JP2019096851A - 高速スイッチング用トランジスターの設計方法 - Google Patents
高速スイッチング用トランジスターの設計方法 Download PDFInfo
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SHF帯のマイクロ波を使った衛星通信の信号の切り替えには、キャリアーの蓄積時間と逆回復時間の極めて短い、真性半導体層をP型半導体とN型半導体の間に挟んだ、PINダイオードがある。P型半導体とN型半導体の間に挟んだ真性半導体層は、殆ど電子やホール等のキャリアーが存在しない空乏層となり、キャリアーの蓄積時間が極めて短い為に、真性半導体層中のキャリアーの寿命は極めて短く、PINダイオードにかかる電圧が逆バイアスになると真性半導体層中のキャリアーは極めて短い時間で消滅する。この為に、PINダイオードのスイッチング速度は普通のPN接合ダイオードよりも桁違いに速く、SHF帯のマイクロ波で通信をする衛星通信などの信号の切り替え等に使われている。
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Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS6010778A (ja) * | 1983-06-30 | 1985-01-19 | Tdk Corp | 半導体装置及びその製造方法 |
JPH0411775A (ja) * | 1990-04-28 | 1992-01-16 | Fujitsu Ltd | 半導体装置とその製造方法 |
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Publication number | Priority date | Publication date | Assignee | Title |
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JPS6010778A (ja) * | 1983-06-30 | 1985-01-19 | Tdk Corp | 半導体装置及びその製造方法 |
JPH0411775A (ja) * | 1990-04-28 | 1992-01-16 | Fujitsu Ltd | 半導体装置とその製造方法 |
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