Memristor-Based Amplifiers with Non-Inverting and Inverting Gains

Yıl 2018, Cilt: 8 Sayı: 2, 113 - 118, 20.02.2019

Ertuğrul Karakulak Reşat Mutlu Erdem Uçar

Öz

Memristors, which are nonlinear circuit elements, have a big potential to design analog circuits that can not be made using linear time-invariant circuit elements. In literature, some analog circuit applications such as memristor based filter and amplifier circuits have already been examined. Opamp based amplifiers has either negative or positive gains. Memristor-based inverting and non-inverting amplifiers have also been inspected in literature. In this study, for the first time in literature, it is shown how to make a new memristor-based amplifier which can give not only positive but also negative gains. 

Anahtar Kelimeler

Memristor, Memristive Systems, Programmable Amplifiers

Memristör Tabanlı Negatif-Pozitif Kazanç Devresi

Öz

Memristörler doğrusal devre elemanları kullanılarak yapılamayacak bazı
analog uygulamalar için büyük bir potansiyel vaat eden non-lineer devre
elemanlarıdır. Literatürde şu anda memristör tabanlı filtreler ve yükselteçler
gibi analog uygulama çalışmaları mevcuttur. Opamplar yükselteç olarak en yaygın
kullanılan tümleşik devre elemanlarıdır. Opamp tabanlı yükselteçlerden pozitif
kazanca sahip olanlar evirmeyen ve bunlardan negatif kazanca sahip olanlar
eviren yükselteçler olarak isimlendirilmektedirler. Eviren ve evirmeyen
memristor tabanlı yükselteçler üzerine de literatürde bazı çalışmalar
yapılmıştır. Bu çalışmada, literatürde bir ilk olarak, hem negatif hem de pozitif
kazanç verebilen, opamplı ve memristor tabanlı bir devre incelenmiştir.

Anahtar Kelimeler

Memristör, Memristif Sistemler, Programlanabilir yükselteçler

Kaynakça

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