| 11. | One of the first amateur superheterodyne receivers, built in 1920 even before Armstrong published his paper.
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| 12. | By the mid-1930s, commercial production of TRF receivers was largely replaced by superheterodyne receivers.
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| 13. | Radar detectors are built around a superheterodyne receiver, which has a local oscillator that radiates slightly.
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| 14. | Akrabbim is correct and the effect is described at Superheterodyne receiver # Image frequency ( fimage ).
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| 15. | The intent was to develop an alternative receiver circuit that required fewer tuned circuits than the superheterodyne receiver.
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| 16. | Crystal oscillator superheterodyne receivers with better selectivity and stability made control equipment more capable and at lower cost.
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| 17. | Each student built a superheterodyne receiver, and fault-finding was taught using systematic signal-tracing.
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| 18. | Consequently, there can be mutual interference in the operation of two or more superheterodyne receivers in close proximity.
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| 19. | The receiver part is generally divided into two types : the super-regenerative receiver and the superheterodyne receiver.
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| 20. | Historically the term " aliasing " evolved from radio engineering because of the action of superheterodyne receivers.
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