Design and Implementation of High Speed all Pass Transformation Based Variable Digital Filters

International Journal of Electronics and Communication Engineering

© 2017 by SSRG - IJECE Journal

Volume 4 Issue 4

Year of Publication : 2017

Authors : Vishnuvardhan Reddy Yennam and Hannah pauline

10.14445/23488549/IJECE-V4I4P110

How to Cite?

Vishnuvardhan Reddy Yennam and Hannah pauline, "Design and Implementation of High Speed all Pass Transformation Based Variable Digital Filters," SSRG International Journal of Electronics and Communication Engineering, vol. 4,  no. 4, pp. 48-53, 2017. Crossref, https://doi.org/10.14445/23488549/IJECE-V4I4P110

Abstract:

 All pass transformation based variable digital filters are filters which gives variable frequencies by controlling small set of parameters when this variable digital filters has no control over cut off frequency then all pass transformation is used. All pass filters are replaced in place of delay elements of a prototype filter structure. The resultant filter provides variable frequency with control over cut off frequency and higher operating frequency, without updating filter coefficients. In this we review the first and second order all pass filter are designed using RLC circuit using cadence tool with 180nm technology these filters provides same magnitude as input it provides unity gain with a phase shift at the output.

Keywords:

All pass transformation (APT) Variable digital filter(VDF).

References:

[1] Abhishek Ambede And ,A.P. Vinod "Design And Implementation Of High Speed All-Pass Transformationbased Variable Design Filters By Breaking The Dependence Of Operating Frequency On Filter Order “Ieee Transactions On Very Large Scale Integration (Vlsi) Systems, Vol. 24, No. 5, May 2016. [2] A. Ambede, K. G. Smitha, And A. P. Vinod, “A Modified Coefficient Decimation Method To Realize Low Complexity Fir Filters With Enhanced Frequency Response Flexibility And Passband Resolution,” In Proc. 35th Int. Conf. Tsp, Prague, Czech Republic, Jul. 2012, Pp. 658–661. [3] A. Ambede And A. P. Vinod, “Design Of Low Complexity Variable Digital Filters Using First Order All Pass Transformation And Improved Coefficient Decimation Method,” In Proc. 2nd Int. Conf. Devices, Circuits Syst., Combiatore, India, Mar. 2014, Pp. 1–5.
[4] A. Ambede And A. P. Vinod, “Design Of Low Complexity Variable Digital Filters Using First Order All Pass Transformation And Improved Coefficient Decimation Method,” In Proc. 2nd Int. Conf. Devices, Circuits Syst., Combiatore, India, Mar. 2014, Pp. 1–5.