Quantcast
Channel: LimeSDR - MyriadRF Discourse
Browsing latest articles
Browse All 114 View Live

Mini V2 Output Power Questions

I want to test my Lime SDR Mini V2 in loopback mode (with an RF cable connecting the TX and RX port). What kind of power settings should be used for gain (LMS_SetGaindB) with an RF cable and with...

View Article


LimeSDR Mini 2.0 Changing Frequency Spikes

Hello I have recently been trying out the LimeSDR Mini 2.0 and had a couple of questions. I have noticed when using the mini 2.0 with tools like SoapySDR or GR it has a large spike in the center...

View Article


Transmission Issues Between Two LimeSDRs

Hi, I’m currently using GNU Radio to transmit a signal from a file source between two LimeSDR-Mini v2.4 devices, connected via a wired link at 30 MHz. On the transmitter side, I’m utilizing a...

View Article

Transmit Samples Flow Control

Will the mini sdr v2 take transmit samples at a faster rate than needed? Does the application itself need to make sure it is only writing samples at the rate that it has set the mini v2 to transmit...

View Article

Image may be NSFW.
Clik here to view.

Sine Wave Transmission: High Noise Issue with LimeSDR Mini v2.4 Compared to v1.1

Hello, I am currently transmitting a sine wave using GNU Radio between the Tx and Rx of the same LimeSDR, connected through a wired cable. For both the source and sink, I am utilizing the antenna ID...

View Article


Check on the progress of the adaptor board

Andrew, This request isn’t urgent. I am hoping to pursue a grant for a project based around an SDR which I think is well matched to the LimeSDR XTRX. The granting agency highly (almost mandatory)...

View Article

Image may be NSFW.
Clik here to view.

FSK transmission between two Lime mini 2.0s

Hello! I’ve been trying to transmit and receive data with two Lime minis via FSK demodulation. I’m using the GNU Radio FSK example (link here) as a template and modified it to transmit and receive to...

View Article

Image may be NSFW.
Clik here to view.

LimeSDR Mini v2.4 Rx only works when you transmit something

Hi, I am using two different LimeSDR Mini v2.4 for a very simple sine wave transmission using gnuradio: The LimeSDR Mini v2.4 Tx and Rx both come up when you are using same LimeSDR for transmitting...

View Article


LimeSDR XTRX TX/RX sample rate

I see from the GNU Radio blocks that some of the Lime SDRs don’t support independent TX and RX sample rates. From the GRC file: Note: LimeSDR-Mini and LimeSDR-Micro supports only the same sample rate...

View Article


Image may be NSFW.
Clik here to view.

Strange/Missing Readings from LimeSDR Mini 2

Hi all, I am doing a course project that requires analyzing a wireless protocol. To get started, I tried sniffing the ambient wireless spectrum to see if my board and toolchain were working. The...

View Article

Best way to get started with the Lime Mini 2.0?

Hey everyone, I’m new to the world of SDR’s and it’s been kind of a lot to take in. I have a research project I’m working on involving RF sensing, and so I settled on the Lime Mini 2.0 as the best...

View Article

Lime Mini V2 - Low Frequency Works

Hi, I am new to the Lime Mini V2. Is it possible to listen to 2M AM radio and transmit (TX) on a 500 kHz frequency? Also, is there a consultant available for hire or support for custom applications?...

View Article

Image may be NSFW.
Clik here to view.

LimeSDR USB Receiver issues

Greetings All, It seems that my LimeSDR USB is failing some of the LimeQuickTest: … [ TESTING STARTED ] ->Start time: Wed Oct 30 08:21:56 2024 ->LimeSuite version: 22.09.1-ge83c13b9 ->Device:...

View Article


Question regarding how 2 SDRs running simultaneously are timed

I have 2 LimeSDR Minis (v 2.4) that are connected to the same clock. I am running them simultaneously and am not surprised that their output is not synchronized in time. What does puzzle me is the...

View Article

LimeSDR Mini-v2 FPGA Test Benches & FIFODC

Hello, I’ve been looking through the LimeSDR-Mini-v2_GW gateware repo in attempts to make some modifications to the rxtx data flows, and I ran into issues while trying to make use of the included test...

View Article


Image may be NSFW.
Clik here to view.

Why is Onetone pulsing?

I used to be able to play the Onetone frequency and I would see a pure sine wave on my reciever, after a program crash my Onetone (and any other waveform) seem to pulse instead of transmitting a...

View Article

LimeSDR Mini V2.0

Hi, I am new to the SDR & RF world, so apologies if question’s too broad. I am trying to get DVBS/S2 RF output from TS stream for testing purposes. I understand this is possible with LimeSDR Mini...

View Article


Image may be NSFW.
Clik here to view.

High phase noise on Lime xtrx

I have an lime xtrx v1.2 board. If apply a sine wave to the input, the timing diagram shows high phase noise. I think this is due to the instability of lo. Please tell me how to fix this. The...

View Article

Lime XTRX external clock

How сonfigure Lime XRTX to use an external clock signal? Is it possible to use internal gps receiver for more clock stability? 1 post - 1 participant Read full topic

View Article

Limesdr mini 2.0 and trunk-recorder

Anyone have any luck getting lime sdr mini 2.0 working with trunk-recorder. I can get it to see the sdr. But my gains aren’t working correctly. Not sure how to define them. Hopeing to take a peek at...

View Article

IQ data capturing

Hi, I am new to limesdr. My task is to read IQ data using limesdr. While exploring I found that file sink is used to capture the IQ data. So I used File sink block in my flowgraph. After running the...

View Article


Starting with LimeSDR Mini v2.4 on Linux

Hello, I just received my new LimeSDR Mini v2.4 board and I wanted to start with. On Windows I was able to run SDR Console to receive and transmit, but now I want to use it on my linux machine -...

View Article


Missing R114 on XTRX recommendation

I’m one of the unfortunate ones that received an XTRX with the missing R114 resistor. I am apprehensive about altering the board by bridging the pad because I suspect that any warranty or adjustment...

View Article

Using the LimeSDR Mini 2.0 for through-wall gesture detection

I used the LimeSDR mini 2.0 as a radar device for detecting hand points and gestures through occlusions! I made a video about it that I thought the community here might find interesting. LoRF-Ha: AI...

View Article

RF loopback test fails with "TuneVCO(CGEN) - failed to lock (cmphl!=3)"

Hi friends! I recently purchased a LimeSDR mini. LimeQuickTest is failing with: TuneVCO(CGEN) - failed to lock (cmphl!=3) SetFrequencyCGEN(61.44 MHz) failed Does anyone have any suggestions for how to...

View Article

Browsing latest articles
Browse All 114 View Live