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TAMAMEN OPTİK MİKROSİSTEMLER İÇİN 180NM CMOS TEKNOLOJİSİNDE TASARLANMIŞ DÜŞÜK GERİLİM BESLEMELİ SALINGAÇLARIN KARŞILAŞTIRILMASI

Bu çalışmada tamamen optik entegre bir biyomedikal sistem için düşük güç tüketimine ve düşük besleme gerilimine sahip salıngaç temelli sığal ve dirençsel algılama devreleri tasarlanmış ve bu tasarımlar güç tüketimi, çalışma besleme gerilimi ve çıkış frekansı değerleri göz önüne alınarak karşılaştırılmıştır. Salıngaç temelli algılama devreleri 180 nm UMC CMOS Teknolojisi kullanılarak tasarlanmış ve benzetimleri gerçekleştirilmiştir. Ayrıca çıkış frekansının algılayıcı direnç ve sığa değerine bağlı teorik eşitlikleri türetilmiştir. Tasarlanan halka salıngaç tasarımı ile 0,5 V geriliminde başarılı sonuç alınmış ve bu algılayıcının gerilim yükseltici devreler kullanımına ihtiyaç duymadan tek bir tümleşik CMOS fotodiyot ile çalışabilirliği gösterilmiştir.

Anahtar Kelimeler:

optik iletişim, algılayıcı, CMOS, salıngaç

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