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TRF370417EVM: Capacitors connected to ground on rf output and IF inputs

Part Number: TRF370417EVM

The eval module schematic shows .1microfarad capacitors connected to ground on the IF inputs and 1 microfarad capacitors connected to ground on the RF output.

Given the high frequencies involved what is the function of these capacitors? If they were ideal they would short the RF output at say 6 GHz.

  • Hello John,

    The schematic has the capacitors you mentiond as "DNI", so they are not included with the actual EVM.
    However, the reason they were included on the schematic in the first place was for possible contingencies that would call for some sort of filtering that would need to configured at the input/outputs.