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6 bit digital attenuator

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ankur kumar tiwari

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Hi All,

I am woking on a design broadband 6-bit digital attenuator
but sometimes, I get ripple in the attenuation states... particularly in last 15-20 states. And by the time all 6 bits are switched on, the ripple goes to almost 3 dB.or 2 db..
Can someone help please.

Regards,
Ankur
 

The first thing to check is the VSWR of each element and each interconnect between the elements.
Peter
 

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