# TX DC calibration not working

**URL:** <https://discourse.myriadrf.org/t/tx-dc-calibration-not-working/1931>\
**Category:** LimeSDR\
**Created:** [27 October 2017 16:04 UTC](https://discourse.myriadrf.org/t/tx-dc-calibration-not-working/1931 "2017-10-27T16:04:10Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![ricardas](https://yyz2.discourse-cdn.com/flex034/user_avatar/discourse.myriadrf.org/ricardas/32/86_2.png) [@ricardas](https://discourse.myriadrf.org/u/ricardas)\
**Post date:** [28 October 2017 08:30 UTC](https://discourse.myriadrf.org/t/tx-dc-calibration-not-working/1931/2 "2017-10-28T08:30:52Z")

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Hi, Tx calibration does include dc offset. Calibration sets analog DC offsets which are located in:  
0x05C3[10:0] DCWR\_TXAI  
0x05C4[10:0] DCWR\_TXAQ  
0x05C5[10:0] DCWR\_TXBI  
0x05C6[10:0] DCWR\_TXBQ

What you are changing is digital dc offset.  
0x0204[15:8] DCCORI  
0x0204[7:0] DCCORQ

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_[View the full topic](https://discourse.myriadrf.org/t/tx-dc-calibration-not-working/1931)._