CDCE913-Q1: Using Xtal

NAOKI AOYAMA

Guru 11215 points

Part Number: CDCE913-Q1

Hello,

Our customer use the CDCE913-Q1 using Xtal for source clock.

The customer have some questions.

Does the CDCE913-Q1 have internal feedback resistor and damping resistor?

One more question.

When the customer use Xtal, how should the customer use the Vctrl?

Is it set to 1/2 VCC?

Best Regards,

Naoki Aoyama

over 6 years ago

0 Puneet Sareen over 6 years ago

TI__Expert 8865 points

Hello Naoki,

Does the CDCE913-Q1 have internal feedback resistor and damping resistor?
A: The Xtal stage in the CDCE913-Q1 has an automatic drive control circuit. Also there is a damping register in the xout path.

When the customer use Xtal, how should the customer use the Vctrl?
A: Vctrl can be left floating.

Best regards
Puneet

0 NAOKI AOYAMA over 6 years ago in reply to Puneet Sareen

Guru 11215 points

Hello Puneet,

Thank you for your reply.
I will feedback the customer the information.

Thanks,
Naoki Aoyama

Clock & timing

Clock & timing forum

CDCE913-Q1: Using Xtal