About: Low IF receiver

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In a low-IF receiver, the RF signal is mixed down to a non-zero low or moderate intermediate frequency, typically a few megahertz (instead of 33–40 MHz) for TV, and even lower frequencies (typically 120–130 kHz instead of 10.7–10.8 MHz or 13.45 MHz) in the case of FM radio band receivers or (455–470 kHz for) AM (MW/LW/SW) receivers. Low-IF receiver topologies have many of the desirable properties of zero-IF architectures, but avoid the DC offset and 1/f noise problems. * v * t * e * v * t * e

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rdf:type	yago:WikicatCommunicationCircuits yago:Artifact100021939 yago:Circuit103033362 yago:Device103183080 yago:ElectricalDevice103269401 yago:Instrumentality103575240 yago:Object100002684 yago:PhysicalEntity100001930 yago:Whole100003553
rdfs:label	Low IF receiver (en)
rdfs:comment	In a low-IF receiver, the RF signal is mixed down to a non-zero low or moderate intermediate frequency, typically a few megahertz (instead of 33–40 MHz) for TV, and even lower frequencies (typically 120–130 kHz instead of 10.7–10.8 MHz or 13.45 MHz) in the case of FM radio band receivers or (455–470 kHz for) AM (MW/LW/SW) receivers. Low-IF receiver topologies have many of the desirable properties of zero-IF architectures, but avoid the DC offset and 1/f noise problems. * v * t * e * v * t * e (en)
dcterms:subject	Receiver (radio) Radio electronics Communication circuits
Wikipage page ID	3160940 (xsd:integer)
Wikipage revision ID	1044909396 (xsd:integer)
Link from a Wikipage to another Wikipage	Electronic filter Intermediate frequency Quadrature down-conversion Analog signal processing Mobile phone MP3 Signal (electrical engineering) Receiver (radio) Analog television Radio electronics Hertz Communication circuits Digital signal processing Digital television Frequency modulation DC offset Radio Frequency Selectivity (radio) Image response Resonant circuit 1/f noise Zero-IF receiver
sameAs	Low IF receiver Low IF receiver Low IF receiver Low IF receiver
dbp:wikiPageUsesTemplate	dbt:Radio-stub dbt:Short_description dbt:Unreferenced dbt:Electronics-stub
has abstract	In a low-IF receiver, the RF signal is mixed down to a non-zero low or moderate intermediate frequency, typically a few megahertz (instead of 33–40 MHz) for TV, and even lower frequencies (typically 120–130 kHz instead of 10.7–10.8 MHz or 13.45 MHz) in the case of FM radio band receivers or (455–470 kHz for) AM (MW/LW/SW) receivers. Low-IF receiver topologies have many of the desirable properties of zero-IF architectures, but avoid the DC offset and 1/f noise problems. The use of a non-zero IF re-introduces the image issue. However, when there are relatively relaxed image and neighbouring channel rejection requirements they can be satisfied by carefully designed low-IF receivers. Image signal and unwanted blockers can be rejected by quadrature down-conversion (complex mixing) and subsequent filtering. This technique is now widely used in the tiny FM receivers incorporated into MP3 players and mobile phones and is becoming commonplace in both analog and digital TV receiver designs. Using advanced analog- and digital signal processing techniques, cheap, high quality receivers using no resonant circuits at all are now possible. * v * t * e * v * t * e (en)
prov:wasDerivedFrom	wikipedia-en:Low_IF_receiver?oldid=1044909396&ns=0
page length (characters) of wiki page	1745 (xsd:nonNegativeInteger)
foaf:isPrimaryTopicOf	wikipedia-en:Low_IF_receiver
is Link from a Wikipage to another Wikipage of	Intermediate frequency Low-IF receiver Low-intermediate-frequency receiver Low intermediate-frequency receiver Low intermediate frequency receiver Tuned radio frequency receiver Direct-conversion receiver Neutrodyne
is Wikipage redirect of	Low-IF receiver Low-intermediate-frequency receiver Low intermediate-frequency receiver Low intermediate frequency receiver
is foaf:primaryTopic of	wikipedia-en:Low_IF_receiver

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