Transcript
  • THE INSTITUTE OF ELECTRONICS, IEICE Technical Report INFORMATION AND COMMUNICATION ENGINEERS WPT2012-50(2013-03)

    This article is a technical report without peer review, and its polished and/or extended version may be published elsewhere.

    24GHz MMIC † † † ‡ ‡

    † 611-0011

    ‡NTT 239-0847 1-1 E-mail: †{k-hatano, shino, mitani}@rish.kyoto-u.ac.jp ‡{seki.tomohiro, kawashima.munenari}@lab.ntt.co.jp

    24GHz24GHz MMIC F

    2.3mm2 194mW 120 48.0%MMIC 2×2 MMIC

    24GHz MMIC

    Development of 24GHz-Band MMIC Rectenna Ken HATANO† Naoki SHINOHARA† Tomohiko MITANI†

    Tomohiro SEKI‡ Munenari KAWASHIMA‡

    †Research Institute for Sustainable Humanosphere, Kyoto University Gokasho, Uji-shi, Kyoto, 611-0011 Japan

    ‡NTT Network Innovation Laboratories, NTT corporation 1-1Hikarinooka, Yokosuka-shi, Kanagawa, 239-0847 Japan E-mail: †{k-hatano, shino, mitani}@rish.kyoto-u.ac.jp

    ‡{seki.tomohiro, kawashima.munenari}@lab.ntt.co.jp Abstract Microwave Power Transmission (MPT) in high frequency is essential to broaden a range of MPT applications. Our

    research group has developed discrete 24GHz-band rectifier. In this paper, we developed small-sized MMIC 24GHz-band rectifier. We adopted class-F load as an output filter, and the area of the MMIC rectifier was 2.3mm2. We obtained the RF-dc conversion efficiency of 48.0% when the input power was 194mW and the resistive load was 140 . We fabricated patch antenna with the Teflon substrate and developed an MMIC-mounted rectenna. We conducted a 24GHz MPT experiment with a 2×2 MMIC-mounted rectenna array, and succeeded motor drive by 24GHz MPT.

    Keyword Microwave Power Transmission, rectifier, MMIC 1.

    3

    1

    /

    /

    2.4GHz 5.8GHzISM 24GHz 24GHz

    100%[1][2]

    FF

    [3][4]

    -51-

  • 24GHzMMIC

    MMIC

    1

    2. MMIC ADS 24GHz F

    2.1. F

    03

    [3] ADS F2 2 F

    2 /4

    S 3 2|S21 |= 35.7dB |S21 |= 37.0dB2

    69GHz3 72GHz |S21 |=

    8.96dB 2 |S21 |

    2 F1 Zin 4

    mag(Zin)=3.54×103

    2 mag(Zin)=7.653

    mag(Zin)=269 3/4

    72GHz |S21 | mag(Zin)

    2 F

    2 F

    3 F S

    4 F

    2.2. 2.1 F MMIC

    5

    -52-

  • F 12 2

    6 2.3mm2

    5 MMIC

    6 MMIC

    3. MMIC

    30mW7

    7 ADS

    120

    8 7

    194mW 48.0%5 9 9

    120

    7 30mW

    8 120

    9 5

    4. MMIC 24GHz

    MMIC MMIC24GHz

    -53-

  • 4.1. MMIC 0.2mm 2.6 tan =0.002

    NPC-F260AMMIC MMIC10 MMIC

    MMIC5

    10 MMIC

    4.2. 24GHz MMIC 11 2×

    24

    02MABUCHI RF-500TBATM Model No.42-442-6

    790mW2.47mW

    7

    124.86mW

    11 MMIC

    12

    5.

    MMIC24GHz F MMIC

    2.3mm2

    194mW120 48.0%

    MMIC MMIC4 MMIC

    24GHz

    [1] R. J. Gutmann and J. M. Borrego, “Power Combining

    in an Array of Microwave Power Rectifier, ” IEEE Trans. MTT, Vol. 27, No. 12 pp. 958-968, 1979.

    [2] , “, ” 58

    ( (B)), pp. 27-38, Nov. 1984.

    [3] K. Hatano, N, Shinohara, T. Mitani, T. Seki, M. Kawashima, Development of Improved 24GHz-band Class-F Load Rectennas, Microwave Workshop Series on Innovative Wireless Power Transmission: Technologies, Systems, and Applications (IMWS), 2012 IEEE MTT-S International, pp163-166, May 2012.

    [4] , , , “24GHz

    ” MW2012-131, pp.25-30 Dec. 2012.

    -54-


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