HMC997 bias with HMC920

Marin Nedelchev on Dec 9, 2019

Dear Sirs,

I am currently designing K band VGA with HMC997. Is it possible to use the active bias controller HMC920? I do not see HMC997 in the list of the bias controller possible amplifiers.

Best Regards,

Marin

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+1 ADIApproved on Dec 20, 2019 7:02 PM over 1 year ago

Hi Marin,

Since HMC997 is 5V, 170mA which is in HMC920 range(5-16.5V and up to 500mA), HMC920 can be used.

Please keep in mind in order to change gain , there is one more voltage needed(Vctrl).

Regards

Ivan
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+1 ADIApproved on Dec 20, 2019 7:02 PM over 1 year ago

Hi Marin,

Since HMC997 is 5V, 170mA which is in HMC920 range(5-16.5V and up to 500mA), HMC920 can be used.

Please keep in mind in order to change gain , there is one more voltage needed(Vctrl).

Regards

Ivan
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