參數(shù)資料
型號: HA12167FB
廠商: Hitachi,Ltd.
英文描述: Audio Signal Processor for Cassette Deck (Deck 1 Chip)
中文描述: 音頻信號處理器卡座(甲板1片)
文件頁數(shù): 27/73頁
文件大小: 524K
代理商: HA12167FB
HA12167FB/HA12169FB
Rev.3, Jun. 1997, page 27 of 73
The Application of Equalizer Frequency Response
R1
EQ
IN
EQ
VR
GP
Gm 1
+
+
OP 2
+
OP 6
+
F/Q
C1
C2
OP 5
+
R6
+
Gm 3
GL
FM
+
Gm 4
C3
R9
R10
EQ
OUT
R8
GH
+
Gm 5
+
+
OP 3
R5
R4
R7
Gm 6
+
OP 4
+
Figure 9 REC Equalizer Block Diagram
Transfer Function:
Vout
Vin
=
V
G
Gm5
8
R
10
R
9
R
1+
C3
Gm4
Gm6
1+
Gm4
S
Gm5
S
C3
+
Gm1
4
R
R
+
10
R
R
6
7
C3
Gm4
S
Gm3
S+
1+
4
R
R
5
7
R
6
R
+
7
R
C2
4
R
R
5
C1
Gm2
C2
Gm3
S
2
=
9
REF
R
GL
R
1
+
6.67
×
10
–10
FM
R
R
R
GH
R
GL
S
1
+
6.67
×
10
–10
FM
S
+
GP
R
3.0
×
10
–10
R
S+2.5
×
10
–20
FQ
R
S
1
+
4.5
×
10
–11
FQ
FQ
R
F/Q
R
S
2
Note:
R
REF
....14 pin bias resistance
G
V
......Gain of EQ-VR
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HA12167FB/HA12169FB 制造商:未知廠家 制造商全稱:未知廠家 功能描述:
HA12169FB 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Audio Signal Processor for Cassette Deck (Deck 1 Chip)
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HA12173 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Audio Signal Processor for Car Deck and Cassette Deck (Dolby B/C-type NR with PB Amp)