Red Pitaya has launched a high-end STEMlab platform – STEMlab is a test and measurement environment designed to provide a low-cost alternative to many expensive measurement and control instruments. STEMlab 250-12 offers enhanced hardware performance, complete software control and additional hardware features over  STEMlab-125 products, and is designed to meet the needs of more demanding users for industrial, research, test & measurement and data acquisition applications. Its larger FPGA enables greater real-time processing capabilities, plus faster analogue front and back-end performance. Small and portable, it also offers the benefits of remote access, with a web app user interface accessible through Ethernet or WiFi.

The new STEMlab 250-12 is a two-channel, 250 Msps 12-bit signal acquisition and two-channel 250 Msps 14-bit signal generator module with Zynq 7020 Dual-Core Arm Cortex-A9 CPU and FPGA, 1GB DDR memory and 1Gbit Ethernet connectivity. Accuracy and quality of signal is assured with 12-bit A/D converter resolution, frequency response of ±0.5 dB up to 45MHz and -3dB at 60MHz and channel isolation >60 dB (DC to 100MHz). There are two input ranges of ±1V and ±20V.  Outputs can generate signals ranging from DC to 60MHz frequency, with output voltage ranging from ±5V for a 50O load to±10V for high impedance loads.

The device also features software control for attenuators, gain and trigger level. There is one trigger input via a BNC connector on the front panel and one reference clock input (10MHz) via an SMA connector on the back panel. Signal capture is fast, with rise/fall time of 13ns input 1/20 and 11ns input 1/1. A range of interfaces that are becoming established as standard interfaces across the STEMlab product range are included on STEMlab 250-12, including USB, SPI, I2C and 16 GPIOs. The device also boasts four additional slow analogue inputs and outputs. PoE is offered on request.


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Muhammad Bilal

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