References
[1]. San-Fu Wang, (2015). “Low-Voltage, Full-Swing
Voltage-Controlled Oscillator with Symmetrical Even-
Phase Outputs Based on Single-Ended Delay Cells”. IEEE
Transactions on Very Large Scale Integration (VLSI)
Systems, Vol.23, No.9.
[2]. Y.-S. Hwang, C.-M. Kung, H.-C. Lin, and J.-J. Chen,
(2009). “Low-sensitivity, low-bounce, high-linearity currentcontrolled
oscillator suitable for single-supply mixedmode
instrumentation system”. IEEE Trans. Ultrason.,
Ferroelectr., Freq. Control, Vol.56, No.2, pp.254-262.
[3]. M. Moghavvemi and A. Attatan, (2011). “Recent
advances in delay cell VCOs [application notes]”. IEEE
Microw. Mag., Vol.12, No.5, pp.110-118.
[4]. H. Q. Liu, W. L. Goh, L. Siek, W. M. Lim, and Y. P. Zhang,
(2009). “A low noise multi-GHz CMOS multi loop ring
oscillator with coarse and fine frequency tuning”. IEEE
Trans. Very Large Scale Integr. (VLSI) Syst., Vol.17, No.4,
pp.571-577.
[5]. S. S. A. Saleh and N. Masoumi, (2012). “Wide-tuningrange,
low-phase-noise quadrature ring oscillator
exploiting a novel noise canceling technique”. AEU—Int.
J. Electron. Commun., Vol.66, No.5, pp.372-379.
[6]. B. Razavi, (2002). Design of CMOS Integrated Circuits.
New York, NY, USA: McGraw-Hill.
[7]. C.-L. Yang, C.-L. Tsai, K.-T. Cheng, and S.-H. Chen,
(2012). “Low-invasive implantable devices of low-power
consumption using high-efficiency antennas for cloud
healthcare”. IEEE Trans. Emerg. Sel. Topics Circuits Syst.,
Vol.2, No.1, pp.14-23.
[8]. W.-H. Chen, W.-F. Loke, and B. Jung, (2012). “A 0.5-V,
440-µW frequency synthesizer for implantable medical
devices”. IEEE J. Solid-State Circuits, Vol.47, No.8,
pp.1896-1907.
[9]. P. Vagner and P. Kutin, (2006). “X-band PLL synthesizer”.
Radioeng. -Prague, Vol.15, No.1, pp.13-16.
[10]. H. D. Lee, S.-J. Yun, K.-D. Kim, and J.-K. Kwon, (2010).
“Low-noise wideband PLL with dual-mode ring-VCO”.
Electron. Lett., Vol.46, No.20, pp.1368-1370.
[11]. J. Savoj and B. Razavi, (2001). “A 10-Gb/s CMOS
clock and data recovery circuit with a half-rate linear
phase detector”. IEEE J. Solid-State Circuits, Vol.36, No.5,
pp.761-768.
[12]. Y. Toh and J. A. McNeill, (2003). “Single-ended to
differential converter for multiple-stage single-ended ring
oscillators”. IEEE J. Solid-State Circuits, Vol.38, No.1,
pp.141-145.
[13]. Ali Hajimiri, Sotirios Limotyrakis, and Thomas H. Lee,
(1999). “Jitter and Phase Noise in Ring Oscillators”. IEEE
Journal of Solid-State Circuits, Vol.34, No.6.
[14]. Manisha Saini and Manoj Kumar, (2013). “Differential Ring Voltage Controlled Oscillator-A Review”.
nd 2 International Conference on Emerging Trends in
Engineering and Management, ICETEM.
[15]. K. Sailaja, V. Leela Rani and Sk. Mahammad Akram,
(2013). “Analysis of Leakage Power Reduction Techniques
for Low Power VLSI Design”. International Journal of
Computer Applications, (0975 – 8887), Vol.82, No.18.
[16]. I. C. Hwang, (2012). “A 0.236 mm , 3.99 mW fully
integrated 90 nmCMOS L1/L5 GPS frequency synthesizer
using a regulated ring VCO”. IEEE Microw. Wireless
Compon. Lett., Vol.22, No.6, pp.324-326.
