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Early radio receivers worked on a principle called Tuned Radio frequency (TRF), patented in 1916. They weren’t very easy to use, requiring each stage to be tuned to the same frequency (until … ...

Having built my own transistor superheterodyne receiver ... But even then it was on the cusp of digital synthesizers, more like concurrent, if you had the money for lab quality receivers.

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Superhet on the way out, says analystNews from E-InSiteMarket researcher iSuppli foresees direct conversion ICs displacing the superheterodyne circuit topologies used in the design of today’s wireless ...

Abstract. This report describes a rack-mounted superheterodyne receiver covering the medium and long-wavebands, which has been developed by the Research Department for use in conjunction with the ...

For the past 40 years, Submillimeter-Wave Technology Laboratory (STL) has been a leader in submillimeter-wave transmitters, receivers, compact range chambers, and other related technologies. Utilizing ...

Maxim introduced the MAX7033, the newest 300MHz to 450MHz superheterodyne ASK receiver. This devices features a high sensitivity of -114dBm, user-selectable center-frequency image rejection of better ...

All later television receivers were of the superheterodyne type. In fact, all radios, television receivers, terrestrial and satellite, and all radar sets employ this superheterodyne principle, ...