표 3. | Table 3. 디지털TRM 설계 목표/ 측정치 | The test result of the L band digital T/R module.

Item Design goal/ Meas. result
Trasmit Operation frequency Fc-1 GHz~Fc+1 GHz / Same
Transmit output level Over 350 W / Over 380 W
Transmit pulse flatness Below 1 dB / Below 0.6 dB
Trasmit pulse rising-falling time Below 100 ns~100 ns / Below 48 ns~52 ns
Duty cycle Below 10 & / Same
Trasmit waveform LFM / Same
RMS phase error Below 5.625° / Below 0.8°
Efficiency Over 30 & / Over 32.3 &
Receive Noise figure Below 2 dB / Below 1.9 dB
Receive gain 47 ± 1 dB / 46.4~47.8 dB