Eurocard: Difference between revisions
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'''Eurocard''' is a European standard format for PCB |
'''Eurocard''' is a European standard format for [[PCB]]s, which can be plugged together into a standardized subrack. The subrack consists of a series of slotted card guides on the top and bottom, into which the cards are slid so they stand on end, like books on a shelf. At the "back" of each card is one or more connectors, which plug into mating connectors on a [[backplane]] in the rear of the subrack.<ref name="wie">[http://www.peakservo.com/products/what-is-a-eurocard/ What is a Eurocard?]</ref> |
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The format does not define specific connectors to be used nor the signals that are assigned to connector contacts.<ref name="wie"/> |
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==Dimensions== |
==Dimensions== |
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The Eurocard height is specified in U (for [[19-inch rack|rack unit]]), with 1 U being 1.75 inches. In practice heights are commonly 3U or 6U.<ref name="wie"/> |
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The Eurocard height starts at 3U, i.e. 100 millimetres (3.937 in) and increments by 5.25 inches (133.350 mm) increments. This arrangement allows two 3U Eurocards to be supported properly next to a 6U high (233.35 millimetres (9.187 in)) Eurocard. The 33.35 millimetres (1.313 in) space is required for the card guide structure that would be between the two 3U high cards. |
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A single size eurocard is 100mm x 160mm (3U) and double size eurocard is 233.35mm x 160mm (6U).<ref name="wie"/> The extra 33.35mm allows two 3U Eurocards to be supported properly next to one 6U high, with the width taken up by a card guide between the two 3U cards. |
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⚫ | Eurocards come in depths that start at |
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==See also== |
==See also== |
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==References== |
==References== |
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{{reflist}} |
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*[http://en.wikipedia.org/wiki/Eurocard_(printed_circuit_board) Eurocard] article on Wikipedia |
*[http://en.wikipedia.org/wiki/Eurocard_(printed_circuit_board) Eurocard] article on Wikipedia |
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