AKD4145-A Datasheet, PDF (9/32 Pages) Asahi Kasei Microsystems – Evaluation board Rev.3 for AK4145

„ Baseband Composite Audio signal output circuit
[AKD4145-A]
12V
C60 ⁺
10u
Baseband Composite Audio
C59
0.1u ^C57
0.1u
C105u6₊
R37
47k
R38
47k
VR1
2
50k
JP3 CA
C3 22u
AMP
THR
R36 10k
C58 22u
U10
8 _+VP
7 _BOUT
6 _-BIN
5 _+BIN
NJM4580
AOUT ¹
-AIN ²
+AIN ³
-VP ⁴
JP2
AMP
R2
J4
220
CA
R46
C4
47k
open
Figure. 3 Baseband Composite Audio signal output circuit
1. In case of amplification using the OP-Amp. <Default>
The stereo separation can be maximized by adjusting the variable resistor (VR1).
The jumper pins should be set as follows.
JP2
AMP
JP3
CA
AMP THR
2. In case of through.
This mode is out of use.
<KM090003>
-9-
2008/08