參數(shù)資料
型號: HA12164
廠商: Hitachi,Ltd.
英文描述: Audio Signal Processor for Car Deck and Cassette Deck (Dolby B-type NR with PB Amp)
中文描述: 音頻信號處理器為汽車甲板和卡座(杜比B型鉛放大器星期日)
文件頁數(shù): 22/66頁
文件大小: 578K
代理商: HA12164
HA12163 Series
Rev.4, Jun. 1999, page 22 of 66
10.PB Equalizer for Double Speed
PB equalizer can be design for double speed by using external components shown in figure 7.
Application data is shown in figure 8.
R35
5.1 k
EQ OUT
EQ
OUT-M
EQ
AMP.
NFI
+
RIN
V
FIN
R39
180
R38
330 k
C25
0.01
μ
R37
18 k
R36
12 k
No
Do
R
μ
+
4.7
0.015
μ
22 k
VR1
0.1
μ
+
TAI
RAI
PBOUT
INPUT AMP.
+
NR
circuit
RECOUT
No : Normal speed
Do : Double speed
Please ajust RECOUT level to
be Dolby level with volume of
VR 1.
*
REF
Unit R:
C: F
Figure 7 Application Circuit for Double Speed
60
50
40
30
20
10
20
100
1 k
Frequency (Hz)
10 k
100 k
*
G
120
70
R = 2.7 k
R = 2.2 k
R = 1.8 k
R = 1.3 k
μ
μ
No (Normal speed)
Do (Double speed)
OUTPUT = TAIpin
V
Figure 8 Application Data
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HA12165 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-type NR with PB Amp)
HA12166F 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-type NR with PB Amp)
HA12167FB 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Audio Signal Processor for Cassette Deck (Deck 1 Chip)
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)