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STEMlab 125-14 SDR Transceiver Kit Basic

The STEMlab 125-14 is a powerful measurement tool that can be used in many different situations. It can be used as an Oscilloscope & Signal Generator, as a Spectrum analyzer or even as Bode analyzer.

The provided software is intuitive and straightforward and has enough functions to satisfy even the most demanding of professionals. Also, the STEMlab's capabilities can be expanded using the "Marketplace", which contains applications developed by the community.

Prix 763,00 $US

Membres 687,00 $US

Disponible

Ce produit sera expédié dans 15 jours

Détails

Package

  • Red Pitaya STEMlab 125-14 board
  • 160-10m, 10W transceiver module
  • Impedance transformer board
  • SD card (4GB, class 8)
  • ETH cable (1m)
  • Power supply (5V, 2A)

SDR Transceiver

STEMlab 125-14 is coupled with SDR transceiver module, and a free of charge customized Power SDR. STEMlab edition becomes a fully functional SDR transceiver with 160-10m band coverage and 10W of output power. It gives an out of the box, affordable and high-performance SDR transceiver solution.

  • Receiver architecture: direct sampling /high internal performance 125Msps 14-bit A/D
  • Receiver: 25KHz – 62,5MHz
  • Transmitter: 160-10m 10W transmitter
  • Rx pre-amp: 15 / 30 dB
  • Rx att: 12 dB / 24 dB / 36 dB
  • Antenna ports: 2
  • Modulations: AM, FM, RTTY, CW, LSB, USB, DIGITAL (limited only by the application software)
  • Software: Power SDR STEMlab/HAMlab edition

WSPR: Weak Signal Propagation Reporter

It is used for weak-signal radio communication between amateur radio operators. The program is designed to send and receive low-power transmissions to test propagation paths on the MF and HF bands.

Skimmer Server

A new version of Red Pitaya SDR software has been released that can support skimming on up to 8 bands at the same time at 192 kHz, making it more potent than the QS1R, which could only skim seven bands.  Upgrading and installation are very easy.
CW & RTTY Skimmer Server captures all CW & RTTY spots on eight bands simultaneously and can optionally send this data to online central database Reverse Beacon Network, which includes a mapping facility.

Oscilloscope & Signal Generator

Oscilloscope application will turn your STEMlab 125-14 board into a 2-channel Oscilloscope & Signal generator. It is the perfect tool for anyone seeking an affordable, highly functional test and measurement equipment.
It generates and measures electrical signals up to 50MHz. The simple and intuitive user interface simplifies the process of signal analysis and measurements. The high-end specifications will satisfy more demanding users looking for powerful tools for their working benches.
The application is web-based and doesn’t require an installation of any software. Users can access them via any web browser using their smartphone, tablet or a PC.

Oscilloscope Signal Generator List

1. Autoscale 2. Channels / Trigger / Measuring Tools 3. Axis control panel 4. Channel Setting display

Autoscale: Automatically sets up the settings for the display of the input signals. With a press of a button, the voltage- and time- axis are set so that at least one period of the signal will fill the screen.Autoscale

Inputs: On the right side of the application interface the IN1 and IN2 channels are listed. By clicking on the name of a channel, it gets highlighted, and you can directly control all the settings of the respective channel.

The available settings are: SHOW | INVERT | Probe attenuation | Vertical offset | LV | HV

Oscilloscope Inputs

Outputs: On the right side of the application interface the OUT1 and OUT2 channels are listed. By a simple clicking on the name of a channel the channel gets highlighted and you can directly control the settings of the respective channel.

The available settings are the following: ON | SHOW | Type | Trigger | Frequency | Amplitude | Offset | Phase | Duty cycle.

 Output waveforms: SINE, SQUARE, TRIANGLE, rising & falling sawtooth, DC and PWM
Oscilloscope outputs

Trigger: The Trigger is used to enable the scope to display changing waveforms on the screen. The parameter Source defines the trigger source used. The trigger source can be input channel 1 or input channel 2 or an external source. The available settings are: LEVEL | NORMAL | SINGLE | AUTO | STOP | RUN

Oscilloscope Trigger

Math: Among the more exciting features of a digital oscilloscope is the "math" channel. The available settings are : Addition | Subtraction | Multiplication | ABS(absolute value) | dy/dt(time derivation) | ydt(time integration) | INVERT
Oscilloscope Math

Cursor: This feature enables the user to quickly get the data of relevant measurements such as signal period, amplitude, time delay, amplitude difference between two points, time difference, etc.
Oscilloscope Cursor

Navigate: Having a lot of data to analyze, makes it essential to get through them quickly. Navigate left and right by dragging the data and effortlessly zoom in and out by using your mouse scroll wheel.Oscilloscope Navigate

Measurements: The menu is located under the MEAS button. Select the desired measurement and then set the Signal from which channel the value should be taken. Clicking on DONE shows the value in the bottom of the channel settings. The available settings are the following: P2P | MEAN | MAX | MIN | RMS | DUTY CYCLE | PERIOD

Oscilloscope Measurements

Spectrum analyzer

This application will turn your STEMLab 125-14 board into a 2-channel DFT Spectrum Analyzer. It is the perfect tool for anyone seeking an affordable, highly functional test and measurement equipment.
The DFT Spectrum analyzer application enables a quick and powerful spectrum analysis using a DFT algorithm. Frequency span is from DC up to 62.5 MHz where the frequency range can be arbitrarily selected. You can easily measure the quality of your signals, signal harmonics, spurious and power.
The application is web-based and doesn’t require an installation of any software. Users can access them via any web browser using their smartphone, tablet or a PC.

Spectrum Analyzer

1. Run/Stop and Export button 2. Inputs / Cursors / Range / Axis control panel 3. Graph area 4. Waterfall plots

Inputs: The available settings are the following: SHOW, FREEZE, MIN, MAX
Spectrum Analyzer Inputs

Cursors: The cursors are an additional vertical and horizontal pair of lines useful for determining the values of the spectrum plots.
Spectrum Analyzer Cursor

Range: The range settings are used to set a frequency span. This feature is useful when the frequency range of interest is smaller than the full frequency range of the Spectrum analyzer application.
Spectrum Analyzer Range

Peak Detection: During the measurement, peak values are measured and shown on the “Peak Values” field. Peak values are max. values of the signal spectrum regardless of the selected frequency range. This peak finding prevents not seeing peak values which are outside the selected frequency span.
Spectrum Analyzer Peak Detection

Waterfall Plots: Waterfall plots are a different way of the signal spectrum representation. The color on the plot defines the signal amplitude for a certain frequency. The waterfall plot is also useful when enabling the representation of the signal spectrum in a time dependency.
Axis Control: Horizontal +/- buttons are used to select the span of the X (frequency) axis. The vertical +/- buttons change the Y (amplitude) axis range. Reset button when selected reset frequency and amplitude span do default values.
Spectrum Analyzer Axis Control

Bode analyzer

This application will turn your STEMLab 125-14 into an affordable Bode analyzer. It is the perfect tool for anyone seeking an affordable, highly functional test and measurement equipment.
The Bode analyzer is an application for measuring frequency responses of the active/passive filters, complex impedances, and other electronic circuits. The Gain / Phase frequency response can be used to characterize any device; you can perform linear and logarithmic sweeps. Gain and Phase can be measured from 1Hz to 60MHz. The primary user interface enables quick interaction and parameter settings. The Bode analyzer can be used for the measurement of Stability of control circuits such as the DC/DC converters in power supplies, Influence of termination on amplifiers or filters, Ultrasonic and piezoelectric systems and similar.
The application is web-based and doesn’t require the installation of software. Users can access them via any web browser using their smartphone, tablet or a PC.

Bode Analyzer

1. Stop/Run 2. Measurement settings panel 3. Plot settings panel 4. Gain graph 5. Phase graph

Plot settings panel: Sets the Gain- / Phase- graph ranges and also manual or auto-scale mode.
Bode Analyzer Plot settings panel

Gain graph: The Gain frequency plots the response of the device for the selected frequency range.
Phase graph: The Phase frequency plots response of the device for the selected frequency range.
Bode Analyzer Gain/Phase Graph

Calibration function: Enables calibrating long leads and removing leads and cables, that affect the final measurements. The calibration will also calibrate your STEMLab in case any parasitics effects are present.
Bode Analyzer Calibration

Marketplace

The Marketplace contains applications that were developed by the Red Pitaya community
Marketplace

Réf. 18825
Constructeur Red Pitaya

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