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Radio

BACKGROUND

In May 2017, the final draft of EN 303 345 v1.1.7 was voted out because of the tight limits, leading to a need to rewrite the standard.

The official version of EN 303 345-1 v1.1.1 was released in June 2019 and other sub-standards, EN 303 345-2 v1.1.1 and EN 303 345-5 v1.1.1 were also released as the official versions in February 2020, which have removed the test requirement "Unwanted emissions in the spurious domain" from the final draft of EN 303 345 v1.1.1, where AM standard EN 303 345-2 v1.1.1 official versions differ significantly from the final draft of EN 303 345 v1.1.7.

The official versions of EN 303 345-3 v1.1.1 and EN 303 345-4 v1.1.1 were released in June 2021, compared to the draft versions of EN 303 345-3 v1.1.0 and EN 303 345-4 v1.1.0 that released in November 2019, the "Unwanted emissions in the spurious domain" test requirement was re-joined.

Updated versions of EN 303 345-2 v1.1.1 and EN 303 345-5 v1.1.1 are currently in preparation for a subsequent addition of the "Unwanted emissions in the spurious domain" test requirement.

SCHEDULE

STANDARD DATE OF LATEST PUBLICATION (DOP) DATE OF WITHDRAWAL (DOW)
EN 303 345-1 V1.1.1 2020-02-29 2021-02-28
EN 303 345-2 V1.1.1 2020-11-30 2021-11-30
EN 303 345-3 V1.1.1 2022-02-28 2023-02-28
EN 303 345-4 V1.1.1 2022-02-28 2023-02-28
EN 303 345-5 V1.1.1 2020-11-30 2021-11-30

Comparison of Both Versions with an Overview of Standard Name & Content

OLD VERSION NEW VERSION
ETSI EN 303 345 V1.1.7 (2017-03) Final Draft:
Broadcast sound receivers, covering Directive 2014/53/EU Article 3.2, uniform standards of basic requirements. 
ETSI EN 303 345-1 V1.1.1 (2019-06):
Broadcast sound receiver; Part 1: General requirements and measurement methods 
ETSI EN 303 345-2 V1.1.1 (2020-02):
Broadcast Sound Receivers; Part 2: AM broadcast sound service; Harmonized Standard for access to radio spectrum 
ETSI EN 303 345-3 V1.1.1 (2021-06):
Broadcast Sound Receivers; Part 3: FM broadcast sound service; Harmonized Standard for access to radio spectrum 
ETSI EN 303 345-4 V1.1.1 (2021-06):
Broadcast Sound Receivers; Part 4: DAB broadcast sound service; Harmonized Standard for access to radio spectrum 
ETSI EN 303 345-5 V1.1.1 (2020-02):
Broadcast Sound Receivers; Part 5: DRM broadcast sound service; Harmonized Standard for access to radio spectrum 

Comparison of Test Items

EN 303 345-3 & -4 V1.1.1 OFFICIAL VERSION EN 303 345-2 & -5 V1.1.1 OFFICIAL VERSION EN 303 345-2 TO -5 V1.1.0 DRAFT VERSION EN 303 345 V1.1.0 DRAFT VERSION
Unwanted emissions in the spurious domain Deleted Deleted Unwanted emissions in the spurious domain
Conducted differential voltage Deleted Deleted Conducted differential voltage
Sensitivity  Sensitivity Sensitivity Sensitivity
Adjacent channel selectivity and blocking  Adjacent channel selectivity and blocking Adjacent channel selectivity and blocking Adjacent channel selectivity and blocking

Comparison of EN 303 345-2 v1.1.1 Official version AM standard and EN 303 345 v1.1.7 Final draft

  • The wanted signal centre frequency of HF frequency band for Adjacent channel selectivity and blocking requirements was updated from 9.9MHz to 9.65MHz
  • The radiated test method of Adjacent channel blocking requirement for the built-in antenna, the first adjacent channel interference signal increased by 10dB

EN 303 345 V1.1.7 Final Draft:

EN 303 345

EN 303 345-2 V1.1.1 Official Version:

EN 303 345

  • The signal-to-noise ratio of Adjacent channel selectivity and blocking tests was reduced from at least 28dBQ to 22dBQ

EN 303 345 V1.1.7 Final Draft:

EN 303 345

EN 303 345-2 V1.1.1 Official Version:

EN 303 345 

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