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Measured Acoustic Tank Performance for Control and Low-Loss 3-Layer Ceramic Phased Arrays
| PZT type | PZT-4 | PZT5-H |
|---|---|---|
| Backing Z (MRayl) | 0.7 | 3.2 |
| Sensitivity (dB re input) | −63.7 | −67.5 |
| Fc (MHz) | 3.3 | 3.4 |
| BW (%) | 60 | 66 |
| t-6 dB (μs) | 0.47 | 0.37 |
| t-20 dB (μs) | 1.34 | 1.24 |
| t-30 dB (μs) | 2.41 | 1.80 |
| t-40 dB (μs) | 3.61 | 3.38 |
