參數(shù)資料
型號: HA12204NT
廠商: Hitachi,Ltd.
英文描述: Audio Signal Processor for Cassette Deck(音頻信號處理器)
中文描述: 音頻信號處理器卡座(音頻信號處理器)
文件頁數(shù): 14/97頁
文件大?。?/td> 579K
代理商: HA12204NT
HA12203NT/HA12204NT
14
36
C5
0.1
μ
–10%
C23
0.1
μ
–10%
R3
33k
–2%
5
7
BIAS1
DET (R)
DET (L)
HA12203NT
V
EE
V
EE
Figure 7 Tolerance of External Components
Low-Boost
EQOUT
C2
0.47
μ
R3
5.1k
+
EQIN
Vin
GND
R2
6.8k
REC EQ
C1
2.2
μ
R1
20k
+
Figure 8 Example of Low Boost Circuit
External components shown Figure 8 gives Frequency response to take 6dB boost. And cut off Frequency
can request it, by lower formulas.
Gv
f1
f2
f
f1 =
[Hz]
1
2
π
· C2 · (R1 + R0)
1
2
π
· C2 · R2
f2 =
[Hz]
R0 =
[
]
R1 · R2
R1 + R2
Figure 9 Frequency Characteristic of Low-Boost
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