Sonnet - -[1] Sonnet Sonnet Sonnet Sonnet Sonnet SONNET [2]

Sonnet 30 7 28

Sonnet - -[1] Sonnet Sonnet Sonnet Sonnet Sonnet SONNET [2]

1 3 1.1............................................... 3 1.1.1........................................... 3 1.1.2.................................. 3 1.2........................................ 4 1.2.1................................. 4 1.2.2................................... 4 1.2.3.................................. 5 1.2.4............................. 5 1.2.5............................ 6 1.3............................................. 6 1.3.1............................... 6 1.3.2............................... 6 1.3.3...................................... 7 1.3.4.............................. 7 1.3.5...................................... 8 1.4........................................... 8 1.4.1.......................................... 8 1.4.2................................... 9 1.4.3...................................... 9 1.4.4........................................... 9 1.5............................................. 10 2 11 2.1............................................... 11 2.1.1........................................... 11 2.1.2..................................... 11 2.1.3 Sonnet........................... 11 2.2 -...................................... 11 2.3............................................. 12 2.3.1........................................ 12 2.3.2................................... 12 2.3.3....................................... 15 1

2.3.4 Number of Cells....................................... 16 2.3.5 Speed/Memory........................................ 16 2.4.............................................. 16 2.4.1 De-Embedding..................................... 16 2.4.2..................................... 17 2.4.3...................................... 17 2.4.4 De-Embedding................................. 18 2.5 :patvu........................................... 20 2.5.1............................................ 20 2.5.2...................................... 20 2.5.3...................................... 21 2

1 1.1 1.1.1 - -[1] 1 1.1.2 1.1 2 1/10 1 http://www.sonnet.site/support/tips/rfbasics.pdf 2 a = 3(mm) 3(mA) 3m [3] 6-6 far-field patterns of circular loop antennas with uniform current. 1.1: a/λ 1/10000 10 10 10 3

1.2: 1.2 1.3: :λ/2 :λ 1.2.1 1.2 1.3 λ/2 0 λ/2 1.3 λ 1.4 λ/2 1.3 3 3 1.4: :λ/2 :λ 1.2.2 1.3 4 1.5 1.1 5 4 5 [3] 6-6 far-field patterns of circular loop antennas with uniform current. Far-field patterns of loops of 0.1,1,1.5,5, and 8 λ diameter. Uniform in-phase current is assumed on the loops. 4

1.6: : : : 1.5: 8 (Sr) 4π( ) 2π( ) π/2 ( ) 360 180 82.8 (dbi) 0 +3 +9 π/6 47.1 +15 1.2.4 1.2.3 1.6 h 2h h 1/4 6dB 6 h=λ/4 +3dBd = +5dBi 6 Sr 5

1.7: : : : 1.2.5 1.8: λ/2 w 1.9dB, Q = 10 w 0.7dB 1.7 h 3dB 5dB h=λ/4 4 +6dBd = +8dBi h (Ω) 3.125, 800 SWR 16 S 11-1.1dB 6.5dB 6.25, 400 8-2.2dB 4.0dB 1.3 12.5, 200 4-4.4dB 1.9dB 25, 100 2-9.5dB 0.51dB 50 1 0dB 1.3.1 IC 50Ω SWR=2 0.51dB 7 0.51dB ) 1.3.2 7 SWR S 11 6

1.9: 1.10: C λ = 2πa/λ R r 0.1 1 λ 1.8 2.45GHz 50Ω 200Ω S 21 S 21 = 1.9dB 1.3.3 ( )50Ω S 21 = 0dB SWR Q 10 S 21 = 0.7dB 8 1.10 1.1 9 SWR 1.9 SWR S 11 SWR SWR SWR SWR SWR 1.3.4 8 Q Q ( Q ) SWR 9 [3] 6-8 radiation resistance of loops Radiation resistance of single-turn circular loop with uniform, in-phase current as a function of the loop circumference in wavelengath C λ 7

1.3.5 1.11: N N 2 1.12: 1.11 UHF RFID UHF RFID IC 100Ω λ/2 1.11 0 0Ω 1.12 F 1.4 S 11 1.3.2 10 1.2 1.4.1 http://www.sonnet.site/ support/tips/gains_of_antennas/ 10 S 11 8

1.4.2 λ/2 dbd dbi 2dBi = 0dBd 6dB 4dBi = 6dBd 1.4.3 1.13 11 1.7 1.5 (a) 1.14 1.13 ±90 12 1.5 (a) 1.5 (e) 11 [4] 5.4 MSA MSA 12 1.4.4 1.13: [4] 1.14: 9

λ/2,, 900MHz,2.45GHz,5.15GHz PC USB 13 1.5 [5] [3] 1957 2002 third edition amazon [6] [7] [4], [8], [9] 13 http://asashina.ikeriri.ne.jp/develop/ wispy/ Wi-Spy 10

2 Lite Basic Silver Pro. Plus Gold 2.1: 2.1 2.1.1 SONNET [2], Sonnet. SONNET, Sonnet. 2.1.2. 1/10 1,. 13.56MHz RFID,. 2.1.3 Sonnet, Sonnet Suites V13. 2.1 SonnetLite/LitePlus. patvu. 1, F,. SonnetLite / LitePlus / Level2Basic,. Sonnet Level2Silver / Level3Gold / Professional,,. Level2Silver Level3Gold Professional 2.2 -..,,. Sonnet 1 patvu Sonnet Level2 Sonnet Level2 patvu,. 11

2.1: F top,bottom 1/4. 1. Circuit - Box... Box Settings, Top Metal Bottom Metal Free Space. top bottom,. 2. Top Metal Bottom Metal λ/4., Sonnet Free Space, λ/4. Circuit - Dielectric Layers... Dielectric Layers. 3. 2.1, 2.2 4 λ. Sonnet 4,. Circuit - Box... Box Settings, Sizes. 2.1, F., 2.2: top 1/4 3. 2.2,,. Top Metal λ/4, Free Space, Bottom Metal,, Free Space. 2.3 2.3.1 Sonnet patvu 1. Analysis - Setup 2. Analysis Setup Compute Currents ( 2.10) 3. OK 2.3.2 50Ω. 75Ω, 12

2.4: 2.3: Terminal Setup 1. 2.5,, port properties. 7.2 + j53ω.,. 2 Sonnet, 1. emgraph Graph - Terminate. 2. 2.3 Termination Setup. 2.4. 2.5: port properties 2. 2.6. SonnetLite/LitePlus,. 2,., 7.2 + j53ω, 7.2 j53ω. 17 2.4.3 co-calibrated port,., co-calibrated port. 1. Tools - Add Port. 2.. 13

2.6: port properties 2.8: Type Co-calibrated 2.7: Port Properties 3.. 4. [2] Port Properties 5. Port Properties, Port Number 1 OK 6. [1],[2] Port Properties ( 2.7) 7. Type Co-calibrated, Properties... ( 2.8) 8. Calibration Group Properties General. Terminal Width One Cell, Ground Node Connection Floating ( 2.9) 2.9: General 9. Reference Planes, Left Right Cal.Length 10mm 3, OK ( 2.19) 10. Port Properties,, OK. ( 2.8) 11. Analysis - Setup. 12. Analysis Setup Advanced. 13. Advanced Options De-Embed, OK. 3 Cal.Length λ/10 λ/20. 14

( 2.21 ) Port Properties Type Co-caliblted 17 2.4.3 Add Component - Port Only.,,.,, 2.13. 2.3.3 Sonnet Adaptive Band Synthesis(ABS),, Sonnet.. ABS. 2.10,, Adaptive Sweep., S,.. 1. Analysis - Setup 2. Analysis Setup Analysis Control Frequency Sweep Conbinations. 2.10: single ABS 3. Add..., Sweep Type Single Frequency, Freq OK. 4. Add..., Sweep Type Adaptive Sweep(ABS), Start, Stop OK. 5. ABS, Up, Down,. Linear Sweep Adaptive Sweep(ABS),. Box Resonance Frequency Adaptive Sweep(ABS),,.,. 4 1,. 1decade, 2.11, ABS Single Linear.. 4 2.22 15

2.12: Num. Cells 2.11: single linear ABS 2.3.4 Number of Cells Circuit - Box... Box Settings, X Y Num.Cells. ( 2.12) 512, 1024, 2048, 4096 2. 100 4093( ) 4096(4096 = 2 12 ) 5 2. 1200, 1280, 1440, 1600., 1000, 2000, 1500. Number of Cells 1024 1024 2048 2048 4 5 Sonnet. Number of Cells 2 FFT.. 2.3.5 Speed/Memory SpeedMemory F,. 2.4,. Level2Silver / Level3Gold / Professional,. 2.4.1 De-Embedding,. Sonnet (Embedded) De-Embedding 16

Sonnet De-Embedding. 6 2.4.2, 2.1 F,. 2.2, Sonnet De-Embedding, 12 2.3. 2.13: co-calibrated port 2.4.3 Sonnet Level2Silver / Level3Gold / Professional co-calibrated port port. 7 co-calibrated port. 2.13 co-calibrated port port., [1] [-1]. IC,.. port. 6 de-embedding.,..,,. 7. cocalibration, De-Embedding,. 2 De-Embedding, De-Embedding co-calibration., calibration, calibration..,.,,. 2.14: General 1. Tools - Add Component - Ports Only. 2. Component Properties General. Number of Pors 2, Terminal Width One Cell, Ground Node Connection Floating OK. ( 2.14) 3.. 4.. ( 2.15) 5. [2] Port Properties ( 2.16) 17

図 2.17: 端子番号を負に変更 図 2.15: 右端子を指定 図 2.18: Component Properties 10. Advanced Options 図 2.16: Port Properties De-Embed ダ イ ア ロ グ ボック ス で にチェック し, OK で 閉 じ ま す. (図 2.21 ) 6. Component Port Properties ダイアログボックスで, Port Number を 1 に設定して OK ボタンで閉 2.4.4 De-Embedding しない設定 じる (図 2.17) SonnetLite / LitePlus / Level2Basic で は, co- 7. Component 上で右クリックし Component Properties calibrated port を使用できないので, 9 De-Embedding を選ぶ (図 2.18) 8. Component Properties Reference Planes Cal.Length しないよう設定します. ダ イ ア ロ グ ボック ス で, タブを選択し, Left と Right の を例えば 10mm に8 設定し, OK ボ タンで閉じる (図 2.19) 図 2.20 は internal port をダイポールアンテナの port に使ったモデルを示します. 左右の導体は接してい て, 導体の境界に port[1] が配置されています. 左右 の導体の間には表示できないほどに微かな空隙があ りこの空隙を挟んで微小なキャパシタが生じます. 9. Analysis - Setup を選びます. 8 9 将来のバージョンでは,Level2 / 3 でも co-calibrated port が使 用できるようになるかもしれません. これまで, Sonnet ではバー ジョンが上がる度に, 新しい機能は Professional 版に, 古い機能は 多少の制限を加えて下位製品にも実装されてきました. Cal.Length は λ/10 λ/20 程度に設定してください. 18

3. port. 4. Analysis - Setup. 5. Analysis Setup Advanced. 6. Advanced Options De-Embed, OK. ( 2.21 ) 2.19: Cal.Length 10 Sonnet, De-Embedding., internal port De-Embedding,. De-Embedding. 2.21: De-Embed 2.20: internal port 1. port. 2. tools - Add port. 10 Delta Gap Port Delta Gap Port Delta Gap Port 2.22 De-Embedding. 1GHz S 11 > 0., De- Embedding.,, De-Embedding. 2.20 2.13 co-calibrated port,. 19

2.22: De-Embedding 2.24: x z ϕ = 0 x y ϕ = 90 2.23: xgeom patvu ) 2.5 :patvu 2.25: x y, Plot Over Phi θ = 80 ϕ = 80 ( 2.25) 2.5.1 patvu 2.23 xgeom patvu patvu ϕ = 0 x z ϕ = 90 y z ( 2.24) patvu Plot Over:Phi x y Sonnet x y ϕ = 90 2.5.2 patvu θ = ±90 ( 2.26,2.27). Graph Calculate... Angles 2.28 θ = ±180 20

2.26: θ = ±90 2.28: θ = ±180 2.27: 2.29 2.29 θ = ±90 Sonnet θ = ±90 2.30 θ = ±90 2.31 2.29: θ = ±90 Graph - Axes 11 ( 2.33) 2.5.3 patvu Autoscale 2.32 11 9 1.4.2 21

2.30: θ ±90 2.31: 2.33: 2.32: 22

[1], http://www.sonnetsoftware.co.jp/ [2] Sonnet, http://www.sonnetsoftware.co.jp/ [3] J.D. Kraus, R.J. Marhefka, and B.A. Munk, Antennas : for all applications, 3rd ed edition, McGraw- Hill, 2002. [4], ( ) 1996 [5] 2011 [6] J.D. Kraus 1957 [7] 2 2008 [8] : 2001 [9] 1995 23