AK2401 Datasheet, PDF (93/103 Pages) Asahi Kasei Microsystems – Direct Conversion Transceiver

[AK2401]
PH_ADJ[5:0]: I/Q Orthogonal Phase Calibration Setting
Set I/Q orthogonal phase calibration value directly. This setting is only valid when TRIMREG_PH bit =
“1” <Address0x14>.
PH_ADJ
Ich
[5]
[4]
[3]
[2]
[1]
[0]
Qch
Unit
0
0
0
0
0
X
-3.875
0
0
0
0
0
1
0
-3.75
0
0
0
0
0
1
1
-3.625
0
・・・
・・・
0
1
1
1
1
0
-0.25
0
0
1
1
1
1
1
-0.125
0
1
0
0
0
0
0
0
0
deg
1
0
0
0
0
1
0
-0.125
1
0
0
0
1
0
0
-0.25
・・・
・・・
1
1
1
1
0
1
0
-3.625
1
1
1
1
1
0
0
-3.75
1
1
1
1
1
1
0
-3.875
(X: Do not care)
R_PH_ADJ[5:0]: I/Q Orthogonal Phase Adjustment Calibration Value Readback (Readack Only)
Readback I/Q orthogonal phase calibration value set by TRIMREG_PH bits <Address0x14>.
* Refer to “15.19. <0x26~0x28, 0x44~0x46>RDOC” for register description of
<Address0x44>,<Address0x45> and <Address0x46>.
* Refer to “15.15. <0x1F~0x21, 0x47~048>AGC” for register description of <Address0x47> and
<Address0x48>.
15.31. <0x49>PRE TESTEN
Address
D7
D6
D5
D4
D3
D2
D1
D0
R/W
0x49
PRE_
TSTWE
X
X
X
X
X
X
X
R/W
Initial value
0
PRE_TSTWE: Pre Test Register Enable
Register writing to the <Address0x4A> and <Address0x4B> become valid when setting PRE_TSTWE
bit = “1”.
017003093-E-00
93
2017/3