HA12177 データシートの表示（PDF） - Hitachi -> Renesas Electronics
部品番号
コンポーネント説明
メーカー
HA12177
Hitachi -> Renesas Electronics
HA12177 Datasheet PDF : 66 Pages
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HA12173 Series
4.7 µ
+
R35
5.1 k
0.015 µ
R
No Do
22 k
VR1
0.1 µ
+
No : Normal speed
Do : Double speed
* Please ajust RECOUT level to
be Dolby level with volume of
VR 1.
R38
330 k
R39
180
EQ OUT
TAI
R36 EQ
12 k OUT-M
R37
18 k
C25
0.01 µ
EQ
AMP.
NFI – +
RIN
RAI
PBOUT
INPUT AMP.
+
–
NR
circuit
RECOUT
VREF
FIN
Unit R: Ω
C: F
Figure 7 Application Circuit for Double Speed
60
50
40
30
20
10
20
100
1k
10 k
Frequency (Hz)
120 µ
70 µ Normal speed
R = 2.7 k
R = 2.2 k Double speed
R = 1.8 k
R = 1.3 k
100 k
* OUTPUT = TAIpin
Figure 8 Application data
Rev.1, Nov. 1992, page 19 of 66
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