Current Mode All-Pass Filter Using a Single CDBA and Its Application
Yükleniyor...
Tarih
2009
Yazarlar
Dergi Başlığı
Dergi ISSN
Cilt Başlığı
Yayıncı
Beykent Üniversitesi
Erişim Hakkı
Özet
A current-mode all-pass filter configuration is proposed in this paper. The proposed circuit consists of a current differencing buffered amplifier (CDBA), one resistor and capacitor. Since the output of the filter exhibits low output impedance, the synthesized filter can be cascaded without additional buffers. Moreover, the proposed circuit is insensitive to parasitic input capacitances and resistances due to internally grounded input terminals of CDBA. Furthermore, it does not impose any component matching constraint in analog signal processing circuits. To explore the performance of the proposed filter structure, a new current-mode quadrature oscillator which has minimum number of passive components is implemented. The performances of the proposed all pass filter as well as the quadrature oscillator are also investigated by applying sensitivity analysis to the both proposed circuits. Finally the theoretical results are verified with PSPICE simulations using a CMOS realization of CDBA.
Açıklama
Anahtar Kelimeler
Current mode filters, All-pass filter, integrator, CDBA, Quadrature oscillator, Sensitivity analysis
Kaynak
WoS Q Değeri
Scopus Q Değeri
Cilt
Sayı
Künye
Journal of Science and Technology 3 (2), 2009, 165 – 172
