RX noise spectrum - EM 304 Spectral noise test: Levels in dB kHz 0 to 31 32 to 63 64 to 95 96 to 127 Average ------------------------------------------------------------ 1.1 92.4 94.3 94.5 93.7 93.8 1.2 91.9 90.4 90.6 93.8 91.9 1.4 89.9 92.0 92.0 91.7 91.5 1.5 88.5 87.8 90.7 90.1 89.4 1.7 85.7 86.0 85.8 86.9 86.1 1.8 87.3 87.1 87.8 87.1 87.3 1.9 84.0 84.2 85.3 87.3 85.4 2.1 81.1 82.1 82.2 81.9 81.9 2.2 77.6 77.1 76.3 78.7 77.5 2.4 80.4 77.4 77.9 76.8 78.4 2.5 76.9 76.0 79.3 78.4 77.8 2.7 72.9 72.9 76.7 76.6 75.2 2.8 73.1 71.3 72.9 75.3 73.4 2.9 70.7 71.1 72.7 73.2 72.0 3.1 70.7 69.9 68.5 72.4 70.6 3.2 72.4 67.2 70.6 72.2 71.0 3.4 68.5 69.7 70.3 69.6 69.6 3.5 71.8 66.6 69.8 71.4 70.3 3.7 71.1 69.9 68.5 69.4 69.8 3.8 69.9 67.3 65.3 68.0 68.0 3.9 66.7 65.9 65.4 66.9 66.3 4.1 65.7 66.7 66.4 69.9 67.5 4.2 66.3 66.4 68.2 68.2 67.4 4.4 65.3 68.2 68.9 67.7 67.7 4.5 66.8 65.5 68.4 67.9 67.3 4.7 68.1 67.5 67.0 67.0 67.4 4.8 65.5 64.0 65.7 64.5 65.0 5.0 62.8 62.4 64.6 64.1 63.6 5.1 64.6 63.8 65.0 64.1 64.4 5.2 64.4 63.4 64.0 63.5 63.8 5.4 63.3 62.3 63.2 63.8 63.2 5.5 65.3 60.9 63.4 61.7 63.2 5.7 61.6 60.3 62.7 61.6 61.6 5.8 63.0 62.2 64.0 62.9 63.1 6.0 63.4 59.6 64.1 62.5 62.7 6.1 62.5 59.3 63.8 60.9 62.0 6.2 61.9 60.0 63.9 59.8 61.7 6.4 61.3 59.8 63.3 58.0 61.0 6.5 60.3 58.2 63.3 57.0 60.4 6.7 58.2 56.5 63.6 58.1 60.1 6.8 61.4 58.7 63.5 56.3 60.8 7.0 65.3 58.8 64.1 55.7 62.5 7.1 60.0 58.4 63.7 57.2 60.6 7.3 56.4 55.7 63.8 56.1 59.6 7.4 56.6 54.9 64.2 54.8 59.6 7.5 57.8 54.6 64.7 57.2 60.4 7.7 56.4 53.4 65.5 54.7 60.5 7.8 57.0 53.9 66.7 56.0 61.7 8.0 53.6 52.3 69.1 56.2 63.5 8.1 53.4 52.4 80.4 53.4 74.4 8.3 54.0 51.4 77.1 54.3 71.2 8.4 54.6 51.5 56.7 51.5 54.1 8.5 53.9 52.1 54.8 53.9 53.8 8.7 52.8 51.3 56.6 52.4 53.8 8.8 52.3 51.1 56.9 51.9 53.7 9.0 50.9 50.9 57.3 50.5 53.5 9.1 51.9 49.9 58.0 50.8 54.0 9.3 51.0 50.5 58.4 50.7 54.2 9.4 50.8 50.2 58.9 50.4 54.4 9.6 50.4 49.5 58.9 48.2 54.2 9.7 49.9 48.9 58.8 47.3 54.0 9.8 51.5 49.5 59.0 49.6 54.4 10.0 50.0 46.8 58.8 46.7 53.8 10.1 50.1 46.5 59.0 46.1 53.9 10.3 47.7 45.3 59.0 46.0 53.7 10.4 46.7 43.5 58.9 43.8 53.4 10.6 47.0 44.0 58.8 45.5 53.4 10.7 48.0 45.4 58.8 44.8 53.5 10.8 43.8 42.2 58.6 43.0 52.9 11.0 44.0 44.4 58.6 41.2 53.0 11.1 43.2 42.3 58.7 42.1 52.9 11.3 44.5 41.6 58.5 40.8 52.8 11.4 41.9 41.4 58.3 41.3 52.6 11.6 40.8 39.8 58.1 39.1 52.2 11.7 43.9 42.1 58.0 40.1 52.3 11.8 39.7 38.7 58.0 38.0 52.1 12.0 40.6 39.1 57.9 37.9 52.1 12.1 40.5 40.3 57.8 38.9 52.0 12.3 40.6 40.1 57.5 37.7 51.7 12.4 41.2 39.3 57.2 37.8 51.4 12.6 37.8 37.2 57.0 36.8 51.1 12.7 37.1 35.9 57.0 35.8 51.1 12.9 38.8 37.5 56.9 35.6 51.1 13.0 37.7 36.1 56.8 34.9 50.9 13.1 39.0 37.1 56.4 35.7 50.6 13.3 37.6 35.9 56.0 35.0 50.1 13.4 38.1 36.5 55.8 35.7 49.9 13.6 37.6 35.8 55.6 35.9 49.8 13.7 36.0 35.3 55.6 33.9 49.7 13.9 36.8 33.5 55.4 33.1 49.5 14.0 36.2 34.8 55.0 34.5 49.1 14.1 35.9 34.5 54.6 33.6 48.7 14.3 35.9 32.8 54.3 33.0 48.4 14.4 36.5 34.4 54.2 33.9 48.3 14.6 35.6 34.0 54.1 33.9 48.3 14.7 34.0 31.6 54.0 32.7 48.1 14.9 33.5 32.6 53.8 32.4 47.8 15.0 33.8 32.3 53.6 32.9 47.7 15.2 34.6 32.7 53.9 32.8 48.0 15.3 35.5 32.9 54.6 32.2 48.7 15.4 32.7 31.4 55.5 31.9 49.5 15.6 32.5 30.8 56.6 31.8 50.6 15.7 33.9 31.3 58.2 31.1 52.2 15.9 33.6 31.2 60.5 32.0 54.5 16.0 33.2 31.7 64.0 31.6 58.0 16.2 34.7 32.4 69.6 32.2 63.6 16.3 33.4 33.1 95.7 31.6 89.6 16.4 33.9 31.1 82.3 31.7 76.3 16.6 35.2 32.3 68.4 31.7 62.4 16.7 33.6 32.1 64.2 32.3 58.2 16.9 33.3 32.6 61.5 32.0 55.5 17.0 35.0 32.0 59.4 31.6 53.4 17.2 36.6 33.2 57.8 32.0 51.9 17.3 35.9 32.9 56.6 31.7 50.6 17.4 36.1 33.8 55.5 32.2 49.6 17.6 36.2 33.1 54.4 32.7 48.5 17.7 35.4 32.4 53.1 31.9 47.2 17.9 35.6 33.0 51.8 32.1 46.0 18.0 36.0 34.4 50.8 32.2 45.1 18.2 36.8 34.0 50.1 31.6 44.4 18.3 37.7 34.8 49.5 32.4 44.0 18.5 38.4 33.9 48.9 32.2 43.5 18.6 39.6 35.2 48.2 33.3 43.0 18.7 40.7 34.9 47.4 33.7 42.6 18.9 42.1 35.3 46.9 33.2 42.5 19.0 43.3 37.1 47.7 35.5 43.5 19.2 44.5 37.4 47.2 33.5 43.5 19.3 45.7 38.4 48.1 34.2 44.4 19.5 46.1 38.8 48.9 33.4 45.0 19.6 46.2 38.6 49.5 32.9 45.4 19.7 45.6 37.6 49.8 34.4 45.5 19.9 45.5 39.6 50.2 36.5 45.9 20.0 44.4 37.8 50.8 35.1 45.9 20.2 44.0 36.7 51.7 35.3 46.6 20.3 42.9 37.1 52.7 34.7 47.3 20.5 41.7 36.4 53.4 33.5 47.8 20.6 41.1 36.9 53.8 35.0 48.2 20.8 41.7 38.2 54.0 34.9 48.4 20.9 41.5 37.2 54.4 35.2 48.7 21.0 41.8 38.1 55.1 35.3 49.4 21.2 40.5 36.7 56.0 35.0 50.1 21.3 40.5 36.4 56.6 34.5 50.8 21.5 40.7 36.1 57.0 36.1 51.1 21.6 40.5 36.5 57.2 35.4 51.3 21.8 40.2 36.9 57.4 36.5 51.5 21.9 40.7 36.9 58.0 35.6 52.1 22.0 41.0 38.3 58.7 36.3 52.8 22.2 40.1 36.3 59.3 36.2 53.3 22.3 40.7 37.3 59.7 35.9 53.7 22.5 39.2 36.4 59.9 36.2 53.9 22.6 40.0 36.5 60.1 35.7 54.2 22.8 39.6 37.0 60.6 35.9 54.7 22.9 40.7 37.4 61.3 35.8 55.4 23.0 40.7 37.7 62.0 36.2 56.0 23.2 40.2 38.1 62.5 37.0 56.5 23.3 42.0 38.0 62.9 36.9 57.0 23.5 41.0 37.2 63.5 37.1 57.5 23.6 41.8 37.9 64.3 36.8 58.3 23.8 43.1 38.2 65.4 37.1 59.4 23.9 41.5 37.1 66.7 37.2 60.7 24.1 43.4 38.7 68.3 37.3 62.3 24.2 42.6 37.8 70.7 36.9 64.7 24.3 40.1 36.9 75.5 36.2 69.5 24.5 43.2 38.5 90.8 37.5 84.8 24.6 42.1 38.1 79.7 37.2 73.7 24.8 40.6 37.0 68.8 36.6 62.8 24.9 42.9 38.1 63.8 37.3 57.8 25.1 42.4 38.2 60.6 37.1 54.7 25.2 41.6 38.3 58.3 37.7 52.5 25.3 42.5 38.4 56.7 38.0 50.9 25.5 43.5 39.0 56.1 37.3 50.4 25.6 41.9 38.1 56.5 38.7 50.8 25.8 43.8 39.3 57.2 38.0 51.5 25.9 44.4 39.9 57.5 38.4 51.9 26.1 43.3 39.4 57.5 39.2 51.8 26.2 43.1 38.8 57.4 39.1 51.7 26.4 44.3 39.3 57.7 38.6 52.0 26.5 44.0 39.6 58.2 38.4 52.5 26.6 43.3 40.2 58.7 38.9 52.9 26.8 43.8 40.5 58.8 38.6 53.0 26.9 44.5 40.5 58.7 39.1 52.9 27.1 42.5 40.0 58.5 39.2 52.7 27.2 40.2 38.8 58.5 39.2 52.6 27.4 41.5 38.4 58.7 38.2 52.8 27.5 41.6 38.2 58.9 38.3 53.0 27.6 39.8 37.3 58.7 38.0 52.8 27.8 40.1 37.4 58.3 37.0 52.4 27.9 41.2 37.9 57.9 38.4 52.1 28.1 39.7 37.5 57.8 37.7 51.9 28.2 39.3 36.9 57.9 36.5 52.0 28.4 39.5 37.6 57.9 36.4 52.0 28.5 38.6 37.7 57.7 37.9 51.8 28.7 38.7 37.2 57.2 36.2 51.3 28.8 39.0 36.1 56.7 37.1 50.9 28.9 38.9 37.1 56.5 37.1 50.7 29.1 37.2 36.4 56.5 36.5 50.6 29.2 37.9 35.5 56.5 35.9 50.6 29.4 36.9 34.6 56.2 34.4 50.2 29.5 36.6 35.6 55.6 35.0 49.7 29.7 35.8 34.0 55.1 34.4 49.2 29.8 37.0 34.7 54.8 34.8 48.9 29.9 35.4 34.7 54.8 34.3 48.9 30.1 34.8 34.2 54.6 34.1 48.7 30.2 34.9 33.7 54.2 33.7 48.3 30.4 35.6 34.5 53.5 33.4 47.6 30.5 34.0 32.5 52.8 32.1 46.9 30.7 34.6 33.5 52.4 32.5 46.6 30.8 34.4 32.6 52.3 32.1 46.4 30.9 33.1 33.6 52.1 32.4 46.3 31.1 33.4 32.4 51.6 31.3 45.7 31.2 32.4 31.5 50.9 31.4 45.0 31.4 32.9 31.1 50.5 30.2 44.7 31.5 32.3 31.7 50.9 30.7 45.0 31.7 32.0 31.5 51.7 30.7 45.8 31.8 31.4 30.8 52.8 29.8 46.8 32.0 30.7 29.7 54.2 29.9 48.2 32.1 32.1 32.6 56.3 31.3 50.4 32.2 31.2 30.8 59.5 30.0 53.5 32.4 31.3 31.3 63.9 29.5 57.9 32.5 30.2 29.7 71.0 28.6 65.0 32.7 31.1 30.3 90.0 29.6 83.9 32.8 30.7 29.9 75.2 29.5 69.2 33.0 31.0 30.1 67.7 29.3 61.7 33.1 30.5 29.7 64.4 28.6 58.4 33.2 29.4 29.3 62.4 28.7 56.4 33.4 30.2 28.7 61.0 28.2 54.9 33.5 30.0 29.5 59.9 28.6 53.9 33.7 29.3 28.3 59.1 27.9 53.1 33.8 30.2 28.8 58.4 28.4 52.4 34.0 29.6 28.8 57.8 28.1 51.8 34.1 29.5 28.0 57.1 27.7 51.1 34.3 28.9 28.3 56.4 27.6 50.4 34.4 28.3 28.3 55.8 27.4 49.8 34.5 26.8 26.0 55.3 25.6 49.3 34.7 27.0 27.1 54.7 25.0 48.7 34.8 26.2 25.2 54.1 24.7 48.1 35.0 26.5 25.1 53.4 25.4 47.4 35.1 26.6 25.3 52.8 23.9 46.8 35.3 25.1 24.3 52.3 24.6 46.3 35.4 24.9 23.6 51.8 23.6 45.8 35.5 24.6 23.5 51.4 22.5 45.4 35.7 24.2 24.4 50.9 23.1 44.9 35.8 23.9 23.0 50.4 22.1 44.4 36.0 21.7 21.2 49.9 21.4 43.9 36.1 21.6 21.2 49.5 21.8 43.5 36.3 22.6 21.4 49.1 20.7 43.1 36.4 21.5 21.7 48.9 20.2 42.9 36.5 22.2 21.6 48.8 21.0 42.8 36.7 22.1 21.3 48.6 21.1 42.6 36.8 21.6 21.5 48.7 20.7 42.7 37.0 22.0 21.4 48.8 20.9 42.8 Summary...: Average noise 26.0 to 34.0 kHz: 71.5 dB