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VF5xx/about BCTRL of TWR-VF65GS10 Schematics Rev.G.

Question asked by Soichi Yamamoto on Oct 2, 2013
Latest reply on Oct 3, 2013 by Naoum Gitnik

Hi,

 

I Have question about BCTRL of TWR-VF65GS10 Schematics Rev.G.

 

I not use VideoADC.

This circuit makes 1.2V from Q1 (NJD2873T4).

 

1.Do I need Q1 (NJD2873T4)?

2.This circuit makes 1.2V(For VDD1~VDD23) from Q1 (NJD2873T4)

  Where does the feedback to make 1.2V go this circuit?

3.Because a part area is very big, Q1 wants to use the small part.

Please tell me the criteria for selection of Q1

 

Best Regards,

soichi

 

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