Change in osmo-trx[master]: lms: Reduce Rx gain from 47 to 34 dB

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Harald Welte gerrit-no-reply at lists.osmocom.org
Wed Jun 13 21:33:35 UTC 2018


Harald Welte has uploaded this change for review. ( https://gerrit.osmocom.org/9617


Change subject: lms: Reduce Rx gain from 47 to 34 dB
......................................................................

lms: Reduce Rx gain from 47 to 34 dB

Initially, Rx gain was hardcoded to be 47. This was too high for our
setup and we were constantly getting "clipping detected" messages.

Reducing Rx gain to 34 solved the issue. However, it looks like gains
should be controlled through configuration files.

Change-Id: I30580f18c4ad630c09f725b1d24c125fc3119809
---
M Transceiver52M/device/lms/LMSDevice.cpp
1 file changed, 1 insertion(+), 1 deletion(-)



  git pull ssh://gerrit.osmocom.org:29418/osmo-trx refs/changes/17/9617/1

diff --git a/Transceiver52M/device/lms/LMSDevice.cpp b/Transceiver52M/device/lms/LMSDevice.cpp
index ad6f67b..c531a7f 100644
--- a/Transceiver52M/device/lms/LMSDevice.cpp
+++ b/Transceiver52M/device/lms/LMSDevice.cpp
@@ -319,7 +319,7 @@
 		return 0.0;
 	}
 
-	dB = 47.0;
+	dB = 34.0;
 
 	if (dB > maxRxGain())
 		dB = maxRxGain();

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Gerrit-Project: osmo-trx
Gerrit-Branch: master
Gerrit-MessageType: newchange
Gerrit-Change-Id: I30580f18c4ad630c09f725b1d24c125fc3119809
Gerrit-Change-Number: 9617
Gerrit-PatchSet: 1
Gerrit-Owner: Harald Welte <laforge at gnumonks.org>
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