Fig. 1. HEMP wave description

Fig. 2. Typical transceiver structure for RF front end

Fig. 3. Antenna modelling and simulation results

Fig. 4. Combination protection design

Fig. 5. Parameters for pulsed injection wave

Fig. 6. Simulation and results for pulsed injection source

Fig. 7. Simulation circuit and residual current response for PCI test of the designed protector module

Fig. 8. Simulation and test results for insert loss

Fig. 9. Photos of the two protector modules

Fig. 10. Test set for PCI test and analysis of the injected current

Fig. 11. Time and frequency analysis for the residual current of the designed protector module

Fig. 12. Comparison of the injected wave and residual wave for these two protector modules

Fig. 13. Test set and waves for pulsed radiation test

Fig. 14. Test result analysis for the current responses of these two protectors