MCX connector

MCX (micro coaxial connector) are coaxial RF connectors developed in the 1980s. They have the same inner contact and insulator dimensions as the SMB connector but are 30% smaller. MCX is standardized in European CECC 22220.[1]

MCX
MCX Connector (male & female)
Type RF coaxial connector
Production history
Designed 1980s
General specifications
Diameter 3.6 millimetres (0.14 in)
Cable Coaxial
Passband 0-6 GHz

Connector design

MCX connectors use a snap-on interface and usually have a 50 Ω impedance (some are 75 Ω) . They offer broadband capability from DC to 6 GHz.[2] The contact surfaces are gold-plated.

The outer diameter of the plug is approx 3.6 mm or 0.140 inch.

Use

MCX and the smaller MMCX connector are frequently used to connect external antennas to GPS receivers. They are also common on USB DVB-T tuners for computers and laptops, to connect an external antenna to the tuner.

The MCX connector is also being used on at least some of the new generation of mostly inexpensive software-defined oscilloscopes and/or signal generators such as the DS212. This is a low frequency application, at most a few MHz bandwidth, so the electrical performance characteristics are relatively unimportant, however the small size would appear to be an important feature.

See also

References
  1. "Archived copy" (PDF). Archived from the original (PDF) on 2013-02-08. Retrieved 2013-04-26.CS1 maint: archived copy as title (link)
  2. "Rosenberger MCX 50 Ohm connectors (EN)" (PDF). Rosenberger Hochfrequenztechnik. 2010-12-06. Archived from the original (PDF) on 2014-05-03. Retrieved 2012-07-11.


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