Acqiris SA220P Bedienungsanleitung
AcqirisSA220P
AcquisitionCard
2channels,14-bit,1GS/sor2GS/s,
DCupto1.2GHzbandwidth
User'sManual
2 Acqiris SA220P User's Manual
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© Acqiris, 2018 - 2020
No part of this manual may be reproduced in any form or by any means (including electronic storage
and retrieval or translation into a foreign language) without prior agreement and written consent from
Acqiris SA as governed by international copyright laws.
Version
June 2021
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SA220P Acquisition Card User's Manual
Acqiris SA220P User's Manual 3
SA220PAcquisitionCardUser'sManual
This help document is intended to provide in-depth information and reference material specific to
your ADC card.
For information about installation and about getting started with your ADC card, please refer to the
Startup Guide which can be downloaded from https://extranet.acqiris.com/ or which is installed with
your software.
Content
SA220P Acquisition Card User's Manual 3
Content 3
Introduction 5
New generation of Signal Acquisition Cards 5
Product description 5
Product configurable options 7
Main Card Features 8
1.1 SA220P front panel features 9
1.2 Channel input specifications 10
1.3 Sampling and data acquisition 12
1.4 Calibration 13
1.5 Trigger 15
Signal Acquisition Modes and Real-Time Processing 17
2.1 Digitizer acquisition mode 18
2.2 Real-time averaging mode (AVG option) 22
Readout Modes 29
3.1 Standard readout modes 29
3.2 Simultaneous acquisition and readout (CST option) 30
3.3 Averager with simultaneous acquisition and readout (AVG & CST) 41
Other Signal Processing Features 44
4.1 Baseline stabilization and digital offset 45
4.2 Sampling rate reduction (binary decimation) 48
4.3 Data inversion 49
4.4 Thresholding (Zero-Suppress - ZS1 option) 50
Control and Synchronization 61
5.1 External reference 62
5.2 Trigger modes and time-stamps 62
5.3 Trigger output 67
Content
4 Acqiris SA220P User's Manual
5.4 Multi-purpose inputs and outputs 69
Programming Information 71
6.1 Overview of the AqMD3 Driver 71
6.2 Programming with the IVI-C Driver in various development environments 72
6.3 Migrating from MD2 2.x to MD3 3.x 74
6.4 Initial configuration 75
6.5 Apply setup 76
How To ... ? 77
7.1 How to discover the PXI Instrument? 78
7.2 How to calibrate the card? 79
7.3 How to configure and read data on two channels? 81
7.4 How to access repeated capabilities? 82
7.5 How to generate a software trigger? 83
7.6 How to enable or bypass the bandwidth limiter? 84
7.7 How to set the external trigger? 85
7.8 How to perform binary decimation? (depending on firmware) 86
Software utilities 87
8.1 ADC card Verification Utility (AqMD3Verify) 87
FAQ 89
9.1 Q. What is coherent sampling? 89
9.2 Q. How to manage the internal temperature? 89
9.3 Q. What happens if the host processor goes in hibernation mode? 90
General information 91
10.1 Safety notes 91
10.2 Cleaning precautions 93
10.3 Product markings 93
10.4 Electrical &environmental specifications 94
10.5 Related documentation 94
Introduction
Acqiris SA220P User's Manual 5
Introduction
New generation of Signal Acquisition Cards
The Acqiris SA2 is a high-performance 14-bit ADC card platform, performing signal acquisitions
from 1GS/s up to 10GS/s, with excellent signal fidelity across a wide bandwidth. This new card and
module generation with advanced real-time processing capabilities is designed for embedded OEM
applications in a variety of challenging measurements, imaging and processing systems.
Product description
The SA220P ADC card is the 2 GS/s or 1 GS/s, dual channel version of the SA2 product family. This
unique DC-coupled 14-bit digitizer captures waveforms from DC up to 1.2 GHz.
Product description
6 Acqiris SA220P User's Manual
Featuring very long acquisition memory up to 8 GB, the SA220P includes a powerful Xilinx Kintex
UltraScale FPGA offering real-time signal processing capability such as waveform averaging or
peak listing. The PCIe Gen 3 interface enables high data transfer rate and streaming capabilities to
the host computer at up to 6.5 GB/s. This ADC card occupies a single PCIe slot, offering high
performance in a small footprint.
All the ADC cards and modules from the SA2 family implement a proprietary low noise front-end.
With undisputed spurious-free dynamic range (SFDR) and signal noise ratio (SNR) performances in
high frequencies, it is ideal for OEM applications requiring digitizer sampling at wide bandwidth and
very high dynamic range, especially at 500 mV full scale range (FSR). Moreover, optimized
response allows few hundred picoseconds pulse analysis. Overall performance enables final
products to measure deeper, faster and more precisely.
Figure 1.1 - SA220P block diagram
Product configurable options
Acqiris SA220P User's Manual 7
Most of the technical specifications concerning your particular ADC card are covered in this manual,
however for the complete specifications please refer to the SA220P datasheet.
Product configurableoptions
The SA220P comes with several options:
Sampling rate version:
2 GS/s (default)
1 GS/s (-LSR option)
Additional memory:
4 GB (MEA option)
8 GB (MEB option)
ADC Card modes:
Digitizer mode (DGT)
Real-time averaging (AVG option)
Optional features:
Simultaneous acquisition and readout - Streaming records (CST option)
Zero Supress - Thresholding (ZS1 option)
Custom firmware capability (CFW option)
Dedicated application option:
Configuration and firmware for Swept-source OCT (SS4 option)
Other internal references:
I/O ports for SA220P: 3 I/Os, 2 analog outputs, 1 trigger output (EXA)
Limited bandwidth - for 1 GS/s version (LBW)
1.1 SA220P front panel features
Acqiris SA220P User's Manual 9
1.1 SA220P front panel features
Front panel connectors
Connector Type Description
TRG IN MMCX
female External trigger input, 50 Ω DC terminated, ± 5 V range.
IN 1, 2
SMA
female
Analog signal inputs, DC-coupled and 50 Ω terminated. The input full scale
ranges are selectable:
Voltage 500 mV FSR 2.5 V FSR
Recommended maximum
operating voltage ± 600 mVpk ±3 Vpk
TRGOUT1
MMCX Trigger Out signal (programmable).
50Ω source, LVCMOS 3.3V
I/O 1, 2, 3
MMCX
User configurable digital Input / Output signal.
DC coupling, LVCMOS 3.3 V.
Output: 50Ω source, Input: +5V max.
REF IN MMCX External reference clock input, AC coupled and 50 Ω terminated.
It can accept a 10MHz or a 100 MHz signal from -3 to +3 dBm.
AN OUT 1, 2
MMCX
Application dependent analog signal from a 12-bitDAC, controlled by the
internal FPGA.
DC coupling, 300 Ω source, programmable output up to ± 10V.
Table 1.1 - List of SA220P front-panel IOs.
The ADC card can usually work with signal present at the external reference input (REF IN).
However, to ensure the best performance, or if the calibration is found to be unreliable, it is
recommended to remove such signals when working with internal clock.
1The trigger out connector depends on the product version.
1.2 Channel input specifications
10 Acqiris SA220P User's Manual
1.2 Channel input specifications
This section provides information and specifications regarding the input characteristics of the ADC
card.
The SA220P provides two 14-bit DC-coupled channels at the sampling rate of up to 2 GS/s.
Channel input
The SA220P has the following front end capabilities:
Coupling / Impedance Full Scale Ranges (FSR) Maximum operating voltage Input voltage offset
DC / 50 Ω
500 mV ± 600 mVpk ± FSR/2
2.5 V ± 3 Vpk ± FSR/2
Table 1.2 - Channel input specifications.
Impedance & coupling
The input channel termination is 50Ω. The input coupling is DC.
Input protection
The input amplifiers are designed to accept signals within the absolute maximum operating voltages
shown in the table.
Bandwidth and rise time
The bandwidth specification indicates the frequency at which an input signal will be attenuated by
3dB (approximately 30% loss of amplitude).
The bandwidth of the SA220P is from DC to 1.2 GHz (typical) with a sampling rate of 2 GS/s.
The 1 GS/s version (LSR/LBW options) has a bandwidth from DC to 475 MHz (typical).
The bandwidth also has an impact on the minimum rise and fall times that can be passed through
the front-end electronics. A pulse with a very sharp edge will be observed to have a minimum rise
time Tmin determined by the front-end electronics. In general a pulse with a given 10-90% rise time
T10-90real will be observed with a lower value given by:
T10-902=T10-90real2+Tmin2
where Tmin(ns) ≈ 0.35/BW(GHz).
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