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how much current should flow through current helpers in mixer

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jignesh_prajapati

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hi

i m designing mixer and using current helpers to reduce current through switches, so when i apply ac signal , from where this ac current should flow i mean all ac current pass through switch or partly current can flow through switch and helpers.
 

jignesh_prajapati said:
hi

i m designing mixer and using current helpers to reduce current through switches, so when i apply ac signal , from where this ac current should flow i mean all ac current pass through switch or partly current can flow through switch and helpers.
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Your question is quite confusing. Do you try to DC-bias a balanced mixer?
 

yes i m trying to dc bias and using current helpers now if very small amount of current is passing through switches than how gain is increasing?
 

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