วงจรจำลองค่าความต้านทานแบบลบที่ผันแปรตามความถี่โดยใช้ CDTRA และการประยุกต์ใช้งานในวงจรกำเนิดสัญญาณ
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บทคัดย่อ
บทความนี้นำเสนอ วงจรจำลองค่าความต้านทานแบบลบที่ผันแปรตามความถี่ (FDNR) โดยใช้อุปกรณ์ CDTRA เป็นอุปกรณ์แอคทีฟหลัก ต่อร่วมกันกับอุปกรณ์พาสซีฟแบบลอยอีก 4 ตัว วงจรที่นำเสนอสามารถควบคุมค่าอิมพีแดนซ์ของวงจรได้ด้วยการกำหนดค่าที่อุปกรณ์พาสซีฟ อีกทั้งวงจรมีผลกระทบต่ำเมื่ออุณหภูมิรอบข้างเปลี่ยนแปลง ทำให้สามารถนำเอาวงจรไปใช้ในงานที่มีการเปลี่ยนแปลงของอุณหภูมิได้เป็นอย่างดี ด้วยโครงสร้างของวงจรไม่ซับซ้อนจึงเหมาะสมที่จะนำไปสร้างเป็นวงจรรวม นอกจากนี้ยังได้นำเสนอการประยุกต์ใช้งานวงจรที่สังเคราะห์ขึ้นในวงจรกำเนิดสัญญาณรูปคลื่นซายน์ ผลการจำลองการทำงานด้วยโปรแกรม PSpice พบว่าวงจรทำงานได้สอดคล้องกับที่คาดการณ์ไว้ในทฤษฎี
Article Details
บท
บทความวิจัย ด้านวิศวกรรมศาสตร์
บทความที่ลงตีพิมพ์เป็นข้อคิดเห็นของผู้เขียนเท่านั้น
ผู้เขียนจะต้องเป็นผู้รับผิดชอบต่อผลทางกฎหมายใดๆ ที่อาจเกิดขึ้นจากบทความนั้น
References
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[3] G. Ferri and N. C. Guerrini, Low-voltage lowpower CMOS current conveyors. London: Kluwer Academic Publishers, 2003.
[4] E. Yuce, S. Minaei, and O. Cicekoglu, “Resistorless floating immitance function simulators employing current controlled conveyors and grounded capacitor,” Electrical Engineering, vol. 88, pp. 519–525, 2006.
[5] D. Sasan and S. Jayalalitha, “Frequency dependent negative resistance-A review,” Research Journal of Applied Sciences, Engineering and Technology, vol. 4, pp. 2988–2994, 2012.
[6] I. V. Prodanov and M. M. Green, “A current-mode FDNR circuit element using capacitive gyrators,” in Proceedings of the 1994 IEEE international symposium on circuits and systems, London, UK, 1994, pp. 409–412.
[7] S. Nandi, P. B. Jana, and R. Nandi, “Novel floating ideal tunable FDNR simulation using current conveyors,” IEEE Trans Circuits System, vol. 31, no. 4, pp. 402–403, 1984.
[8] M. Higashimura and Y. Fukui, “Novel lossless tunable floating FDNR simulation using two current conveyors and a buffer,” Electron Letter, vol. 22, pp. 938–939, 1986.
[9] E. Yuce, O. Cicekoglu, and S. Minaei, “Novel floating inductance and FDNR simulators employing CCII+s,” Journal of Circuits Systems and Computers, vol. 15, no. 1, pp. 75–81, 2006.
[10] I. V. Prodanov and M. M. Green, “A current-mode FDNR circuit element using capacitive gyrators,” in Proceedings of the 1994 IEEE international symposium on circuits and systems, London, UK, 1994, pp. 409–412.
[11] F. Kacar and H. Kuntman, “On the realization of the FDNR simulators using only a single current feedback operational amplifier,” in Proceedings International conference on electrical and electronics engineering 2009, 5–8 November 2009, pp. 223–226.
[12] A. Gupta, R. Senani, D. R. Bhaskar, and A. K. Singh, “OTRA-based grounded-FDNR and groundedinductance simulators and their applications,” Circuits System Signal Process, no. 31, pp. 489–499, 2012.
[13] F. Kacar and H. Kuntman, “Novel electronically tunable FDNR simulator employing single FDCCII,” in Proceedings European conference on circuit theory and design (ECCTD), 23–27 August 2009, pp. 21–24, 2009.
[14] U. E. Ayten, M. Sagbas, N. Herencsar, and J. Koton, “Novel floating general element simulators using CBTA,” Radioengineering, vol. 21, pp. 11–19, 2012.
[15] A. Jantakun, “A simple grounded FDNR and capacitance simulator based-on CCTA,” International Journal of Electronics and Communications, vol. 69, pp. 950–957, 2015.
[16] P. Mongkolwai and W. Tangsrirat, “Generalized impedance function simulator using voltage differencing buffered amplifiers (VDBAs),” in Proceeding of International Multiconference of Engineers and Computer Scientists 2016, 2016, vol. 2.
[17] M. Siripruchyanun, N. Poonnoy, C. Upathamkuekool, and K. Payakkakul, “Current differencing transresistance amplifier (CDTRA) and its application for analog signal processing,” Procedia Computer Science, vol. 86, pp. 184–187, 2016.
[18] D. R. Frey, “Log-domain filtering: an approach to current-mode filtering,” IEE Proceedings G (Circuits, Devices and Systems), vol. 140. pp. 406–416, 1993.
[19] V. Springl, W. Jaikla, and M. Siripruchyanun, “Floating positive/negative resistance simulators employing single dual-output OTA,” in Proceedings International Symposium on Communications and Information Technologies 2006, 2006, pp. 352–355.
[2] M. Siripruchyanun, “A temperature-insensitive sinusoidal oscillator with using principle of voltage to current conversion based DO-CCTA,” The Journal of King Mongkut’s University of Technology North Bangkok, vol. 26, no. 2, pp.186–196, 2016 (in Thai).
[3] G. Ferri and N. C. Guerrini, Low-voltage lowpower CMOS current conveyors. London: Kluwer Academic Publishers, 2003.
[4] E. Yuce, S. Minaei, and O. Cicekoglu, “Resistorless floating immitance function simulators employing current controlled conveyors and grounded capacitor,” Electrical Engineering, vol. 88, pp. 519–525, 2006.
[5] D. Sasan and S. Jayalalitha, “Frequency dependent negative resistance-A review,” Research Journal of Applied Sciences, Engineering and Technology, vol. 4, pp. 2988–2994, 2012.
[6] I. V. Prodanov and M. M. Green, “A current-mode FDNR circuit element using capacitive gyrators,” in Proceedings of the 1994 IEEE international symposium on circuits and systems, London, UK, 1994, pp. 409–412.
[7] S. Nandi, P. B. Jana, and R. Nandi, “Novel floating ideal tunable FDNR simulation using current conveyors,” IEEE Trans Circuits System, vol. 31, no. 4, pp. 402–403, 1984.
[8] M. Higashimura and Y. Fukui, “Novel lossless tunable floating FDNR simulation using two current conveyors and a buffer,” Electron Letter, vol. 22, pp. 938–939, 1986.
[9] E. Yuce, O. Cicekoglu, and S. Minaei, “Novel floating inductance and FDNR simulators employing CCII+s,” Journal of Circuits Systems and Computers, vol. 15, no. 1, pp. 75–81, 2006.
[10] I. V. Prodanov and M. M. Green, “A current-mode FDNR circuit element using capacitive gyrators,” in Proceedings of the 1994 IEEE international symposium on circuits and systems, London, UK, 1994, pp. 409–412.
[11] F. Kacar and H. Kuntman, “On the realization of the FDNR simulators using only a single current feedback operational amplifier,” in Proceedings International conference on electrical and electronics engineering 2009, 5–8 November 2009, pp. 223–226.
[12] A. Gupta, R. Senani, D. R. Bhaskar, and A. K. Singh, “OTRA-based grounded-FDNR and groundedinductance simulators and their applications,” Circuits System Signal Process, no. 31, pp. 489–499, 2012.
[13] F. Kacar and H. Kuntman, “Novel electronically tunable FDNR simulator employing single FDCCII,” in Proceedings European conference on circuit theory and design (ECCTD), 23–27 August 2009, pp. 21–24, 2009.
[14] U. E. Ayten, M. Sagbas, N. Herencsar, and J. Koton, “Novel floating general element simulators using CBTA,” Radioengineering, vol. 21, pp. 11–19, 2012.
[15] A. Jantakun, “A simple grounded FDNR and capacitance simulator based-on CCTA,” International Journal of Electronics and Communications, vol. 69, pp. 950–957, 2015.
[16] P. Mongkolwai and W. Tangsrirat, “Generalized impedance function simulator using voltage differencing buffered amplifiers (VDBAs),” in Proceeding of International Multiconference of Engineers and Computer Scientists 2016, 2016, vol. 2.
[17] M. Siripruchyanun, N. Poonnoy, C. Upathamkuekool, and K. Payakkakul, “Current differencing transresistance amplifier (CDTRA) and its application for analog signal processing,” Procedia Computer Science, vol. 86, pp. 184–187, 2016.
[18] D. R. Frey, “Log-domain filtering: an approach to current-mode filtering,” IEE Proceedings G (Circuits, Devices and Systems), vol. 140. pp. 406–416, 1993.
[19] V. Springl, W. Jaikla, and M. Siripruchyanun, “Floating positive/negative resistance simulators employing single dual-output OTA,” in Proceedings International Symposium on Communications and Information Technologies 2006, 2006, pp. 352–355.