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...

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...

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...

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

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

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

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

manufacturers could afford to build a superheterodyne receiver (superhet). RCA had exclusive rights to the superheterodyne circuit patents and extracted high...

inventor, who developed FM (frequency modulation) radio and the superheterodyne receiver system. He held 42 patents and received numerous awards, including...

"reflex" receivers) and especially by another Armstrong invention - superheterodyne receivers and is largely considered obsolete.: p.190  Regeneration (now...

detectors are declared illegal. Radar detectors are built around a superheterodyne receiver, which has a local oscillator that radiates slightly. It is therefore...

high-band quadrant receivers a low-band array plus receiver to provide 360° azimuth low-band coverage a narrowband superheterodyne receiver for signal analysis...

Neutrodyne circuit was popular in radio receivers until the 1930s, when it was superseded by the superheterodyne receiver. The circuit was developed about 1922...

and radio receiver manufacturer. He invented the superheterodyne method of amplifying radio signals, used in almost all AM radio receivers. His patent...

software defined antennas are the enablers of cognitive radio. Superheterodyne receivers use a VFO (variable-frequency oscillator), mixer, and filter to...

cascode circuit is very useful as a multiplying mixer circuit in superheterodyne receivers. At the lower gate the RF signal is fed to the mixer, and at the...

superheterodyne receiver, and a detector designed for RF can be combined with an RF amplifier and a low-pass filter into a direct-conversion receiver...

semiconductor diodes, transistors, or integrated circuits. In a superheterodyne receiver the term is also sometimes used to refer to the mixer, the tube...

(FFT) based spectrum analyzers: A swept-tuned analyzer uses a superheterodyne receiver to down-convert a portion of the input signal spectrum to the center...

AC/DC superheterodyne receiver with push-pull output stage" Archived June 29, 2011, at the Wayback Machine Data and Circuits of Radio Receiver and Amplifier...

filtering can be done with a tunable filter or, more practically, a superheterodyne receiver It is more susceptible to noise than a product detector If the...

developed an alternative to Edwin Armstrong's superheterodyne receiver, the Homodyne or direct-conversion receiver. In the homodyne or synchrodyne system, a...

open-source office software suite Local oscillator in, for example, a superheterodyne receiver Liceum ogólnokształcące, a type of general academic high school...

industry as a major manufacturer of radio receivers, and the exclusive manufacturer of the first superheterodyne sets. The company also created the first...

sensitive to noise when using a regenerative receiver or a poorly implemented superheterodyne receiver. For a given data rate, the bandwidth of a BPSK...

into the shortwave receiver market with the introduction of the "Comet Pro", the first commercial short wave superheterodyne receiver. Professional listening...

or further signal processing. For example, a key component of a superheterodyne receiver is a mixer used to move received signals to a common intermediate...