论文信息 - Implement an all in one 315MHz ASK UHF receiver

Implement an all in one 315MHz ASK UHF receiver

An all in one integrated 315MHz ASK UHF receiver is proposed in this paper. This receiver has several characteristics, first RF-in data-out all in one function, second without any spiral inductor and final filter all on chip (Crols et al., 1995; Wilson et al. 1991). We design a monolithic ultra-high frequency (UHF) receiver including RF front-end, intermediate-frequency (IF) stage and base-band stage. The RF front-end end include single end low-noise amplifier (LNA) without on-chip spiral inductors and a mixer which down-converters the LNA output to 2.25MHz IF. The IF stage includes 1MHz band pass filter, variable-gain amplifier (VGA), automatic gain control (AGC) loop and peak detector. The base-band stage includes on-off keying (OOK) demodulator and slicing comparator to output digital signal. The UHF receiver was implemented in a UMC 0.5/spl mu/m CMOS process. The receiver sensitivity is -73dBm and 2.4kbits data rate. The chip consumes 13mA and size in 1370/spl times/1370/spl mu/m/sub 2/. In the future, we will increase the sensitivity to -100dbm, then this receiver will be manufactured into product. Thus, the design of a high sensitivity and low cost UHF receiver will be the most important area for the future work.

Yang-Han Lee | Chao-Chung Huang | Jiann-Jong Chen | Cheng-Ming Shih | Hsuan-Fan Chen

[1] Howard C. Luong,et al. A high-Q and wide-dynamic-range 70 MHz CMOS bandpass filter for wireless receivers , 2001 .

[2] Michiel Steyaert,et al. A single-chip 900 MHz CMOS receiver front-end with a high performance low-IF topology , 1995, IEEE J. Solid State Circuits.

[3] Yannis Tsividis,et al. Integrated continuous-time filter design - an overview , 1994, IEEE J. Solid State Circuits.

[4] Hossein Hashemi,et al. Concurrent multiband low-noise amplifiers-theory, design, and applications , 2002 .

[5] K. Lampaert,et al. A design system for RFIC: challenges and solutions , 2000, Proceedings of the IEEE.

[6] E. Foster,et al. Active low-pass filter design , 1965 .

[7] John Francis Wilson,et al. A single-chip VHF and UHF receiver for radio paging , 1991 .

[8] Behzad Razavi. CMOS technology characterization for analog and RF design , 1999 .

[9] Robert G. Meyer,et al. PRINCIPLES OF MONOLITHIC WIDEBAND FEEDBACK AMPLIFIER DESIGN , 1992 .

[10] K. Mayaram,et al. A comparative analysis of CMOS low noise amplifiers for RF applications , 1998, ISCAS '98. Proceedings of the 1998 IEEE International Symposium on Circuits and Systems (Cat. No.98CH36187).