4-channels DAS data DAQ board
4-channel distributed fiber optic acoustic sensing DAS data DAQ board with 250M sample rate, supporting raw data acquisition and 2-channel or 4-channel IQ demodulation.
Huang
Email: Hqy@ybphotonics.com
Product Info
Introduction
YB-DAS-6940-DAQ is a 4-channel high-speed data acquisition card with 250M sampling rate. It adopts PCIe x8 interface and supports 4-channel raw signal sampling and IQ demodulation of the sampled data.
The driver of this acquisition card is stable and can support both Windows and Linux platforms.
Features
- 14bits 4-channel simultaneous real-time sampling
- 250MSps sampling rate
- DC coupling, 50Ω input impedance
- 2Vpp input voltage range, 0-125MHz analog bandwidth
- Up to 88dBc SFDR
- Trigger output pulse, 16-channel digital IO
- PCI Express x8 Lane high-speed transfer interface
- 2GB DDR3 cache
- Built-in fiber optic sensing and demodulation algorithm
Technical Specifications
Input Channel
Number of input channels
4
Input Impedance
50±1%
Ω
Input Signal Range
2Vp-p/10dBm
Input coupling method
DC（Customizable AC coupling）
Resolution
14
bits
Bandwidth(-3dB)
0-125
MHz
Spurious-free dynamic range（SFDR）
-1dBFS Input/250MSps
fIN=26MHz
88.5
dBc
fIN=42MHz
88.9
dBc
Signal-to-noise ratio（SNR）
-1dBFS Input/250MSps
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
4 ns Minimum pulse width
4 ns
Digital Input/OutputNumber 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）
Power supply and consumption- Power supply voltage: 12V (gold finger power supply)
- Power consumption: 22W (Max)
Temperature range
- Working temperature：-20~60℃
- Storage temperature：-40~85℃
Mechanical dimensions
- 181mm(L) x 111mm(W)x20mm(D)
Interface Definitions
Order Information
GY-DAS-6940-DAQ-X
Firmware version X Description
V1 Defualt。
Supports Winodws operating systems and discrete graphics cards, but not Linux operating systems
V2 Both Windows and Linux operating systems are supported, but not discrete graphics cards.
The default is version V1, if you need to run on Linux operating system, then please choose version V2. But the V2 version does not does not support discrete graphics cards.
YB-DAS-6940-DAQ is a 4-channel high-speed data acquisition card with 250M sampling rate. It adopts PCIe x8 interface and supports 4-channel raw signal sampling and IQ demodulation of the sampled data.
The driver of this acquisition card is stable and can support both Windows and Linux platforms.
Features
- 14bits 4-channel simultaneous real-time sampling
- 250MSps sampling rate
- DC coupling, 50Ω input impedance
- 2Vpp input voltage range, 0-125MHz analog bandwidth
- Up to 88dBc SFDR
- Trigger output pulse, 16-channel digital IO
- PCI Express x8 Lane high-speed transfer interface
- 2GB DDR3 cache
- Built-in fiber optic sensing and demodulation algorithm
Technical Specifications
Input Channel
| Number of input channels | 4 | |
|---|---|---|
| Input Impedance | 50±1% | Ω |
| Input Signal Range | 2Vp-p/10dBm | |
| Input coupling method | DC（Customizable AC coupling） | |
| Resolution | 14 | bits |
| Bandwidth(-3dB) | 0-125 | MHz |
| Spurious-free dynamic range（SFDR） | -1dBFS Input/250MSps | |
| fIN=26MHz | 88.5 | dBc |
| fIN=42MHz | 88.9 | dBc |
| Signal-to-noise ratio（SNR） | -1dBFS Input/250MSps | |
| 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 | 4 | ns |
| Minimum pulse width | 4 | ns |
| 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） |
- Power supply voltage: 12V (gold finger power supply)
- Power consumption: 22W (Max)
Temperature range
- Working temperature：-20~60℃
- Storage temperature：-40~85℃
Mechanical dimensions
- 181mm(L) x 111mm(W)x20mm(D)
Interface Definitions
Order Information
GY-DAS-6940-DAQ-X
| Firmware version X | Description |
|---|---|
| V1 | Defualt。 Supports Winodws operating systems and discrete graphics cards, but not Linux operating systems |
| V2 | Both Windows and Linux operating systems are supported, but not discrete graphics cards. |
The default is version V1, if you need to run on Linux operating system, then please choose version V2. But the V2 version does not does not support discrete graphics cards.
