參數(shù)資料
型號(hào): HA12198F
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(hào)處理器。為汽車(chē)甲板(只解碼杜比B型鉛放大器星期日)
文件頁(yè)數(shù): 12/89頁(yè)
文件大小: 517K
代理商: HA12198F
HA12192F/HA12197F/HA12212F Series
Rev.5, Jun. 1999, page 12 of 89
Input Block Diagram and Level Diagram
EQ OUT
DIN
30mVrms
(
28.2dBs)
Input Amp.
PBOUT
R6
5.1k
The each level shown above is typical value
when offering PBOUT level to PBOUT pin.
(EQ Amp. G
V
= 40dB, f=1kHz)
R5
5.1k
R4
12k
R3
18k
C1
0.01
μ
F
M-OUT
NFI
RIN
V
REF
FIN
R1
180
R2
330k
+
+
0.6mVrms
(
62.2dBs)
NR circuit
*
1
C2
0.1
μ
F
Note: 1. HA12197F series is not built-in Dolby B-NR.
PBOUT Level
HA12192F/HA12197F : 300mVrms
HA12193F/HA12198F : 387.5mVrms
HA12194F/HA12199F : 450mVrms
(
8.2dBs)
(
6.0dBs)
(
4.7dBs)
EQ Amp.
Figure 3 Input Block Diagram
Adjustment of Playback Dolby Level
After replace R5 and R6 with a half-fix volume of 10k
, adjust playback Dolby level.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HA12199F 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Audio Signal Processor for Car Deck(Decode only Dolby B-type NR with PB Amp.)
HA-121A 制造商:NEL 制造商全稱:Nel Frequency Controls,inc 功能描述:TTL Compatible Enable/Disable
HA-121B 制造商:NEL 制造商全稱:Nel Frequency Controls,inc 功能描述:TTL Compatible Enable/Disable
HA-121C 制造商:NEL 制造商全稱:Nel Frequency Controls,inc 功能描述:TTL Compatible Enable/Disable
HA12203 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Audio Signal Processor for Cassette Deck(Dolby B-type NR with Recording System)