Design of a band-pass filter in 0,18 μm CMOS for 2,4 GHz reader-less RFID transponder

Abstract

Original scientific paper Radio Frequency Identification (RFID) based systems are ubiquitous nowadays. Band pass filters always play an important role in overall performance of an RFID transponder. In this paper, a band pass filter with a transistor only active inductor is presented for compact high performance reader-less RFID transponder. Post layout simulation result reveals that the centre frequency of the filter can be set to 2,42 GHz frequency with a bandwidth of 38 MHz. The filter core occupies an area of 0,004 mm 2 and dissipates only 1,3 mW at 1,5 V supply voltage. CEDEC 0,18 µm CMOS technology in Mentor Graphics environment has been used for the design of the proposed filter. Keywords: active inductor; band-pass filter; CMOS (Complementary Metal-Oxide Semiconductor); RFID (Radio Frequency Identification)Dizajn pojasnog filtra u 0,18 μm CMOS za 2,4 GHz RFID transponder bez čitača Izvorni znanstveni članak Sustavi temeljeni na Radio Frequency Identification (RFID) sada su široko rasprostranjeni. Pojasno fazni filtri igraju važnu ulogu u funkcioniranju RFID transpondera. U ovom radu, pojasno fazni filtar s induktorom aktivnim samo s tranzistorom prikazan je za kompaktni RFID transponder bez čitača visokih performansi. Rezultat simulacije rasporeda otkriva da središnja frekvencija filtra može biti postavljena na frekvenciju od 2,42 GHz sa širinom pojasa od 38 MHz. Jezgra filtra zauzima površinu od 0,004 mm 2 i gubi samo 1,3 mW kod napona napajanja od 1,5 V. Predloženi filtar dizajniran je pomoću CEDEC 0,18 μm CMOS tehnologije u Mentor Graphics okruženju. Ključne riječi: aktivni induktor; pojasno fazni filtar; CMOS (dopunski metalno oksidni poluvodič); RFID (radio frekvencijska identifikacija)

CMOS series-shunt single-pole double-throw transmit/receive switch and low noise amplifier design for internet of things based radio frequency identification devices

“…Regardless of the versatile opportunities, RFID is yet to overcome the obstruction of reader specific solutions and higher cost for widespread IoT application. In order to abolish the vendor specific unwanted operational cost, a state-ofthe-art RFID communication system, by adopting IEEE 802.11b protocol, has been advised in which the wireless network interface cards can be a replacement of the typical RFID reader using future IPV6 concept [2][3]. Therefore, it is expected that a universal RFID communication will be available at very cheap price for widespread IoT application.…”