Table 1.
pAM (orange) and xAM (white) input transducer voltages generating a 10 dB CTR at 4 mm.
| θ (°) | pAM | 1.5 | 3.0 | 4.5 | 6.0 | 7.5 | 9.0 | 10.5 | 12.0 | 13.5 | 15.0 | 16.5 | 18.0 | 19.5 | 21.0 |
| V4 mm | 1.9 | 4.6 | 4.3 | 3.7 | 3.3 | 3.4 | 3.8 | 3.9 | 4.2 | 4.1 | 4.5 | 4.5 | 4.7 | 5.0 | 5.5 |
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