Datorita multiplelor avantaje, superheterodina este tipul de radioreceptor cel mai frecvent si singurul realizat industrial. S-ar parea la prima vedere ca radioreceptorul superheterodina nu este prea simplu. Totusi, atunci cind se elimina anumite dispozitive speciale de reglaj, schema de principiu devine usor de inteles. Cu tot numarul mare al variantelor acestui radioreceptor, diferentele dintre variante sint relativ mici in cadrul aceleiasi categorii de aparate.
Pentru o aprofundare temeinica a principiilor constructive de functionare ale superheterodinei vor fi prezentate la inceput citeva scheme tip, comentate in ordinea complexitatii lor.
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