參數(shù)資料
型號(hào): HA12160
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(hào)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): 17/66頁
文件大?。?/td> 578K
代理商: HA12160
HA12163 Series
Rev.4, Jun. 1999, page 17 of 66
4. Input Block Diagram and Level Diagram
0.1
μ
C24
30 mVrms
(
28.2 dBs)
F
V
R
NFI
EQ AMP.
EQ OUT-M
EQ OUT
R35
5.1 k
R36
12 k
R37
18 k
C25
0.01
μ
R39
180
R38
330 k
R34
5.1 k
RAI
TAI
PBOUT
HA12163: 300 mVrms (
8.2 dBs)
HA12164: 450 mVrms (
4.7 dBs)
HA12165: 580 mVrms (
2.5 dBs)
HA12160: 550 mVrms (
2.9 dBs)
The each level shown above is typical value
when offering PBOUT level to PBOUT pin.
(EQ AMP Gv = 40 dB f = 1 kHz)
NR circuit
INPUT AMP.
42.4 mVrms
(
25.2 dBs)
+
+
RECOUT
300 mVrms
(
8.2 dBs)
0.6 mVrms
(
62.2 dBs)
IN
REF
IN
Figure 2 Input Block Diagram
5. Adjustment of Playback Dolby Level
After replace R34 and R35 with a half-fix volume of 10 k
, adjust RECOUT level to be Dolby level
with playback mode.
相關(guān)PDF資料
PDF描述
HA12163 Audio Signal Processor for Car Deck and Cassette Deck (Dolby B-type NR with PB Amp)
HA12164 Audio Signal Processor for Car Deck and Cassette Deck (Dolby B-type NR with PB Amp)
HA12165 Audio Signal Processor for Car Deck and Cassette Deck (Dolby B-type NR with PB Amp)
HA12166F Audio Signal Processor for Car Deck and Cassette Deck (Dolby B-type NR with PB Amp)
HA12169FB Audio Signal Processor for Cassette Deck (Deck 1 Chip)
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