6. Technical Specification

6.1. Basic Composition

  • the us4R™ device (with probe adapter)

  • 4 or 8 PCIe cable

  • 1 or 2 PCIe adapter card

  • 1x mains power cable

  • (optional) ultrasound probe

  • (optional) PC system controller with GPU cards

  • User Manual (on-line)

6.2. Technical data and Detailed specification

Input

Mains power

120VAC/60Hz, 230VAC/50Hz

Average power usage /Typical max. power usage (active TX/RX)

300W / 500W

Max power

1200W

Transmit

Number of channels

128‑1024 (depends on configuration)

Transmit frequency

up to 20MHz (Model: R-2021); up to 30MHz (Model: R-2023)

Tx time delay resolution

up to 5 ns (depends on the system clock)

Programmable TX voltage

up to 180Vpp (±90V)

TX pulsers levels

3 (Model: R-2021), 3/5 (Model: R-2023 - depends on configuration)

Per-channel programmable

center frequency, pulse width (pulse duty cycle), pulse length, polarity and delay

Pulse repetition frequency

up to 100 kHz

Receive

Number of channels

128‑256 (depends on configuration)

Frequency range

up to 50MHz

Programmable anti-aliasing filter (cutoff) (depends on configuration)

10, 15, 20, 30, 35, 40, 50, 60 MHz

Amplifier gain (depends on configuration)

  • LNA with programmable gain: 24, 18, 12

  • Voltage-Controlled Attenuator: 40dB

  • Programmable Gain Amplifier: 24, 30 dB

  • Total signal chain gain: 54 dB (max)

  • TGC update rate 1MHz

Data sampling (depends on configuration)

14-bit @ 65MSPS or 16-bit @ 120MSPS

Raw data buffer

up to 128MB per channel

External synchronization

Output for synchronization

digital, LVTTV 3.3V, 50\(\Omega\) output impedance

Input for synchronization

digital, LVTTV 3.3V, 50\(\Omega\) input impedance

Reference clock output

digital, LVTTV 3.3V, 50\(\Omega\) output impedance

Reference clock output

digital, LVTTV 3.3V, 50\(\Omega\) input impedance

Transducers & Ultrasound probes

Ultrasound probe connectors

2 connectors of the 2D (linear/phase/convex) probe or up to 4 connectors of the 2D array probe (up to 8 connectors for permanently connectd probes)

Supported probes

  • 2D probes (linear/phase/convex): up to 192 el. from Esaote and up to 128 from ATL/Philips/Ultrasonix

  • Matrix-array 32x32 from Vermon (MAT2372)

  • probes with up to 1024-elements via a dedicated custom Probe Adapter.

Interface

Data streaming interface

Single/Dual PCIe gen3 x16

Raw data real-time streaming data rate (wire speed)

1x/2x 16 GB/s

Streaming method

PCIe Direct Memory Access

Accessories required for operation

PC host

e.g. Lenovo Thinkstation P620

CPU

e.g. AMD Ryzen Threadripper PRO, Intel® Xeon W-2223

Memory – RAM

e.g. 32 GB

Storage

e.g. 1TB NVMe PCIe

Operating system

Microsoft Windows 10 Pro (64-bit) / Linux Ubuntu 20.04 or newer

GPU (optional)

e.g. High-performance NVidia GPU with GPU-Direct support

PCIe adapter card

e.g. Dolphinics PXH832 or MXH (depends on configuration)

Accessories

e.g. LCD monitor with DP input, USB keyboard and mouse

Software

Low-level API

C++ (currently RF data acquisition only); Python; Matlab®

Physical / Environmental

System size (DxWxH) [mm]

264 x 445 × 154 mm high without probe adapter; total high may slightly differ depending on the Probe Adapter used: +31mm (MAT2372), +37mm (EPA), +50mm (PAU), +38mm (VPA)

System Weight

10.5 kg

Ingress protection

IP2x

Mobility

portable

Environmental conditions

  • Application: laboratory

  • up to 2000 m

  • pollution degree II

6.3. Current system limitations

Here is a list current system limitations:

  • Standard sampling frequency is 65MSPS. Sampling at 120MSPS requires a change of system configuration.

The above limitations may be removed in future versions of the system software/firmware.