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...

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...

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

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...

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

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

Superheterodyne transmitter is a radio or TV transmitter which uses an intermediate frequency signal in addition to radio frequency signal. There are...

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...

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

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...

radio receivers was developed by Edwin Armstrong, who patented a regenerative receiver in 1914. At least one console-model broadcast superheterodyne receiver...

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

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

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

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

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...

portable receivers based on vacuum tubes. The Regency TR-1 was patented by Richard C. Koch, Project Engineer at I.D.E.A. The TR-1 is a superheterodyne receiver...

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...

(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...