at the intermed?iate frequency (IF) while blue p?arts operate at. the modulation (audio) frequency