3.1.1.10. Product comparison table

Basic

STEMlab 125-10

STEMlab 125-14
STEMlab 125-14 LN
STEMlab 125-14 ext. clk

STEMlab 125-14-Z7020-LN

SDRlab 122-16
SDRlab 122-16 ext clk

SIGNALlab 250-12

Processor

DUAL CORE ARM CORTEX A9

DUAL CORE ARM CORTEX A9

DUAL CORE ARM CORTEX A9

DUAL CORE ARM CORTEX A9

DUAL CORE ARM CORTEX A9

FPGA

FPGA Xilinx Zynq 7010 SOC

FPGA Xilinx Zynq 7010 SOC

FPGA Xilinx Zynq 7020 SOC

FPGA Xilinx Zynq 7020 SOC

FPGA Xilinx Zynq 7020 SOC

RAM

256MB (2Gb)

512MB (4Gb)

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

Micro SD up to 32GB

Console connection

USB to serial converter required

micro USB

micro USB

micro USB

USB-C

Power connector

Micro USB

Micro USB

Micro USB

Micro USB

Power Jack
RJ45 (PoE version only)

Power consumption

5V, 1,5A max

5V, 2A max

5V, 2A max

5V, 2A max

24V, 0.5A max

Connectivity

STEMlab 125-10

STEMlab 125-14
STEMlab 125-14 LN
STEMlab 125-14 ext. clk

STEMlab 125-14-Z7020-LN

SDRlab 122-16
SDRlab 122-16 ext clk

SIGNALlab 250-12

Ethernet

1Gbit

1Gbit

1Gbit

1Gbit

1Gbit

USB

USB 2.0

USB 2.0

USB 2.0

USB 2.0

2 x USB 2.0

WIFI

requires WIFI dongle

requires WIFI dongle

requires WIFI dongle

requires WIFI dongle

requires WIFI dongle

Synchronisation

/

Daisy chain connector (up to 500 Mbps)

Daisy chain connector (up to 500 Mbps)

Daisy chain connector (up to 500 Mbps)

Daisy chain connector (up to 500 Mbps)

RF inputs

STEMlab 125-10

STEMlab 125-14
STEMlab 125-14 LN
STEMlab 125-14 ext. clk

STEMlab 125-14-Z7020-LN

SDRlab 122-16
SDRlab 122-16 ext clk

SIGNALlab 250-12

RF input channels

2

2

2

2

2

Sample rate

125 MS/s

125 MS/s

125 MS/s

122.88 MS/s

250 MS/s

ADC resolution

10 bit

14 bit

14 bit

16 bit

12 bit

Input impedance

1MOhm/10pF

1MOhm/10pF

1MOhm/10pF

50 Ohm

1MOhm

Full scale voltage range

±1V (LV) and ±20V (HV)

±1V (LV) and ±20V (HV)

±1V (LV) and ±20V (HV)

0.5Vpp/-2dBm

+-1V / +-20V (software selectable)

Input coupling

DC

DC

DC

AC

AC / DC (software selectable)

Absolute max. Input voltage range

30V

30V

30V

DC max 50V (AC-coupled) 1 Vpp for RF

30V

Input ESD protection

Yes

Yes

Yes

Yes

Yes

Overload protection

Protection diodes

Protection diodes

Protection diodes

DC voltage protection

Protection diodes

Bandwidth

DC-50MHz

DC-60MHz

DC-60MHz

300 kHz - 550 MHz

DC - 60MHz

RF outputs

STEMlab 125-10

STEMlab 125-14
STEMlab 125-14 LN
STEMlab 125-14 ext. clk

STEMlab 125-14-Z7020-LN

SDRlab 122-16
SDRlab 122-16 ext clk

SIGNALlab 250-12

RF output channels

2

2

2

2

2

Sample rate

125 MS/s

125 MS/s

125 MS/s

122.88 MS/s

250 MS/s

DAC resolution

10 bit

14 bit

14 bit

14 bit

14 bit

Load impedance

50 Ohm

50 Ohm

50 Ohm

50 Ohm

50 Ohm

Voltage range

±1V

±1V

±1V

1Vpp/ +4 dBm

+-2V / +-10V (Hi-Z load) (software selectable)

Short circut protection

Yes

Yes

Yes

N/A, RF transformer & AC-coupled

Yes

Connector type

SMA

SMA

SMA

SMA

BNC

Output slew rate

2V / 10ns

2V / 10ns

2V / 10ns

N/A

10V / 17ns

Bandwidth

DC-50MHz

DC-60MHz

DC-60MHz

300 kHz - 60 MHz

DC - 60MHz

Extension connector

STEMlab 125-10

STEMlab 125-14
STEMlab 125-14 LN
STEMlab 125-14 ext. clk

STEMlab 125-14-Z7020-LN

SDRlab 122-16
SDRlab 122-16 ext clk

SIGNALlab 250-12

Digital IOs

16

16

16

16

16

Analog inputs

4

4

4

4

4

Analog inputs voltage range

0-3,5V

0-3,5V

0-3,5V

0-3,5V

0-3,5V

Sample rate

100kS/s

100kS/s

100kS/s

100kS/s

100kS/s

Resolution

12bit

12bit

12bit

12bit

12bit

Analog outputs

4

4

4

4

4

Analog outputs voltage range

0-1,8V

0-1,8V

0-1,8V

0-1,8V

0-1,8V

Communication interfaces

I2C, SPI, UART

I2C, SPI, UART

I2C, SPI, UART

I2C, SPI, UART

I2C, SPI, UART, USB

Available voltages

+5V,+3,3V,-4V

+5V,+3,3V,-4V

+5V,+3,3V,-4V

+5V,+3,3V,-4V

+5V,+3,3V,-4V

external ADC clock

N/A

yes

yes

yes

yes

Synchronisation

STEMlab 125-10

STEMlab 125-14
STEMlab 125-14 LN
STEMlab 125-14 ext. clk

STEMlab 125-14-Z7020-LN

SDRlab 122-16
SDRlab 122-16 ext clk

SIGNALlab 250-12

Trigger input

through extension connector

through extension connector

through extension connector

through extension connector

through BNC connector

Daisy chain connection

N/A

over SATA connection

over SATA connection

over SATA connection

over SATA connection

Ref. clock input

N/A

N/A

N/A

N/A

through BNC connector

Note

RedPitaya devices:

  • should be operated at normal conditions with ambient temperatures not exceeding 30°C (86°F) and should not be covered.

  • are intended for Indoor use, maximum altitude: 2000 m, pollution degree 2, and relative humidity ≤90%

  • intended for use with low-voltage energy sources and signals: it should not be used in any direct connection with voltages above 30 volts.

Warning

All inputs and outputs available through (SMA/BNC) connectors share a common ground connected to the power supply ground.

Warning

Power supply precautions:

  • STEMlab 125-14, STEMlab 125-14-Z7020, STEMlab 125-10, SDRlab 122-16 shall only be powered by an isolated external power supply providing 5 volts direct current, and a maximum current of 2 amperes. The KA23-0502000DES model is recommended. Any other external power supply used with Red Pitaya must comply with relevant regulations and standards applicable in the country of use.

  • SIGNALlab 250-12 shall only be powered by an original KA2401A 24V/1A isolated power supply or through RJ45 ethernet connector (PoE version only).