The F2250EVBI is a fully populated evaluation board which allows the customer to easily evaluate the F2250 Voltage Variable Attenuator. Attenuation slope may be set to either positive or negative attenuation slope using the on-board jumper pins. 


  • SMA connectors for RF ports RF1, and RF2
  • Power supply Vdd (Supply Voltage) and Vctrl (Control Voltage) connected through SMA connectors
  • Jumper Connector J2 allows user to select either positive of negative attenuation slope by setting the Vmode pin to either Ground or VHI


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star F2250 Datasheet REV04 数据手册 PDF 2.27 MB