LimeSuite and gateware update 19.01


Hello All,

Want to ping everyone (especially application developers) that LimeSuite 19.01 and related gateware (for LimeSDR-USB and LimeSDR-Mini boards) updates are just about to release. The latest LimeSuite is in master branch as well as related gatewares. Change logs are here:

  1. LimeSuite:
  2. LimeSDR-USB gateware:
  3. LimeSDR-Mini gateware:

Let us know if you fail to integrate updated LimeSuite to your application. Thank you in advance!


@IgnasJ, I think there is perhaps API breakage with this update?

Tagging @F4EXB, @f5oeo and @csete also to give them a heads-up.


Updating LimeSuite 19.01 and gateware 29 on LimeMini seems OK with DATV.

Have however strange behavior on LimeQuickTest :
[ RF Loopback Test ]
->Configure LMS
->Run Tests (TX_2 -> LNA_W):
CH0 (SXR=1000.0MHz, SXT=1005.0MHz): Result:(-71.7 dBFS, 15.36 MHz) - FAILED
->Run Tests (TX_1 -> LNA_H):
CH0 (SXR=2100.0MHz, SXT=2105.0MHz): Result:(-71.8 dBFS, -7.68 MHz) - FAILED
->RF Loopback Test FAILED

(Could add on separate issue but Save/Load config is still problematic)


Hi @f5oeo,

Thanks for testing it. Yes, the issue is known, update is ready just not in github yet.


Ok so not completly solved the issue. Wait for update on git to test, thanks @Zack


LimeQuickTest should be fixed now (with

thanks for testing


LimeQuickTest is fixed :
[ RF Loopback Test ]
->Configure LMS
->Run Tests (TX_2 -> LNA_W):
CH0 (SXR=1000.0MHz, SXT=1005.0MHz): Result:(-14.9 dBFS, 5.00 MHz) - PASSED
->Run Tests (TX_1 -> LNA_H):
CH0 (SXR=2100.0MHz, SXT=2105.0MHz): Result:(-14.4 dBFS, 5.00 MHz) - PASSED
->RF Loopback Test PASSED


On Mini I have problem with DC calibration. On RX no effect automatic or manual settings. On TX VHF part is ok but when I try HF mode 30MHz carrier wont go away after LMS_Calibrate function (manualy I can null 30MHz signal). On spectrum analyzer I can see several very fast spikes over 30MHz almost like calibration routine try to null signals in up-convert mode?



For SDRangel:

  • changes to LMS_VCTCXOWrite and LMS_VCTCXORead change in prototypes are already known to cause trouble but this is not a big deal. Edit: this is not true anymore since commit 11 days ago.
  • LMS_Disconnect() and LMS_IsOpen() are not used



@andrewback - Andrew,

You may also want to give Simon Simon G4ELI a heads up as well since he went through great pains to get SDRConsole out to the masses and the gateware change may affect his Windows app, too.

73 de Marty, KN0CK


Thanks @Zack

The Portsdown Digital TV system currently builds from 18.11 as I want to guarantee existing functionality independent of new developments.

Once Evariste and I have played with the stored calibration functionality, I will upgrade the build to use 19.01.

Dave, G8GKQ