DAQ card for Distributed Acoustic Sensor System

This is a PCIe x8 Lane, dual-channel, 14bits rate fiber optic sensing and demodulation card with a sampling rate of 250MSps. By adopting high-capacity data cache and high-speed data transmission engine technology, it supports real-time upload of raw data with data transmission rate up to 2GB/s.The driver has good compatibility and supports multiple versions of WIN7, WIN8, WIN10 with 32/64bits, as well as CentOS and Ubuntu systems.

If you want to know the product details and prices, or If the parameters are not suitable, you can contact me for customization.

Name：Huang （Sales Engineer）

WeChat： 13427781756 (Scan QR Code）

WhatsApp：+8613427781756 Web | App

Email：Huangqianyuan@glgyzn.com

Purchase from our overseas sales department (YB Photonics)

Features

Built-in IQ demodulation algorithm
14bits dual-channel simultaneous real-time sampling
250MSps sampling rate
DC coupling, 50Ω input impedance
2Vpp input voltage range, 0-125MHz analog bandwidth
Trigger output pulse, 16-channel digital IO
PCI Express x8 Lane High Speed Transfer Interface

Specifications

Parameters	GY-DAS-250-DAQ
Input Channel
Number of input channels	2
Input Impedance	50±1%	Ω
Input Signal Range	2Vp-p/10dBm
Input coupling method	DC（可定制AC耦合）
Resolution	14	bits
Bandwidth(-3dB)	0-125	MHz
Spurious-free dynamic range（SFDR）	-1dBFS输入/100MSps
fIN=26MHz	88.5	dBc
fIN=42MHz	88.9	dBc
Signal-to-noise ratio（SNR）	-1dBFS输入/100MSps
fIN=26MHz	70	dBFS
fIN=42MHz	72	dBFS
Average noise density	-140	dBm/Hz
Internal reference clock
Frequency	10	MHz
Stability	±0.5（-20-60℃）	ppm
Trigger output
High level minimum voltage	3.3	V
Pulse width resolution	10	nS
Minimum pulse width	10	nS
Digital input/output
Number of channels	16
Leveling standards	3.3V LVTTL
Output drive capability	8（MAX）	mA
Signal Rate	50（MAX）	Mbps
On-Board Cache	2	GB（DDR3L）

DAQ card for Distributed Acoustic Sensor System