1. York, R. A., & Itoh, T. (1998). Injection- and phase-locking techniques for beam control. IEEE Transactions on Microwave Theory and Techniques, 46(11), 1920–1929.
2. Varonen, M, Kaltiokallio, M, Saari, V, Viitala, O, Kärkkäinen, M, Lindfors, S, Ryynänen, J, & Halonen, K. A. I. (2009). A 60-GHz CMOS receiver with an on-chip ADC, IEEE. Radio frequency integrated circuits symposium, RFIC (pp. 445–448).
3. Balanis, C. A. (2005). Antenna theory analysis and design (3rd ed.). Hoboken: Wiley.
4. Koul, S. K., & Bhat, B. (1991). Microwave and millimeter-wave phase shifters (Vol. 1). Norwood, MA: Artech House.
5. Miyaguchi, K. (2001). An ultra-broad-band reflection-type phase-shifter mmic with series and parallel LC circuits. IEEE Transactions of Microwave Theory Techniques, 49(12), 2446–2452.