RF 输入 | ADL5380 输出 | AD7903 输入 | |
(dBm) | (dBm) | (V p-p) | (dBFS) |
11.6 | 6.957 | 4.455 | –1.022 |
0 | –4.643 | 1.172 | –12.622 |
–20 | –24.643 | 0.117 | –32.622 |
–40 | –44.643 | 0.012 | –52.622 |
–68 | –72.643 | 466µ | –80.622 |
输入相位 RF至LO | 平均I 通道输出代码 | 平均Q 通道输出代码 | I 通道电压 | Q 通道电压 | 实测相位 | 实测接收器 |
子系统相移 | ||||||
–180° | –5851.294 | 4524.038 | –0.893 | 0.69 | +142.29° | –37.71° |
–90° | –4471.731 | –5842.293 | –0.682 | –0.891 | –127.43° | –37.43° |
0° | 5909.982 | –4396.769 | 0.902 | –0.671 | –36.65° | –36.65° |
+90° | 4470.072 | 5858.444 | 0.682 | 0.894 | +52.66° | –37.34° |
+180° | –5924.423 | 4429.286 | –0.904 | 0.676 | +143.22° | –36.78° |
目标相位 | I 通道完全校 正输入电压 | Q 通道完全校 正输入电压 | 完全校正相 位结果 | 绝对实测相位 误差 |
–180° | –1.172 V | +0.00789 V | –180.386° | 0.386° |
–90° | –0.00218 V | –1.172 V | –90.107° | 0.107° |
0° | +1.172 V | +0.0138 V | +0.677° | 0.676° |
+90° | +0.000409 V | +1.171 V | +89.98° | 0.020° |
+180° | –1.172 V | +0.0111 V | +180.542° | 0.541° |
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