cispr 22 -> cispr 32

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Attendees marked with *

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Paul van Bavel

Prodrive Technologies since 2007

Active in EMC design and testing since 2009

Some examples of products we develop and manufacture at Prodrive:

• Industrial motor drives

• Medical imaging (MRI gradient amplifiers, image processing)

• Industrial high-performance computing (semi-conductor industry)

• Consumer electronics

Since 2015 the Prodrive EMC lab is RvA accredited.

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Introduction

Status of standards

Scope

Classification

Requirements (limits)

Host systems and modular EUTs

Exercising the product during testing

EUT arrangement

Summary

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CISPR32 vs CISPR 22

Presentation structure derived form CISPR32

CISPR 32 Ed. 2.0 CISPR 22 Ed. 6.0

EN55032 2015 EN 55022 2011

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CISPR 32 / EN55032 (IDT)

• 1st edition 2012

• 2nd edition 2015

EMC Directive 2014/30/EU: no mentioning of 55022 and 55032 yet (list of 2016-05-13) (know issue that list is missing a lot of standards)

EMC Directive 2004/108/EC:

2017-03-05 Date of withdrawal of presumption of conformity.

Replacement of EN55022 by 2012 edition of EN55032

(last list of old directive 2016-01-16)

Also listed under new Radio Equipment directive

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CISPR 32 Emission – CISPR 35 Immunity

Replacing

CISPR 22 Emission – CISPR 24 Immunity

CISPR 13 Emission – CIPSR 20 Immunity

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CISPR 32

• Multimedia equipment

• Combines scope of CISPR 13 (sound and television broadcast receivers) and CISPR 22

CISPR 22

• Information technology equipment

• Examples: PC, printer, copier, computer monitor

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CISPR 22CISPR 13

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CISPR 32

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Class A

• All other environments

• Examples: Servers, professional network switch, Industrial PC.

• Possible to move 10m away for radio reception

Class B

• Residential environment

• Examples: Tablet, PC, TV, consumer network switch or router

Classification in CISPR 32 is similar to CISPR 22

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Radiated emission 30MHz-1GHz:

• Limits are the same

Radiated emission 1GHz-6GHz:

• Limits and methods are the same

Conducted emission mains:

• Limits are the same

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CISPR 32

• Class A/B 30MHz-1GHz:• Limits defined at 3 meter and 10m

• Semi-anechoic/OATS

• Full anechoic chamber

Specifics:

• Limits for harmonics of FM receivers

• outdoor units for home satellite receivers

CISPR 22

• Class A/B 30MHz-1GHz :• Limits defined at 10m only

• Semi-anechoic

• Class B can be measured at 3m with correction.

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CISPR 32

• Limits defined for:• AC power port

• Asymmetric mode:

• Wired network

• Optical port with metal shield

• Broadcast receiver tuner port

• Other antenna port

• Differential voltage

• TV/FM receiver tuner port

• RF modulartor output port

CISPR 22

• Limits defined for:• AC power port

• Asymmetric mode

• Telecommunication port

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CISPR 32

• Modules to be sold without the host now explicitly included.

• Modules classified• Internal (e.g. Hard disk)

• Plug-in (e.g. USB thumb drive)

• Mounted (e.g. PCI sound card)

• External (e.g. remote control)

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A host shall be tested with modules so that the resulting system is representative of typical use.

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Modules intended to be sold separately shall be tested:

• With at least one representative host system.

• Termination as specified for port type

• The module shall perform the function specific to the module

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CISPR 32

• In Annex B (normative)

• Audio (1kHz sinusoidal signal)

• Video

• Broadcast receiver antenna port

• Network port

CISPR 22

• In Annex G (informative)

• Visual display

• Facsimile device

• Telephone sets.

• General terms used like maximum or worst-case

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Complexity level

Display Description Equipment Example

4 (most) Colour bars with moving element

ITU-R BT.1729 based

Digital TV, DVD, PC, video game

3 Colour bars ITU-R BT.471-1 Analog TV, displays on camera’s ,displays on photo printer

2 Text image Pattern consisting of H

POS terminal, computer without graphic capabilities

1(least) Typical display

Most complex display possible on device

Product with proprietary display not capable of any of the above.

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CISPR 32

• Ports

• Broadcast receiver port• Example data for Terrestrial TV: DVB-T, ISDB-T, ATSC, DMB-T

• Example data for Satellite TV: DVB-S, ISDB-S

• Example data for Cable TV: DVB-C, ISDB-C, ATSC

• Network port:• Ports supporting multiple rates only measure at max rate.

(100Base-T, 1000Base-T)

• Pseudo random message (example compressed data)

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Change Description Impact

Scope Now also includes broadcast receivers During Specification

Class A/B No change in definition -

Limits Same limits -

Testing More options on test locations Test lab selection

Modular EUT Better definition of test setup Design and testing

EUT exercising Better definition especially for ports Design and testing

Overall: Probably no big technical challenges for product designer

Products that comply to CISPR22 are likely to pass testing against CIPSR 32

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End of presentation

cispr 22 -> cispr 32

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