Specifications table

	STEMlab 125-10	STEMlab 125-14	SDRlab 122-16	SIGNALlab 250-12
Basic
Processor	Dual-Core ARM Cortex-A9 MPCore	Dual-Core ARM Cortex-A9 MPCore	Dual-Core ARM Cortex-A9 MPCore	Dual-Core ARM ARM Cortex-A9 MPCore
FPGA	Xilinx Zynq 7010	Xilinx Zynq 7010	Xilinx Zynq 7020	Xilinx Zynq 7020
RAM	256MB (2Gb)	512MB (4Gb)	512MB (4Gb)	1GB (8Gb)
System memory	Micro SD up to 32GB	Micro SD up to 32GB	Micro SD up to 32GB	Micro SD up to 32GB
Connectivity
Ethernet	1 Gbit	1 Gbit	1 Gbit	1 Gbit
USB	USB 2.0	USB 2.0	USB 2.0	2x USB 2.0
WIFI	using Wi-Fi dongle	using Wi-Fi dongle	using Wi-Fi dongle	using Wi-Fi dongle
RF inputs
Channels	2	2	2	2
Sample rate	125MS/s	125MS/s	122.88MS/s	250MS/s
ADC resolution	10 bit	14 bit	16 bit	12 bit
Full-scale voltage range	± 1V / ± 20V	± 1V / ± 20V	± 0.25V / -2 dBm	± 1V / ± 20V **
Input coupling	DC	DC	AC	AC/DC **
Bandwith	DC-50MHz	DC-60MHz	300 kHz - 550 MHz	DC - 60MHz
Input impedance	1M Ω	1M Ω	50 Ω	1M Ω
RF outputs
Channels	2	2	2	2
Sample rate	125MS/s	125MS/s	122.88MS/s	250MS/s
ADC resolution	10 bit	14 bit	16 bit	12 bit
Full-scale voltage range	± 1V	± 1V	± 0.5V / +4 dBm	± 1V / ± 5V (into 50 ohm load) ± 2V / ± 10V (Hi-Z load)
Load impedance	50 Ω	50 Ω	50 Ω	50 Ω
Shortcut protection	Yes	Yes	N/A, RF transformer & AC-coupled	Yes
Typical raising/falling time	2V / 10ns	2V / 10ns	N/A	10V / 17ns
Bandwith	DC - 60MHz	DC - 60MHz	300 kHz - 60MHz	DC - 60MHz
Extension connector
Digital IOs	16	16	16	16
Analog inputs	4 channels 0-3.5V 12bit	4 channels 0-3.5V 12bit	4 channels 0-3.5V 12bit	4 channels 0-3.5V 12bit
Analog outputs	4 channels 0-1.8V 12bit	4 channels 0-1.8V 12bit	4 channels 0-1.8V 12bit	4 channels 0-1.8V 12bit
Communication interfaces	I2C, UART, SPI	I2C, UART, SPI	I2C, UART, SPI	I2C, UART, SPI, USB
Available voltages	+5V, +3.3V, -4V	+5V, +3.3V, -4V	+5V, +3.3V, -4V	+5V, +3.3V, -4V
Synchronization
Trigger input	through extension connector	through extension connector	through extension connector	through BNC connector
Daisy chain connection	N/A	over SATA connection	over SATA connection	over eSATA connection
Ref. clock input	N/A	N/A	N/A	through BNC connector

**software selectable

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