표 5. | Table 5. 디지털 송수신모듈 측정 결과 | The test results of the L band digital T/R module.

Test item Design goal Measurement result Remarks
TX 1. Operation frequency Fc-1~Fc+1 GHz Fc-1~Fc+1 GHz -
2. TX output level More than 350 W More than 380W -
3. TX pulse flatness Below 1 dB Below 0.6 dB Pulse width: 500 us
4. Tx pulse rising/ falling time Below 100 ns / 100 ns Below 48 ns / 52 ns From 10% to 90%
5. duty Below 10% Below 10% -
6. TX waveform PT, LFM PT, LFM -
7. RMS phase error Below 5.625° Below 0.8° -
8. Efficiency More than 30% More than 32.3% Input voltage: 300 V
RX 1. Noise figure Below 2 dB Below 1.9 dB -
2. RX gain 47±1 dB 46.4~47.8 dB -