• ISN S501A, S502A, S751 and S752
  • ISN S501A, S502A, S751 and S752
  • ISN S501A, S502A, S751 and S752

ISN S501A, S502A, S751 and S752

• 適用於同軸電纜
• BNC 及 N 型接頭
• 具雙層屏蔽線版本
• 符合 CISPR 22、CISPR 32、CISPR 16-1-2 標準
• 設計參考 CISPR 22 圖 D.9 及 CISPR 32 圖 G.9
• 可用於 IEC 61000-4-6 抗擾度測試的傳導性擾動網路 (CDN)
型號 : ISN S Series

Impedance stabilization networks (ISN, or with CISPR 16-1-2 called AAN: asymmetric artificial network or AN: artificial networks for coaxial and other screened cables) are defined for measuring of conducted common mode disturbances at information technology equipment (ITE) as required in CISPR 22. The ISN is placed between the equipment under test (EUT) and auxiliary equipment (AE) or load which are necessary for the operation of the EUT. The ISN establishes the common-mode termination impedance for the EUT’s telecommunications port during measurement. ISN S501A, ISN S502A, ISN S751 and ISN S752 are designed for measurements on coaxial telecommunication lines. The used internal cable has a impedance of 50 Ω for ISN S501A and ISN S502A or 75 Ω for ISN S751 and ISN S752. The cable screen is connected on the AE side to the ground. ISN S502A and ISN S752 are supplied with double screened coaxial cables and N connector. A design example is given in figure D.9 CISPR 22 (EN 55022) and figure G.9 CISPR 32 (EN 55032).


阻抗穩定網路(ISN),在 CISPR 16-1-2 中亦稱為 AAN(非對稱人工網路)AN(適用於同軸及其他屏蔽電纜的人工網路),專為測量資訊技術設備(ITE)依據 CISPR 22 規範的傳導共模干擾而設計。

ISN 置於受測設備(EUT)輔助設備(AE)或負載之間,確保測試期間 EUT 的電信端口具有適當的共模終端阻抗

ISN S 系列特點

  • ISN S501A、ISN S502A、ISN S751 及 ISN S752 專為測試同軸電信線路而設計
  • 內部線纜阻抗:
    • ISN S501A、ISN S502A 採用 50 Ω 阻抗
    • ISN S751、ISN S752 採用 75 Ω 阻抗
  • 線纜屏蔽層(Cable Screen)AE 端 接地
  • ISN S502A 及 ISN S752 配備雙層屏蔽同軸電纜N 型連接器
  • 設計示例可參考:
    • CISPR 22(EN 55022)附錄 D.9 圖示
    • CISPR 32(EN 55032)附錄 G.9 圖示

該系列設備適用於同軸電纜通訊設備的傳導共模干擾測試,確保測試結果符合國際標準規範。


技術參數:
頻率範圍: 150 kHz ~ 230 MHz
線路參數: 同軸, 50 Ω 阻抗
額定功率 (EUT, AE 埠)
最大交流電壓: 250 V
最大直流電壓: 250 V
最大電流: 250 mA
測試電壓: 500 VDC, 2 sec
共模阻抗 (EUT 埠)
150 kHz ~ 30 MHz: 150 Ω ±20 Ω
30 MHz ~ 230 MHz: 150 Ω +60 Ω /-45 Ω
相位角 (EUT ~) 150 kHz ~ 30 MHz: 0° ±20°
耦合路徑 (In/Out-port/EUT)
2012-02-16: BNC 50 Ω
RF 電壓: <20 V
分壓係數Voltage division factor (RF 輸入EUT 埠)
150 kHz ~ 30 MHz: 9.5 dB ±1 dB
30 MHz ~ 230 MHz: 9.5 dB +4 dB /-2 dB
傳輸頻寬 (有用信號) EUT/AE B3 dB: > 2 GHz sin.
共模干擾抑制 (EUT / AE)
150 kHz ~ 1.5 MHz: ≥60 dB
1.5 MHz ~ 30 MHz: ≥60 dB


  • For use with coaxial lines
  • BNC and N connectors
  • Versions with double screened cable
  • Meets the requirements of CISPR 22, CISPR 32, CISPR 16-1-2
  • Design given in figure D.9 of CISPR 22 and G.9 of CISPR 32
  • Can be used as CDN for IEC 61000-4-6 immunity tests


  • 適用於同軸電纜
  • BNC 及 N 型接頭
  • 具雙層屏蔽線版本
  • 符合 CISPR 22、CISPR 32、CISPR 16-1-2 標準
  • 設計參考 CISPR 22 圖 D.9 及 CISPR 32 圖 G.9
  • 可用於 IEC 61000-4-6 抗擾度測試的傳導性擾動網路 (CDN)
  • IEC / EN Basic Standards : IEC 61000-4-6
  • CISPR Standards : CISPR 15 CISPR 16-1-2 CISPR 16-2-1 CISPR 22 CISPR 24 CISPR 32
  • IEC / EN Generic Standards : EN 61000-6-1 EN 61000-6-2 EN 61000-6-3 EN 61000-6-4
  • IEC / EN Product Standards : IEC 60533 IEC 60601-1-2 IEC 61326

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