The F0448EVB is a fully populated evaluation board which allows the customer to easily evaluate the F0448 Dual Matched Broadband RF DVGA. The attenuation setting may be set using the F0448's serial control input. Header pins on the evaluation board allow setting standby mode without off-board connections to the control inputs.
The F0448EVS is a complete hardware and software solution that allows customers to digitally control the F0448EVB with the USB output on a computer. The kit includes the F0448EVB board, as well as a USB Digital Control Board and interface cables.