Q&A HMC941 HMC939

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ADIApproved on Jan 28, 2015

Hello,

I'm planning to use the HMC941 and the HMC939 attenuatetor in series and wanted to double check that the devices can be DC coupled without a blocking cap? Thanks.

Best Regards.

0 ADIApproved on Jan 31, 2015 12:06 AM over 6 years ago

The RF ports of both the HMC941 and HMC939 are dc coupled with ~0Vdc. Since the RF ports of both parts have the same line potential, they can be interconnected without the DC blocking capacitor.
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