DMTA-20015-01EN [U8778402], Rev. J, January 2014
Appendix G
152
G.1 Acoustic Specifications
This section details the acoustic specifications of the pulser, receiver, and beam
formation (see Table 47 on page 152).
Table 47 Acoustic specifications
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 (–3 dB)
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