A superheterodyne receiver, often shortened to superhet, is a type of radio receiver that uses frequency mixing to convert a received signal to a fixed...

Advantages section below describes how the superheterodyne receiver overcomes these problems. The superheterodyne receiver, invented in 1918 by Edwin Armstrong...

Wasp" line of regenerative receivers. E.H. Scott Radio Laboratories offered its superheterodyne "World's Record" shortwave receiver kit in the late 1920s,...

frequency of the intended signal. This is in contrast to the standard superheterodyne receiver where this is accomplished only after an initial conversion to...

By the mid 1930s, it was replaced by the superheterodyne receiver patented by Edwin Armstrong. The TRF receiver was patented in 1916 by Ernst Alexanderson...

be transferred to the rest of the receiver at the more easily handled intermediate frequency. For most superheterodyne architectures, the RF front end consists...

The principle of the modern superheterodyne (or superhet) receiver (originally named the super-sonic heterodyne receiver, because the intermediate frequency...

There may be several such stages of intermediate frequency in a superheterodyne receiver; two or three stages are called double (alternatively, dual) or...

heterodyne process is in the superheterodyne radio receiver circuit, which is used in virtually all modern radio receivers. In 1901, Reginald Fessenden...

previously been available. The greatly improved selectivity of the superheterodyne receiver overtook the TRF design in almost all applications, however the...