High-speed FPGA capture card

The main function:

Two-channel analog signal acquisition

Key features:

A and B2 channels (simultaneous real-time sampling);

Bandwidth (-3dB): 80MHZ;

Conversion accuracy: 12 bits

Input range: ±1V, ±2.5V, ±5V

Input coupling: AC/DC

Input interface mode: SMA(M)

Input impedance: 50Ω, 1MΩ (can be set)

Input overvoltage protection: ±10V (DC+AV peak value)

Performance parameters:

Number of analog channels: A and B 2 channels (simultaneous real-time sampling)

Bandwidth (-3dB): 80MHz

Conversion accuracy: 12 bits

Input range: ±1 V, ±2.5V, ±5V

Input coupling: AC/DC

Input interface mode: SMA(M)

Input impedance: 50Ω, 1MΩ (can be set)

Input overvoltage protection: ±10 V (DC + AC peak)

Sampling rate (real-time): When using 1 analog channel, the maximum sampling rate is 200MS/s; when using 2 analog channels, the maximum sampling rate is 100MS/s. At the same time, the sampling rate of each channel can be adjusted to 1kS/s, 2kS/s, 5kS/s, 1MS/s, 2MS/s, 5MS/s, 10MS/s, 20MS/s, 50MS/s, 100MS/s, 200MS /s (for single channel).

Buffer memory: DDR2, cache 1G

Data transmission interface: PCIE interface, transmission speed 533MB/s

Trigger: external trigger and A channel trigger

Trigger type: rising edge, falling edge

External trigger input: Connector type: SMA

Input impedance: 50Ω

Continuous sampling time of each channel after triggering: ①10μs -1000μs (set by software, step 1μs). ②The buffer memory capacity is limited.

Overvoltage protection: ±10 V (DC + AC peak)

Integrated independent pulse signal generator: rising edge of pulse: ≤5ns;

Pulse width: 10ns-200ns adjustable (10ns step)

Repetition frequency: 1KHz-20KHz (1 KHz step)

Pulse amplitude: support 0-10V adjustable, (0.5V step), accuracy 1%

Output: SMA(M), impedance 50Ω, provide signal output and synchronous trigger output (synchronous trigger adopts TTL5V level, without amplitude modulation)

System measurement accuracy: 0.2%; non-linear error: ±3LSB (maximum);

Effective bit (ENOB): 9.1

Operating temperature range: 0°C to 40°C

Storage: –20°C to 60°C

Board size:

Try to be 15cm*10cm

Included software:

(1) PC test software for Windows 7 64-bit (32-bit compatible);

(2) SDK and sample program and driver interface for Windows (dll library link file, can be directly called by labview, library file function is specified by user);

(3) The software can output txt files, (database files, which are software functions can not be added)

Note:

(1) The internal FPGA can average the collected data curve for a specified number of times and output the result (average number 0-32768 can be set).

(2) Reserve FPGA debugging ports and some resources, allowing users to write algorithms and debugging by themselves.

Performance parameter

Industry Classification: Industrial Electronics

Development Platform :

Delivery form: PCBA

Performance parameters: Number of analog channels: A and B 2 channels (simultaneous real-time sampling), bandwidth (-3dB): 80MHz, conversion accuracy: 12 bits

Application scenario: dual-channel analog signal acquisition