Impedance Stabilization Networks (ISN's)

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Com-Power ISN-T2 Impendace Stabilization Network 150 kHz to 30 MHz View larger

Com-Power ISN-T2 Impendace Stabilization Network 150 kHz to 30 MHz

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  • Frequency Range: 150 kHz to 30 MHz
  • For disturbance measurements on a single, unshielded, balanced pair
  • Provided with Cat. 3 & Cat. 5 LCL Adapters
  • Circuit concept per figure D.1 of EN 55022: 2010+AC:2011 (CISPR 22: 2008, Edition 6.0)
  • Meets applicable requirements of EN 55022: 2010+AC:2011 (CISPR 22: 2008, Edition 6.0) and CISPR 16-1-2: 2014, Edition 2.0

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Specifications

Voltage Rating 50 VDC / 32 VAC (line to ground @ 50/60 Hz)
Frequency Range 150 kHz to 30 MHz
Standards Met EN 55022 (CISPR 22), CISPR 16-1-2
RF Connector 50Ω N-type (female)
Mains & EUT Connections D-sub 25 pin female connectors
Current Rating 800 mA (per line), 1.6 Amps (per pair)
Isolation 150 kHz to 1.5 MHz: 35 dB to 55 dB (increasing linearly with the log of freq.) 1.5 MHz to 30 MHz: 55 dB
Dimensions 10.8” x 4.5” x 3.8” (275 mm x 115 mm x 96 mm)
Weight 2 lbs (0.91 kg)

Test Equipment Description

Com-Power ISN-T2 Details:

The Com-Power ISN T2 is used for common-mode disturbance voltage measurements on ports with a single, unshielded, balanced pair for Cat. 3 or Cat. 5 cabled networks.

The RF input/output port is a 50Ω female BNC connector, located on the top of the ISN. The ISN is equipped with D-sub 25 pin female connectors located on the front and rear panels for connection to the LCL and connecting adapter, respectively. The LCL and connecting adapters are available with either RJ- 11 or RJ-45 connectors for connection to the EUT and AE. For non-standard pin arrangements, the ISN can also supplied with user-configurable LCL and connecting adapters which can be configured for any pin arrangement. The ISN and LCL adapters are individually tuned and calibrated to meet the applicable requirements of EN 55022 (CISPR 22) and CISPR 16-1-2. The calibration data and certificate are provided, with NIST traceability.

Com-Power ISN-T2 Specifications:

  • Product Name: Impedance Stabilization Network (ISN)
  • Specifications: EN 55022 (CISPR 22), CISPR 16-1-2
  • Frequency Range: 150 kHz to 30 MHz
  • Line Parameters: (1) unshielded balanced pair
  • Voltage Rating (EUT/AE Port): 50 VDC / 32 VAC (line to ground @ 50/60 Hz)
  • Current Rating (EUT/AE Port): 800 mA (per line), 1.6 Amps (per pair)
  • Transmission Bandwidth (wanted signal): 100 MHz
  • Impedance/Phase (150 kHz to 30 MHz): 150O ±20O, 0° ±20°
  • Voltage Division Factor: 9.5 dB ±1 dB
  • Isolation (Decoupling Attenuation)
  • 150 kHz to 1.5 MHz: >35 dB to >55 dB (increasing linearly with the log of freq.)
  • 1.5 MHz to 30 MHz: >55 dB
  • Dimensions: 10.8” x 4.5” x 3.8” (275 mm x 115 mm x 96 mm)
  • Weight: 2 lbs (0.91 kg)

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