Olympus OmniScan MX - Acoustic Specifications; DMTA-20015-01 EN [U8778402], Rev. M, February; Table 52 Acoustic Specifications - OMNI-M-PA32128 PR

DMTA-20015-01EN [U8778402], Rev. M, February 2017
Appendix I 162
I.1 Acoustic Specifications
This section lists the acoustic specifications for the pulser, receiver, and beam
formation (see Table 52 on page 162).
Table 52 Acoustic specifications — OMNI-M-PA32128PR
Pulser
Voltage Low: 45 V
High: 90 V
Pulse width Adjustable from 30 ns to 500 ns; resolution
of 2.5 ns
Fall time <5 ns
Pulse shape Negative square pulse
Output impedance <30 Ω
Receiver
Gain range 0 dB to 74 dB in steps of 0.1 dB, maximum
input signal 1.3 Vp-p (pulse-echo channel)
and 0.9 Vp-p (pitch-catch channel)
Input impedance 50 Ω (pulse-echo channel) and 150 Ω (pitch-
catch channel)
System bandwidth 0.53 MHz to 21 MHz, ±10 % (−3dB)
Beam formation
Scan type Sectorial and linear
Aperture 32 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