參數(shù)資料
型號: HA12228F
廠商: Hitachi,Ltd.
英文描述: Audio Signal Processor for Car Deck(Decode only Dolby B-type NR with PB Amp.)
中文描述: 音頻信號處理器。為汽車甲板(只解碼杜比B型鉛放大器星期日)
文件頁數(shù): 12/51頁
文件大?。?/td> 304K
代理商: HA12228F
HA12228F/HA12229F
Rev.2, Dec. 2000, page 12 of 51
Input Block Diagram and Level Diagram
The each level shown above is typical value when offering PBOUT level
to PBOUT pin. (EQ Amp. G
V
= 40.8dB at f = 1kHz)
Note: HA12229F is not built-in Dolby B-NR.
EQOUT
TAI
30mVrms
(
28.2dBs)
300mVrms
(
8.2dBs)
0.55mVrms
(
63dBs)
+
+
C2
0.1
μ
F
C1
0.01
μ
F
M-OUT
NFI
RIN
FIN
Vref1
13k
180
270k
Vref3
Dolby B-NR
circuit *
PBOUT
18k
R2
5.1k
R1
5.1k
Figure 3 Input Block Diagram
Adjustment of Playback Dolby Level
After replace R5 and R6 with a half-fix volume of 10 k
, adjust playback Dolby level.
相關(guān)PDF資料
PDF描述
HA12229F Audio Signal Processor for Car Deck(Decode only Dolby B-type NR with PB Amp.)
HA12230 Audio Signal Processor for Cassette Deck
HA12230NT Audio Signal Processor for Cassette Deck
HA12231 Audio Signal Processor for Car Deck (PB 1 Chip)
HA12231FP Audio Signal Processor for Car Deck (PB 1 Chip)
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HA12228F/HA12229F 制造商:未知廠家 制造商全稱:未知廠家 功能描述:
HA12229F 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:Audio Signal Processor for Car Deck (Decode only Dolby B-type NR* with PB Amp.)
HA12230 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Audio Signal Processor for Cassette Deck
HA12230NT 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Audio Signal Processor for Cassette Deck
HA12231 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Audio Signal Processor for Car Deck (PB 1 Chip)