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MIL-PRF-49142 [42] (formerly MIL-C-49142) is a performance specification describing the general requirements and tests for RF, triaxial, connectors. These connectors and fittings are intended for use with biaxial cable [ 43 ] and can be used for RF applications when more shielding is required, and they can also be used for serial digital transfer.
The TNCA connector is a variant of the TNC connector specified in MIL-STD-348 [1] designed to provide an air gap in the dielectric region between the male and female connectors. The female TNCA connector is nearly identically to the standard TNC female connector, while the male TNCA connector provides the air cavity differentiating it from a ...
The interface specifications for the C and many other connectors are referenced in MIL-STD-348. [1] The connector uses two-stud bayonet-type locks. The C connector was invented by Amphenol engineer Carl Concelman. It is weatherproof without being overly bulky. The mating arrangement is similar to that of the BNC connector. [2]
Some extended performance versions are rated to 10 GHz. The normally free part (a.k.a. plug) of a SMC connector that has a socket for the centre contact are the female connectors. The normally fixed part (a.k.a. jack) SMC connectors that has a pin for the centre contact are the male connectors. This is the reverse of most RF connectors.
MIL-C-17/134 cable is used for lengths up to 120 meters, MIL-C-17/135 is used for cable lengths up to 300 meters. The connectors are defined by MIL-C-49142 /01 and /02. Type F - MIL-STD-1553 aircraft Manchester Byphase multiplex serial bus, 1 Mbit/s data rate. Type G (RS-449 compatible with RS-232) - uses EIA449 / EIA232 implementation.
The N connector follows MIL-STD-348, a standard defined by the US military, and comes in 50 and 75 ohm versions. The 50 ohm version is widely used in the infrastructure of land mobile, wireless data, paging and cellular systems. The 75 ohm version is primarily used in the infrastructure of cable television systems. Connecting these two ...
MIL-STD-967 covers the content and format for defense handbooks. MIL-SPEC: Defense Specification: A document that describes the essential technical requirements for military-unique materiel or substantially modified commercial items. MIL-STD-961 covers the content and format for defense specifications. MIL-STD: Defense Standard
The interface dimensions for SMA connectors are listed in MIL-STD-348. [5] The SMA connector employs a 1 ⁄ 4 inch diameter, 36-thread-per-inch threaded barrel. The male is equipped with a hex nut measuring 5 ⁄ 16 inch (0.3125 inch / 7.9 mm) across opposite flats, thus taking the same wrench as a #6 SAE hex nut.