1. Thomann, W., Fenk, J., Hagelauer, R., & Weigel, R. (2003). Transceiver architectures for W-CDMA mobile terminal applications. e&i Elektrotechnik und Informationstechnik, 120(3), 91–97.
2. Mak, P. I., Seng-Pan, U., & Martins, R. P. (2004). A low-IF/zero-IF reconfigurable receiver with two-step channel selection technique for multistandard applications. In Proceedings of the 2004 International Symposium on Circuits and Systems, May 2004 (Vol. 4, pp. 417–20).
3. Balankutty, A., Yu, S. A., Feng, Y., & Kinget, P. R. (2010). A 0.6-V zero-IF/low-IF receiver with integrated fractional-N synthesizer for 2.4-GHz ISM-band applications. IEEE Journal of Solid-State Circuits, 45(3), 538–553.
4. Zhang, L., Kim, H., Nadig, V., & Ismail, M. (2006). A 1.8V tri-mode modulator for GSM/WCDMA/WLAN wireless receiver. Analog Integrated Circuits and Signal Processing, 49(3), 323–341.
5. Mak, P. I., Seng-Pan, U., & Martins, R. P. (2006). A 1 V 14 mW-per-channel flexible-IF CMOS analog-baseband IC for 802.11a/b/g receivers. In Digest of Technical Papers. Symposium on VLSI Circuits (pp. 234–235).