viii
B Second-generation terahertz SLM control system 65
B.l FPGA circuit............................... 66
B.2 FPGA Verilog programming....................... 69
B.3 FPGA pin assignments.......................... 70
B.4 Line driver circuit............................. 71
B.5 SLMboard................................ 75
B.6 Auxiliary components........................... 79
B.7 Synchronization with Т-ray system................... 80
B.8 System test procedure.......................... 81
Bibliography 83