Schematics of SABRE-SDP

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Schematics of SABRE-SDP

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kapilkumar
Contributor III


Hi

what is the significance of keeping dot on resistor and capacitor in schematics ?

for e.g.,

pastedImage_0.png

pastedImage_1.png

Regards,

Kapil Kumar

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Yuri
NXP TechSupport
NXP TechSupport

Hello,

  many parts have pin number 1, often marked as dot on package.

figure_dot.png

Regards,

Yuri.

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kapilkumar
Contributor III

Hi Yuri

Good. Finally, i came to conclusion through your help and other sources is that this kind of symbol representation is only for the probing purpose by the PCB designer/Layout Engineer. Am I correct ? Pl, find an attachment. Pl, correct me if i am wrong ??

Regards,

Kapil Kumar.

P_20160302_102118.jpg

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Yuri
NXP TechSupport
NXP TechSupport

Yes, Your idea is quite reasonable.

~Yuri.

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Yuri
NXP TechSupport
NXP TechSupport

Hello,

  it is just  CAD marking for the first pin.

Have a great day,
Yuri

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kapilkumar
Contributor III

Hi Yuri

As per my limited knowledge, resistor does not have pin no 1 or pin no 2 , either way we can connect. Right ?

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Yuri
NXP TechSupport
NXP TechSupport

Hi,

Yes, a resistor  in itself is symmetrical - it has no special pin numbering, but CAD may apply
such approach (to have marked pins) for compatibility with other parts.

Regards,

Yuri.

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kapilkumar
Contributor III

Hi Yuri

can you explain little bit more, what do you mean by compatibility with other parts ..?? if possible , pleas, explain it through some examples.

Regards,

Kapil Kumar.

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