R&S®ENY81 coupling network

For measuring asymmetrical (common mode) disturbance voltage

R&S®ENY81 coupling network
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R&S®ENY81 coupling network, Front High

Key facts

  • Eight-wire network
  • In line with CISPR 22:2008 and CISPR 32
  • Compliance with CISPR 16-1-2
  • Adapter sets to meet standardized LCL requirements (55 dB and 65 dB)
  • High transmission bandwidth for wanted signal (100 MHz)

For measuring asymmetrical (common mode) disturbance voltage

The R&S®ENY81 coupling network measures the asymmetrical (common mode) disturbance voltage of unshielded, symmetrical EUT telecommunications ports. The network complies with CISPR 16-1-2 requirements and is used for testing against CISPR 22:2008 and CISPR 32 in the frequency range from 150 kHz to 30 MHz. The wanted symmetrical signal passes through the network with almost no attenuation up to a bandwidth of 100 MHz. At the same time, the coupling network decouples the test circuit from disturbance effects at the associated equipment (AE) port.

Features & benefits

LCL adapters

LCL adapters for CAT3 and CAT5 cable category

The R&S®ENY81 has a high-symmetry basic network and a number of adapter sets for implementing longitudinal conversion losses (LCL). Each adapter set contains adapters for LCL values of 55 dB (for CAT 3 cable category) and 65 dB (for CAT 5 cable category). The high longitudinal conversion loss means the CAT 6 cable category requires the use of a separate R&S®ENY81-CA6 coupling network.

Multiple cable standard testing

2-wire, 4-wire and 8-wire unshielded twisted pair cable testing

In line with CISPR 22 and EN 55022 or CISPR 32 and EN 55032, an eight-wire ISN (R&S®ENY81 or R&S®ENY81-CA6) is used for disturbance voltage measurements on four unshielded symmetrical wire pairs. The R&S®ENY81 design also enables measurements on two or four wire pairs.

Design

Mechanical design

The R&S ENY81 coupling network features bare threaded sockets for connecting them to a reference ground plane that is arranged either horizontally or vertically. The device comes with two LCL adapter sets with RJ-45 connector and with connectors for user selectable wiring (1 mm banana jack).

Functional testing

Functional testing

The R&S ENY-FTS option together with a network analyzer enables functional testing of the ISN. This functional testing includes verification of asymmetrical impedance and phase, voltage division factor, longitudinal conversion loss and decoupling attenuation.

Available options

General accessories
Product
Description
R&S®ENY-FTS

Order number 1309.8703.13

Description

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Manufacturer's recommended retail price (MSRP). The price shown does not include VAT. Prices and offers are only intended for entrepreneurs and not for private end consumers.

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