Designing a ring-VCO for RFID transponders in 0.18 μ m CMOS process

Jubayer Jalil, Md. Mamun Ibne Reaz, Mohammad Arif Sobhan Bhuiyan, Labonnah Farzana Rahman, Tae Gyu Chang

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

In radio frequency identification (RFID) systems, performance degradation of phase locked loops (PLLs) mainly occurs due to high phase noise of voltage-controlled oscillators (VCOs). This paper proposes a low power, low phase noise ring-VCO developed for 2.42 GHz operated active RFID transponders compatible with IEEE 802.11 b/g, Bluetooth, and Zigbee protocols. For ease of integration and implementation of the module in tiny die area, a novel pseudodifferential delay cell based 3-stage ring oscillator has been introduced to fabricate the ring-VCO. In CMOS technology, 0.18 μm process is adopted for designing the circuit with 1.5 V power supply. The postlayout simulated results show that the proposed oscillator works in the tuning range of 0.5-2.54 GHz and dissipates 2.47 mW of power. It exhibits a phase noise of -126.62 dBc/Hz at 25 MHz offset from 2.42 GHz carrier frequency.

Original languageEnglish
Article number580385
JournalThe Scientific World Journal
Volume2014
DOIs
Publication statusPublished - 2014

Fingerprint

Radio Frequency Identification Device
Transponders
Variable frequency oscillators
Phase noise
Radio frequency identification (RFID)
radio
Electric Power Supplies
Zigbee
Bluetooth
Phase locked loops
Technology
Tuning
Network protocols
Degradation
Networks (circuits)

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)
  • Environmental Science(all)
  • Medicine(all)

Cite this

Designing a ring-VCO for RFID transponders in 0.18 μ m CMOS process. / Jalil, Jubayer; Ibne Reaz, Md. Mamun; Bhuiyan, Mohammad Arif Sobhan; Rahman, Labonnah Farzana; Chang, Tae Gyu.

In: The Scientific World Journal, Vol. 2014, 580385, 2014.

Research output: Contribution to journalArticle

Jalil, Jubayer ; Ibne Reaz, Md. Mamun ; Bhuiyan, Mohammad Arif Sobhan ; Rahman, Labonnah Farzana ; Chang, Tae Gyu. / Designing a ring-VCO for RFID transponders in 0.18 μ m CMOS process. In: The Scientific World Journal. 2014 ; Vol. 2014.
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