2.4.1. Testbench
   Figure 6. Block Diagram of the F-Tile 25G Ethernet Single-Channel Design Example Simulation Testbench
   
  
  | Component | Description | 
|---|---|
| Device under test (DUT) | The F-Tile 25G Ethernet IP core. | 
| Ethernet Packet Generator and Packet Monitor | 
 | 
| F-Tile Reference and System PLL Clocks IP | Generates transceiver and system PLL reference clocks. |