A 0.25-μm Si-Ge fully integrated pulse transmitter with on-chip loop antenna array towards beam-formability for millimeter-wave active imaging

Nguyen Ngoc Mai Khanh, Masahiro Sasaki, Kunihiro Asada

研究成果: Article

2 引用 (Scopus)

抄録

This paper presents a 100-120-GHz pulse transmitter chip with a 54 × 24 on-chip loop antenna array for the purpose of beamformability in portable millimeter-wave (mm-wave) active imaging applications. We present a new idea for silicon-based mm-wave pulse beamforming by using voltage-varied CMOS inverter chain. This 4-mm×4-mm transmitter chip is designed and fabricated in a 2.5-V 0.25-μm 4-metallayer Si-Ge Bi-CMOS process. The 30-μm × 30-μm loop antenna located on the top-metal layer operates as an coil in an integrated mmwave pulse generator. Each of on-chip pulse generators employing underdamped/ over-damped conditions to produce mm-wave pulses includes an R-L-C circuit, a bipolar junction transistor (BJT) operated as a switch and a CMOS inverter chain circuit for shaping the rising edge of the input clock. Simulation results by ADS 2009 and HSPICE show that loop antenna' inductance and resistance at 80-120-GHz are 51 pH and 3Ω, respectively. A simulation performance of an integrated 13 × 6 loop antenna array illustrates the variation of maximum radiation angles depending on different phase values between array's elements. By using an mm-wave power meter, a 90-140-GHz standard horn antenna and a Schottky diode detector, several measured radiation patterns of this loop antenna array chip are achieved. From the measurement result, we demonstrate the possibility of an integrated mm-wave pulse generator for the purpose of beam-forming by changing power supplies of inverter chains.

元の言語English
ページ(範囲)1626-1633
ページ数8
ジャーナルIEICE Transactions on Electronics
E94-C
発行部数10
DOI
出版物ステータスPublished - 2011 10
外部発表Yes

Fingerprint

Loop antennas
Formability
Antenna arrays
Millimeter waves
Transmitters
Pulse generators
Imaging techniques
Horn antennas
Wave power
Networks (circuits)
Bipolar transistors
Directional patterns (antenna)
Silicon
Beamforming
Inductance
Clocks
Diodes
Metals
Switches
Detectors

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Electronic, Optical and Magnetic Materials

これを引用

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abstract = "This paper presents a 100-120-GHz pulse transmitter chip with a 54 × 24 on-chip loop antenna array for the purpose of beamformability in portable millimeter-wave (mm-wave) active imaging applications. We present a new idea for silicon-based mm-wave pulse beamforming by using voltage-varied CMOS inverter chain. This 4-mm×4-mm transmitter chip is designed and fabricated in a 2.5-V 0.25-μm 4-metallayer Si-Ge Bi-CMOS process. The 30-μm × 30-μm loop antenna located on the top-metal layer operates as an coil in an integrated mmwave pulse generator. Each of on-chip pulse generators employing underdamped/ over-damped conditions to produce mm-wave pulses includes an R-L-C circuit, a bipolar junction transistor (BJT) operated as a switch and a CMOS inverter chain circuit for shaping the rising edge of the input clock. Simulation results by ADS 2009 and HSPICE show that loop antenna' inductance and resistance at 80-120-GHz are 51 pH and 3Ω, respectively. A simulation performance of an integrated 13 × 6 loop antenna array illustrates the variation of maximum radiation angles depending on different phase values between array's elements. By using an mm-wave power meter, a 90-140-GHz standard horn antenna and a Schottky diode detector, several measured radiation patterns of this loop antenna array chip are achieved. From the measurement result, we demonstrate the possibility of an integrated mm-wave pulse generator for the purpose of beam-forming by changing power supplies of inverter chains.",
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AU - Mai Khanh, Nguyen Ngoc

AU - Sasaki, Masahiro

AU - Asada, Kunihiro

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N2 - This paper presents a 100-120-GHz pulse transmitter chip with a 54 × 24 on-chip loop antenna array for the purpose of beamformability in portable millimeter-wave (mm-wave) active imaging applications. We present a new idea for silicon-based mm-wave pulse beamforming by using voltage-varied CMOS inverter chain. This 4-mm×4-mm transmitter chip is designed and fabricated in a 2.5-V 0.25-μm 4-metallayer Si-Ge Bi-CMOS process. The 30-μm × 30-μm loop antenna located on the top-metal layer operates as an coil in an integrated mmwave pulse generator. Each of on-chip pulse generators employing underdamped/ over-damped conditions to produce mm-wave pulses includes an R-L-C circuit, a bipolar junction transistor (BJT) operated as a switch and a CMOS inverter chain circuit for shaping the rising edge of the input clock. Simulation results by ADS 2009 and HSPICE show that loop antenna' inductance and resistance at 80-120-GHz are 51 pH and 3Ω, respectively. A simulation performance of an integrated 13 × 6 loop antenna array illustrates the variation of maximum radiation angles depending on different phase values between array's elements. By using an mm-wave power meter, a 90-140-GHz standard horn antenna and a Schottky diode detector, several measured radiation patterns of this loop antenna array chip are achieved. From the measurement result, we demonstrate the possibility of an integrated mm-wave pulse generator for the purpose of beam-forming by changing power supplies of inverter chains.

AB - This paper presents a 100-120-GHz pulse transmitter chip with a 54 × 24 on-chip loop antenna array for the purpose of beamformability in portable millimeter-wave (mm-wave) active imaging applications. We present a new idea for silicon-based mm-wave pulse beamforming by using voltage-varied CMOS inverter chain. This 4-mm×4-mm transmitter chip is designed and fabricated in a 2.5-V 0.25-μm 4-metallayer Si-Ge Bi-CMOS process. The 30-μm × 30-μm loop antenna located on the top-metal layer operates as an coil in an integrated mmwave pulse generator. Each of on-chip pulse generators employing underdamped/ over-damped conditions to produce mm-wave pulses includes an R-L-C circuit, a bipolar junction transistor (BJT) operated as a switch and a CMOS inverter chain circuit for shaping the rising edge of the input clock. Simulation results by ADS 2009 and HSPICE show that loop antenna' inductance and resistance at 80-120-GHz are 51 pH and 3Ω, respectively. A simulation performance of an integrated 13 × 6 loop antenna array illustrates the variation of maximum radiation angles depending on different phase values between array's elements. By using an mm-wave power meter, a 90-140-GHz standard horn antenna and a Schottky diode detector, several measured radiation patterns of this loop antenna array chip are achieved. From the measurement result, we demonstrate the possibility of an integrated mm-wave pulse generator for the purpose of beam-forming by changing power supplies of inverter chains.

KW - Array antenna

KW - Integrated circuit

KW - Loop antenna

KW - Millimeter-wave

KW - Pulse transmitter

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