I am designing a PCB Schematic and I need to find these two components. Could anyone please tell me which components are these? 1

Also, I am making a circuit with 3 multiplexers so the idea is to have the same VCC in all three of them. The Vcc that I add for one and copy to the other two, will the system pick it as an automatic and connect it together when I design the trace or will I have to add some other component? The PCB that I am referring to has this arrow but I not sure 2

I know the resistor and GND but not the connector

[I know the resistor and the GND but I don't know the name of the connector][]

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  • \$\begingroup\$ These are schematic symbols and not specific connectors. They can designate whatever the schematic designer meant them to designate. But the X4 one has "BNC" annotation, which might be the connector type. \$\endgroup\$ – Eugene Sh. Sep 11 at 18:23
  • \$\begingroup\$ It's almost impossible to tell from a schematic. X4-1 seems to be a BNC connector, but X1 is some type of multi-pin connector. Other than that, there is no way of knowing. You may be able to right click it and select "Attributes" to see what the part number is. The arrow just denotes a connection to the 12V rail; it is not a connector. \$\endgroup\$ – Ron Beyer Sep 11 at 18:23
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    \$\begingroup\$ A CAD system will consider all wires with the same net name to be connected together. \$\endgroup\$ – Peter Bennett Sep 11 at 18:35
  • \$\begingroup\$ Open the relevant library in EAGLE and post the corresponding package along with all annotation, please \$\endgroup\$ – Ariser Sep 13 at 10:55

Those supply symbols with arrows usually foster a so called "supply" pin in EAGLE. If you connect such a supply pin to any other pins in a schematic it enforces membership of all connected wires and pins in a net with the same name as the supply symbol. Hence when switching to the layout all corresponding components in junction with supply pins of the same name in the schematic will be connected with yellow airwires.

There is no physical representation of the supply pin in the layout. It is only a logical naming automatism. Beware when connecting more than one different supply pin to a net, then this mechanism will fail and you will get warnings when executing the ERC.

Beware also, that you should check the library of the supply pin, if this is really a supply pin (check the pin function within the library) otherwis it won't work as described.


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