Design and EM-simulation of MIM capacitor

Beeresha, R S; Khan, A. M.; Reddy, Harshith

doi:10.1109/icecds.2017.8389726

Cited by 3 publications

(3 citation statements)

References 14 publications

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“…A strong electric field around the meander line tag is observed at two frequency responses (751 and 838 MHz) when MUT is ice and air respectively. The InterDigital Capacitor (IDC), placed in the centre of the meander line antenna, is considered as a lump element structure with multiple long conductive strips with small gap [21]. Simulation model of the proposed tag without IDC and with two different dimensions of IDC were performed.…”

Section: Discussionmentioning

confidence: 99%

Compact Chipless RFID Sensor for Frozen Food Monitoring

Bui,

Quinn,

Iacopino

et al. 2024

IEEE Sensors J.

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Chipless RFID sensor is currently one of the most promising sensor designs, especially in food safety sector, because it has a robust structure and is inexpensive for mass production. This paper proposes a simple, compact, and low-cost chipless RFID sensor tag for frozen food monitoring. The system consists of an interrogator antenna, which is an antipodal Vivaldi antenna, and a chipless RFID sensor tag inside a flat container that contains a small quantity of ice. When receiving power from the interrogator antenna, the sensor alters the frequency of the reflected signal if the ice melts. One of three states of the material in the container can be detected, i.e. ice, water, and air (empty container). The peak of the frequency response exhibits distinctively narrow 3-dB bandwidth of 35 -49 MHz, allowing multiple sensors to operate simultaneously within limited bandwidth and space; Peak center frequency is observed at 751 MHz or 838 MHz, for respectively ice and air, with no peak present for water. The system is simulated, analysed, and verified by measuring in free open space in a realistic environment. The measurement for ice melting over time is also measured and shown that frequencies of the peaks are slowly decreasing during the first 10 minutes after defrost and completely disappears after 15 minutes. The resonant peak reappears at 826 MHz after the tag is completely dry. A good tolerance to the background is also found when complex dielectric material is placed next to the sensor.

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Section: Discussionmentioning

confidence: 99%

Compact Chipless RFID Sensor for Frozen Food Monitoring

Bui,

Quinn,

Iacopino

et al. 2024

IEEE Sensors J.

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“…However, the parasitic effects of passive components in the mm-Wave band are still a critical challenge. The large MIM capacitors fabricated in the CMOS process usually feature low self-resonance frequencies, and the Q-factor of capacitor is inversely proportional to the operation frequency [20]. Consequently, distributed structures like CPW lines and microstrip (MST) lines are preferred in mm-Wave circuits.…”

Section: Cpw Matching Network With Dc-blocking Capacitorsmentioning

confidence: 99%

“…process usually feature low self-resonance frequencies, and the Q-factor of capacitor is inversely proportional to the operation frequency [20]. Consequently, distributed structures like CPW lines and microstrip (MST) lines are preferred in mm-Wave circuits.…”

Section: Cpw Matching Network With Dc-blocking Capacitorsmentioning

confidence: 99%

A 28 GHz Linear Power Amplifier Based on CPW Matching Networks with Series-Connected DC-Blocking Capacitors

Xia

Huang

et al. 2020

Electronics

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In this paper, the influence of the DC-blocking capacitors leveraged in coplanar waveguide (CPW) matching networks is studied. CPW matching networks with series-connected DC-blocking capacitors are less sensitive to capacitance and are adopted in a 28 GHz power amplifier (PA). The PA targeting fifth-generation (5G) phased array is developed in 90 nm silicon-on-insulator complementary-metal-oxide-semiconductor (SOI CMOS) technology. A stacked field-effect-transistor (FET) architecture is elected in the output stage to boost the output power and reduce the die area. The PA with a core area of 0.31 mm2 demonstrates a maximum small signal gain of 13.7 dB and a −3 dB bandwidth of 6.3 GHz (22.9–29.2 GHz). The PA achieves a measured saturated output power (Psat) of 14.4 dBm and a peak power added efficiency (PAE) of 25% for continuous wave signals. At 24/25.6/28 GHz, the PA achieves +7.87/+9.16/+10.7 dBm measured output power and 6.21%/8.11%/10.17% PAE at −25 dBc error vector magnitude(EVM) for a 250 MHz-wide 64-quadrature amplitude modulation (64-QAM). The developed linear PA provides a great potential for low-cost 5G phased array transceivers.

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Defect Localization on MIM Capacitor Array by Circuit Edit using Focused-Ion Beam (FIB)

Deligente¹

2020

2020 IEEE International Symposium on the Physical and Failure Analysis of Integrated Circuits (IPFA)

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Design and EM-simulation of MIM capacitor

Cited by 3 publications

References 14 publications

Compact Chipless RFID Sensor for Frozen Food Monitoring

Compact Chipless RFID Sensor for Frozen Food Monitoring

A 28 GHz Linear Power Amplifier Based on CPW Matching Networks with Series-Connected DC-Blocking Capacitors

Defect Localization on MIM Capacitor Array by Circuit Edit using Focused-Ion Beam (FIB)

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