coupling decoupling network

CDN 4 wire Unscreened Audio Frequency

  • Four-conductor unbalanced CDN, 150 kHz–230 MHz — IEC 61000-4-6 conducted immunity testing of 4-wire unshielded unbalanced industrial control cables.
  • 2 mm shrouded banana sockets for EUT and AE — one socket per conductor for direct, repeatable connection to 4-wire control wiring.
  • 5 A max current, 150 Ω common-mode impedance, 9.5 dB VDF — full IEC 61000-4-6 compliance with per-conductor injection.
  • Industrial encoders and resolver cables — 4-wire incremental encoders (A, B, +V, GND), resolvers, and motion-feedback devices with multi-wire unbalanced signaling.
  • Stepper motor and small actuator control cables — 4-phase stepper drives, small DC servo cables, and actuator power-and-signal combined runs.
  • Multi-channel sensor cables — load cells with separate excitation and signal pairs, 4-wire RTDs (Kelvin connection), and other instrumentation requiring 4-conductor injection.
  • Industrial I/O modules and field-bus tap connections — PLC field-wiring, distributed I/O modules, and DeviceNet drop cables on 4-conductor unscreened runs.
  • NIST-traceable individual calibration with three-year warranty — ISO/IEC 17025 accredited calibration optional; ADA-515-X 150 Ω / 50 Ω adapters available separately for IEC 61000-4-6 level setting; integrates with Com-Power Conducted Immunity Test Systems.

CDN-AF4E Features

  • Unscreened-cable CDN for 4-wire unbalanced cables — common-mode RF disturbance injection per IEC 61000-4-6 for conducted-immunity qualification
  • 2 mm shrouded banana sockets for EUT and AE — standard low-current laboratory connections, easy access for general-purpose unbalanced wiring
  • Frequency range 150 kHz to 230 MHz — covers IEC 61000-4-6 standard and product-family extended-band tests up to 230 MHz
  • 5 A maximum continuous current per conductor — suitable for low-current control, sensor, and signal cables
  • 150 Ω common-mode impedance per IEC 61000-4-6 with 9.5 dB voltage division factor for accurate test-level setting
  • 50 Ω BNC (female) RF injection port — direct mate with immunity-test amplifier through standard 50 Ω coax
  • 40 Vrms maximum RF input — supports IEC 61000-4-6 test levels of 1, 3, and 10 Vrms
  • Conductor-count specific design — matched to 4-wire cable per IEC 61000-4-6 (mismatched conductor count yields incorrect per-line injection)
  • High EUT/AE isolation protects auxiliary equipment from the injected RF stress signal during testing
  • Typical use: Industrial I/O, encoders, actuator control, multi-signal unbalanced cables
  • NIST-traceable individual calibration with ISO/IEC 17025 accredited calibration available on request
  • Compatible with ADA-515-X 150 Ω / 50 Ω calibration adapters for IEC 61000-4-6 level setting
  • Three-year warranty — covers manufacturing and workmanship defects

CDN-AF4E Specifications

Parameter Specification
Model CDN-AF4E
CDN Type / Cable Interface AF-Series Unscreened CDN — unbalanced 4-wire cable
Applicable Standards IEC / EN 61000-4-6, CISPR 16-1-2
Frequency Range 150 kHz to 230 MHz
Cable Type Unscreened, unbalanced
Number of Conductors 4-wire
EUT / AE Connectors 2 mm shrouded banana sockets
Max Continuous Current (EUT/AE) 5 A
Max RF Input Voltage 40 Vrms
RF Injection Port 50 Ω BNC (female)
Common-Mode Impedance 150 Ω (IEC 61000-4-6 profile)
Voltage Division Factor (VDF) 9.5 dB (typical, with specified tolerance)
Typical Application Industrial I/O, encoders, actuator control, multi-signal unbalanced cables
Calibration NIST-traceable; ISO/IEC 17025 accredited optional
Warranty 3 years
Calibration: Each unit is supplied with NIST-traceable individual calibration data. ISO/IEC 17025 accredited calibration is available on request.
Test-level setup: ADA-515-X 150 Ω to 50 Ω calibration adapters (sold separately) are required for setting IEC 61000-4-6 test levels (typically 1, 3, and 10 Vrms) prior to testing the EUT.

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