A new multi-input single-output voltage-mode universal biquadratic filter with grounded passive elements and orthogonally adjustable filter parameters

Abstract

A novel multiple-input, single-output (MISO) Voltage-Mode (VM) analog filter configuration composed of two plus-type differential voltage current conveyors (DVCC+) as active components moreover two capacitors and three resistors as passive elements is proposed in this paper. By selecting input voltage nodes in different orders, it is able to provide all five standard second-order filter responses in one topology. Also, it does not need any passive element matching condition; so the proposed filter is suitable for integrated circuit (IC) design. Further, it offers orthogonal control of quality factor (Q) and angular frequency (ω0), can be adjusted electronically. Further, to confirm the theoretical analysis, simulation results are investigated. TSMC 0.13 µm process parameters is applied to the circuit and voltage sources are selected as ±0.75 V and 0.2 V for VB , in this case the power consumption is found as 0.65 mW.

Keywords

• DVCC+
• Analog filter
• Voltage-Mode
• Multiple input-single output filter
• Universal biquadratic filter

Topraklanmış pasif elemanlar ve dikey olarak ayarlanabilir filtre parametrelerine sahip yeni bir çok-girişli tek-çıkışlı gerilim modlu evrensel bikuadratik filtre

Öz

Bu çalışmada, yalnızca iki artı tipli gerilim farkı alan akım taşıyıcı (DVCC+), iki kapasitör ve üç direnç kullanarak, tek bir topolojide ikinci derece filternin standart beş farklı tepkisinin tamamını sağlayabilecek çok girişli, tek çıkışlı gerilim modlu evrensel biquadratic filtre devresi önerilmiştir. Önerilen devre, pasif eleman eşleştirme şartından bağımsızdır. Bu nedenle, Entegre Devre Teknolojisi (IC) için uygundur. Ayrıca, kalite faktörü (Q) ve açısal frekansın (ω0) dikey olarak kontrol edilmesi mümkün olup, elektronik olarak ayarlanabilirdir. Ayrıca, teorik analizleri doğrulamak amacıyla benzetim PSPICE simülasyon sonuçları incelenmiştir. Devre, TSMC 0.13 µm işlem parametreleri kullanılarak gerçekleştirilmiş ve gerilim kaynakları ±0.75 V ile VB için 0.2 V olarak seçilmiştir. Bu durumda güç tüketimi 0.65 mW olarak bulunmuştur.

Anahtar Kelimeler

• DVCC+
• Analog filtre
• Gerilim-Modlu
• Çok girişli- tek çıkışlı filtre
• Evrensel bikuadratik filtre

Kaynakça

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