Belling-Lee connector

Belling-Lee connectors
Male (left) and female Belling-Lee connectors
Type RF coaxial connector
Production history
Designer Belling & Lee Ltd in Enfield, United Kingdom
Designed Around 1922 (Belling-Lee)
Cable Coaxial
Female Belling-Lee connector on a television set.

The Belling-Lee connector (also type 9,52, but largely only in the context of its specification, IEC 61169, Part 2: Radio-frequency coaxial connector of type 9,52)[1] is commonly used in Europe and Australia to connect coaxial cables with each other and with terrestrial VHF/UHF roof antennas, antenna signal amplifiers, CATV distribution equipment, TV sets, and FM and DAB radio receivers. In these countries, it is known colloquially as a PAL antenna connector, IEC antenna connector, or simply as a TV aerial plug. It is one of the oldest coaxial connectors still commonly used in consumer devices.

It was invented at Belling & Lee Ltd in Enfield, United Kingdom around 1922 at the time of the first BBC broadcasts. Belling Lee Limited still exists as a wholly owned subsidiary of Dialight, since 1992.[2]

In type 9,52, the 9,52, in French SI style, refers to the 9.525 mm (​3⁄8, or 0.375 in) male external and female internal connector body diameter.

In their most common form the connectors just slide together. There is, however, also a screw-coupled variant which is specified to have a M14×1 thread.[1]

Regular and miniature Belling-Lee plugs.

There is also a miniature Belling-Lee connector which was used for internal connections inside some equipment (including BBC RC5/3 Band II receiver and the STC AF101 Radio Telephone). The miniature version is only about 4.4 millimetres (0.17 in) in diameter.

See also

References

  1. 1 2 IEC. "International Standard 61169-2 – Radio-frequency connectors – Part 2: Sectional specification – Radio frequency coaxial connectors of type 9,52". Second edition. Reference number IEC 61169-2-2:2007(E). ISBN 9782831889931.
  2. ↑ http://www.dialight.com/Assets/investorrelations/financialinfo/financialreports/pdf/dialight_ar_2016_final_170316%5B2%5D.pdf (page 117)
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