UHF connector: Difference between revisions

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[[File:UHF_socket.jpg|200px|thumb|right|UHF socket (on a [[G|Type G]] plug-in)]]
[[File:UHF_socket.jpg|200px|thumb|right|UHF socket (on a [[G|Type G]] plug-in)]]
The '''"[http://en.wikipedia.org/wiki/UHF_connector UHF connector]"''' is coaxial connector developed prior to WWII
The '''"[http://en.wikipedia.org/wiki/UHF_connector UHF connector]"''' is coaxial connector developed prior to WWII
as a [[Connectors#Banana|banana]] connector with a screw-on shield. The male is often called a PL-259, and the  
as a [[banana connector]] with a screw-on shield. The male is often called a PL-259, and the  
female is often called an SO-239, following the old Signal Corps nomenclature.
female is often called an SO-239, following the old Signal Corps nomenclature.


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impedance - it drops to 30-40 Ω for about a centimeter in the central region of the connector, which
impedance - it drops to 30-40 Ω for about a centimeter in the central region of the connector, which
means they create significant electrical signal reflections above 150 MHz. Consequently,
means they create significant electrical signal reflections above 150 MHz. Consequently,
Manufacturers usually specify this connector as suitable for use up to 200 or 300 MHz only.
manufacturers usually specify this connector as suitable for use up to 200 or 300 MHz only.


UHF sockets are used on many pieces of early Tektronix gear, initially having the advantage that  
UHF sockets are used on many pieces of early Tektronix gear, initially having the advantage that