DocumentCode :
41238
Title :
500 MHz OOK Transmitter With 22 pj/bit, 38.4% Efficiency Using RF Current Combining
Author :
Kihyun Kim ; Junghee Choi ; Munkyo Seo ; Sangwook Nam
Author_Institution :
Sch. of Electr. Eng. & Comput. Sci., Seoul Nat. Univ., Seoul, South Korea
Volume :
24
Issue :
6
fYear :
2014
fDate :
Jun-14
Firstpage :
424
Lastpage :
426
Abstract :
A 500 MHz On-Off Keying (OOK) transmitter integrated with a high-efficiency wideband power amplifier (PA) is designed for low-power/high-data rate applications. The PA biased in Class C region, employs a bias current-reused and an RF current-combining structure to achieve a high-efficiency and high-data rate. The transmitter is fabricated using a 0.13 μm CMOS process. The chip size is 0.6 mm2 and the measured drain efficiency of the PA reaches 59.5% at 500 MHz with 1.62 dBm output power while consuming only 2.52 mW dc power from a 3 V power supply. The efficiency of the transmitter is 38.4% and the energy usage is 22 pJ/bit at a data rate of 100 Mbps with -0.75 dBm average output power.
Keywords :
CMOS integrated circuits; UHF power amplifiers; amplitude shift keying; low-power electronics; radio transmitters; CMOS process; OOK transmitter; RF current-combining structure; bias current-reused; class C region; efficiency 38.4 percent; efficiency 59.5 percent; frequency 500 MHz; high-data rate applications; high-efficiency wideband power amplifier; low-power applications; on-off keying transmitter; power 2.52 mW; size 0.13 mum; voltage 3 V; Impedance; Power generation; Power measurement; Radio frequency; Semiconductor device measurement; Transmitters; Wireless communication; CMOS power amplifier (PA); Capsule endoscopy; OOK modulation; current combining; current reuse; high efficiency;
fLanguage :
English
Journal_Title :
Microwave and Wireless Components Letters, IEEE
Publisher :
ieee
ISSN :
1531-1309
Type :
jour
DOI :
10.1109/LMWC.2014.2310486
Filename :
6774978
Link To Document :
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