Erik-san

?

1. The soldering on C74 appeared to be short-circuited and has been corrected.
2. Replaced LNA on U14.
3. Update firmware tinySA4_v1.4-40-g2f63e1c.bin
4. Do caliblate and selftest check

CLEAR CONFIG -> CALIBLATE 100kHz to 3.54GHZ PASS

SELF TEST PASS

?

There was also a change in the value of lna in Level offset.

Before LNA Replace????????????????????? After LNA Replace

ch> correction low????????????????????? ch> correction low

index frequency value?????????????????? index frequency value

correction low 0 10000 12.2???????????? correction low 0 10000 12.2

correction low 1 50000 7.6????????????? correction low 1 50000 7.6

correction low 2 200000 4.5???????????? correction low 2 200000 4.5

correction low 3 400000 2.2???????????? correction low 3 400000 2.2

correction low 4 900000 0.4???????????? correction low 4 900000 0.4

correction low 5 20000000 -0.4????? ????correction low 5 20000000 -0.4

correction low 6 30000000 0.0?????????? correction low 6 30000000 0.0

correction low 7 100000000 -0.8???????? correction low 7 100000000 -0.8

correction low 8 160000000 -0.4???????? correction low 8 160000000 -0.4

correction low 9 230000000 0.5????????? correction low 9 230000000 0.5

correction low 10 290000000 0.3???????? correction low 10 290000000 0.3

correction low 11 400000000 1.0???????? correction low 11 400000000 1.0

correction low 12 520000000 0.1???????? correction low 12 520000000 0.1

correction low 13 600000000 0.5???????? correction low 13 600000000 0.5

correction low 14 660000000 0.4???????? correction low 14 660000000 0.4

correction low 15 740000000 1.5???????? correction low 15 740000000 1.5

correction low 16 790000000 3.0???????? correction low 16 790000000 3.0

correction low 17 810000000 4.7???????? correction low 17 810000000 4.7

correction low 18 820000000 6.3???????? correction low 18 820000000 6.3

correction low 19 830000000 8.7???????? correction low 19 830000000 8.7

?

ch> leveloffset???????????????????????? ch> leveloffset

leveloffset low 0.0???????????????????? leveloffset low -1.2

leveloffset low output 0.0??????? ??????leveloffset low output 0.0

leveloffset switch 0.0????????????????? leveloffset switch 0.0

leveloffset receive_switch 0.0????????? leveloffset receive_switch 0.1

leveloffset out_switch 0.0????????????? leveloffset out_switch 0.0

leveloffset lna 0.0?? ??????????????????leveloffset lna -0.9

leveloffset harmonic 10.5?????????????? leveloffset harmonic 10.5

leveloffset shift1 -0.1???????????????? leveloffset shift1 -0.1

leveloffset shift2 2.4????????????????? leveloffset shift2 2.4

leveloffset shift3 -0.4 ????????????????leveloffset shift3 -0.5

leveloffset drive1 0.0????????????????? leveloffset drive1 0.0

leveloffset drive2 -1.0???????????????? leveloffset drive2 -0.9

leveloffset drive3 -0.1???????????????? leveloffset drive3 -0.1

leveloffset direct 30.0? ???????????????leveloffset direct 29.4

leveloffset direct_lna 0.0????????????? leveloffset direct_lna 30.9

leveloffset ultra 0.0?????????????????? leveloffset ultra -1.6

leveloffset ultra_lna 0.0?????????????? leveloffset ultra_lna -1.0

leveloffset adf 0.0???????????????????? leveloffset adf 0.0

leveloffset direct output 0.0?????????? leveloffset direct output 0.0

?

?

The problem of passing with the old firmware and failing with the new v1.4

has been resolved with LNA replacement. I will close this issue.

?

Thanks.

?

Masahiro Kusunoki/JP3SRS

?