DMTA-20015-01EN [U8778402], Rev. M, February 2017
Appendix G
154
G.1 Acoustic Specifications
This section details the acoustic specifications of the pulser, receiver, and beam
formation (see Table 46 on page 154).
Table 46 Acoustic specifications — OMNI-M-PA16128
Pulser
Voltage Low: 40 V
High: 80 V
Pulse width Adjustable from 30 ns to 500 ns; resolution
of 2.5 ns
Fall time <10 ns
Pulse shape Negative square pulse
Output impedance <25 Ω
Receiver
Gain range 0 dB to 74 dB maximum input signal
1.32 Vp-p
Input impedance 75 Ω
System bandwidth 0.75 MHz to 18 MHz (−3dB)
Beam formation
Scan type Sectorial and linear
Aperture 16 elements
Number of elements 128 elements
Number of focal laws 256
Delay range transmission 0 µs to 10 µs in 2.5 ns increments
Delay range reception 0 µs to 10 µs in 2.5 ns increments
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