ADC16DV160: 5-75Mhz input frequency driver circuit

Kian Lin

Part Number: ADC16DV160

Tool/software:

Hi 、

Could you kindly help to review how to modify this circuit to be used at 5-75Mhz input frequency？

Thanks!

BRs

Kian

0 Kian Lin over 1 year ago

I referred to the design in ADC16DV160 evaluation board. But it said it's for frequency greater than 70Mhz.

0 Kian Lin over 1 year ago in reply to Kian Lin

Could you share the design file that joshua mentioned?

Thanks!

0 Rob Reeder over 1 year ago in reply to Kian Lin

Hi Kian,

Unfortunately, the post you have referenced is over 10 years old. We don't have the information any longer.

You can simply use the T1-1T transformer instead of the Anaren balun to lower the BW down within the frequency range for your application.

Regards,

Rob

0 Rob Reeder over 1 year ago in reply to Rob Reeder

Forgot to post the link to the transformer.

0 Kian Lin over 1 year ago in reply to Rob Reeder

Hi Bob,

Thanks for your prompt reply.

Can I simply connect T1-1T transformer as below without R/C changes?

And, will using T1-1T transformer affect ADC performance? such as THD, SNR?

BRs

Kian

+1 Rob Reeder over 1 year ago in reply to Kian Lin

Hi Kian,

Here is a good starting point. I marked up your schematic above.

You can play with the 22p DIFF cap to band limit and rolloff you need for your application.

Thanks,

Rob

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