RF generator, spectrum analyzer, logic analyzer, another logic analyzer.

射频发生器、频谱分析仪、逻辑分析仪、另一个逻辑分析仪。

And this is the FPGA board with a logic analyzer attached so we can see what it's doing.

这是带有逻辑分析仪的 FPGA 板，所以我们可以看到它在做什么。