Ishubhu ye-electron
Ngo-1906, i-American DeForest yasungula i-vacuum triode, yenza isibonelo sobuchwepheshe bomuntu we-electroacoustic. Ngo-1927, i-Bell Labs yasungula ubuchwepheshe bempendulo engalungile, eyenza ukuthuthukiswa kobuchwepheshe bomsindo kungene enkathini entsha. Abamele abanjengoWilliamson amplifiers basebenzise ngempumelelo ubuchwepheshe bempendulo engalungile ukunciphisa kakhulu ukuhlanekezela kwe-amplifier. Ngawo-1950, ukuthuthukiswa kwezikhulisamandla zamashubhu kwafinyelela umvuthwandaba, futhi izikhulisa-msindo zamashubhu ezihlukahlukene zavela ngokulandelana. Ngenxa yethoni emnandi nethambile yenkomba yezobuchwepheshe eyinhloko yeshubhu kagesi, i-amplifier isathandwa ngabashisekeli.
I-Transistor
Ukuvela kwama-transistors ngeminyaka yawo-1960 kwenza iningi labathandi bomsindo bangene emhlabeni obanzi womsindo. Isikhulisi se-Transistor sinezici zethoni ethambile nenyakazayo, ukuhlanekezela okuphansi, ukusabela kwefrikhwensi okubanzi kanye nobubanzi obuguqukayo.
isifunda esihlanganisiwe
Ekuqaleni kwawo-1960, i-United States yaqala ukwethula amasekethe ahlanganisiwe, ilungu elisha lobuchwepheshe bomsindo. Ngasekuqaleni kwawo-1970, izifunda ezihlanganisiwe zaqashelwa kancane kancane imboni yomsindo ngekhwalithi yazo ephezulu, intengo ephansi, usayizi omncane, nemisebenzi eminingi. . Kusukela ekuthuthukisweni kwayo, amasekethe ahlanganisiwe womsindo wefilimu aminyene kanye namasekethe ahlanganisiwe we-amplifier asetshenziswe kabanzi kumasekethe omsindo.
I-Field effect tube
Maphakathi nawo-1970, iJapan yakhiqiza ishubhu yamandla esebenza ensimini yokuqala. Ngoba ishubhu yamandla omsindo esebenza ensimini iphinde ibe nezici zogqinsi olumsulwa, ithoni emnandi yeshubhu, ububanzi obuguquguqukayo buka-90dB, kanye neTHD.<0.01% (ku-100kHz), izoduma maduze embonini yomsindo. Ama-amplifiers amaningi namuhla asebenzisa ama-FET njengomphumela wokugcina.
[Umshwana wokuzihlangula: Okuqukethwe ngenhla kuvela ku-inthanethi, futhi akumeli imibono yalesi sizindalwazi. Ngethemba ukuthi okunye okuqukethwe kungakusiza. 】
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