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AK4141 Datasheet, PDF (56/96 Pages) Asahi Kasei Microsystems – NICAM/A2/EIA-J Digital Stereo Decoder | |||
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CONFIDENTIAL
[AK4141]
Addr
Register Name
D7
D6
D5
D4
D3
D2
D1
D0
40H SIF AGC Manual Control AGOFF 0
IFVOL[5:0]
R/W
R/W R/W R/W R/W R/W R/W R/W R/W
Default
0
0
0
0
0
0
0
0
AGOFF: AGCç¡å¹è¨å®
AGOFF
0
1
AGC status
Enabled
Disabled
Table 39. AGCç¡å¹è¨å®
(default)
IFVOL[5:0]: SIFããªã¥ã¼ã ã³ã³ããã¼ã«
AGOFF bit = â0âã®å ´åããããã®ãããã¯ç¡è¦ããã¾ããPGA-Gain = (52+IFVOL*2)/(75-IFVOL)ã§ãã
ãã¼ã¿ã«ã²ã¤ã³ã¯IFVOL bitè¨å®ã¨GSEL1/GSEL2 bitè¨å®ã®åè¨ã§ãã
IFVOL[5:0]
SIF Gain
000000
-3.18dB
(default)
000001
-2.74dB
000010
-2.30dB
:
:
101101
+21.89dB
101110
+22.63dB
101111
+23.42dB
Table 40. SIFããªã¥ã¼ã ã³ã³ããã¼ã«
MS0952-J-03
- 56 -
2013/12
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