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==GR-874== | ==GR-874== | ||
The GR-874 is a hermaphroditic RF connector developed | The GR-874 is a hermaphroditic RF connector developed | ||
by General Radio in the late 1940's. | by [[General Radio]] in the late 1940's. | ||
They are typically | They are typically for 50 Ω impedance, but | ||
versions for 75 Ω and 125 Ω were available | |||
using the same ground shield and housing, but different center pin geometry. | using the same ground shield and housing, but different center pin geometry. | ||
The Tektronix [[519]] uses a | |||
the same ground housing as the | The Tektronix [[519]] uses a 125 Ω GR-874 connector which has | ||
the same ground housing as the 50 Ω variant, | |||
but has a center pin that is thinner and shaped differently. | but has a center pin that is thinner and shaped differently. | ||
The regular | |||
The regular 50 Ω version is used in the [[1S1]], [[1S2]], | |||
[[3S1]], [[3S7]], [[3T7]], [[4S1]], [[4S2]], [[5T1]], [[5T1A]], [[5T3]], [[7M11]], [[N]], [[S-1]], [[S-2]], [[106]], [[109]], [[110]], [[113]], [[280]], [[281]], [[282]], and [[282]]. | [[3S1]], [[3S7]], [[3T7]], [[4S1]], [[4S2]], [[5T1]], [[5T1A]], [[5T3]], [[7M11]], [[N]], [[S-1]], [[S-2]], [[106]], [[109]], [[110]], [[113]], [[280]], [[281]], [[282]], and [[282]]. | ||
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File:Gr874 plug.plug.jpg | File:Gr874 plug.plug.jpg | ||
File:Gr874 connector.jpg | File:Gr874 connector.jpg | ||
File:50 versus 75 ohm gr874.jpg|Two | File:50 versus 75 ohm gr874.jpg | Two 75 Ω and one 50 Ω GR-874 connectors | ||
File:Various GR874 connectors.jpg | An asortment of GR-874 connectors and adapters | |||
</gallery> | </gallery> | ||