표 1. | Table 1. 크기 및 RBW에 따른 UWB 펄스 신호의 첨두전력 비교 | A comparison of peak power for UWB pulse signal according to amplitude and RBW.
Oscilloscope measurement results | Spectrum analyzer measurement results | (2) Calculated Ppeak [dBm] | Error (1)−(2) |
Pulse width [ns] | ATT [dB] | Vpeak [V] | (1) Calculated Ppeak [dBm] | Measured Pavg [dBm] | Measured BW_10 dB [MHz] | RBW [MHz] |
3.16 | 0 | 0.127 | −7.92 | −42.97 | 632 | 3 | −7.52 | 0.30 |
−42.93 | 632 | 4 | −8.77 | 0.84 |
−41.64 | 632 | 5 | −8.44 | 0.52 |
3 | 0.085 | −11.41 | −46.74 | 648 | 3 | −11.11 | 0.30 |
−46.41 | 680 | 4 | −11.61 | 0.20 |
−44.96 | 664 | 5 | −11.34 | 0.08 |
6 | 0.064 | −13.88 | −49.38 | 688 | 3 | −13.23 | 0.65 |
−49.03 | 712 | 4 | −13.83 | 0.05 |
−47.66 | 704 | 5 | −13.53 | 0.35 |