Flat passband gain design algorithm for 2nd-order RC polyphase filter

This paper describes a design algorithm of a 2nd-order RC polyphase filter to obtain its flat passband gain. The condition for its solution is shown and the image rejection ratio formula is also derived. Its effectiveness is demonstrated by numerical calculation in several cases.

[1]  Asad A. Abidi,et al.  CMOS mixers and polyphase filters for large image rejection , 2001, IEEE J. Solid State Circuits.

[2]  K. Martin,et al.  Complex signal processing is not-complex , 2003, The 2004 47th Midwest Symposium on Circuits and Systems, 2004. MWSCAS '04..

[3]  Toshiro Tsukada,et al.  A Second-Order Multibit Complex Bandpass DeltaSigmaAD Modulator with I, Q Dynamic Matching and DWA Algorithm , 2007, IEICE Trans. Electron..

[4]  T. Kitahara,et al.  Explicit transfer function of RC polyphase filter for wireless transceiver analog front-end , 2002, Proceedings. IEEE Asia-Pacific Conference on ASIC,.