superheterodyne receiver
Noun
Meaning
superheterodyne receiver (plural superheterodyne receivers)
A radio receiver that mixes (beats or heterodynes) a locally produced frequency with the incoming frequency
Hypernyms
Related terms
Examples
At the cost of an extra frequency converter stage, the superheterodyne receiver provides superior selectivity and sensitivity compared with simpler designs.
In addition to the magnetron (right), it contains a TR (transmit/receive) switch tube and the superheterodyne receiver front end, a 2K25 reflex klystron tube local oscillator and a 1N21 germanium diode mixer.
He had been awarded French patents in 1917 and 1918 that covered some of the same basic ideas used in Armstrong's superheterodyne receiver.
Image frequencies can be eliminated by sufficient attenuation on the incoming signal by the RF amplifier filter of the superheterodyne receiver.
Image frequency (f img ) One major disadvantage to the superheterodyne receiver is the problem of image frequency.
Modern designs Microprocessor technology allows replacing the superheterodyne receiver design by a software defined radio architecture, where the IF processing after the initial IF filter is implemented in software.