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參數(shù)資料
| 型號(hào)： | HA12221F |
| 廠(chǎng)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（解碼杜比乙只用PB安培型降噪） |
| 文件頁(yè)數(shù)： | 10/53頁(yè) |
| 文件大?。?/td> | 343K |
| 代理商： | HA12221F |
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HA12216F/HA12221F Series
Rev.6, Dec. 2000, page 10 of 53
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
= 40dB, f = 1kHz)
Note: HA12221F series does not include Dolby NR circuit.
R6
5.1k
R5
5.1k
EQOUT
TAI
30mVrms
(
28.2dBs)
0.6mVrms
(
62.2dBs)
R1
180
+
+
R2
330k
C2
0.1
μ
F
EQ Amp.
Input Amp.
C1
0.01
μ
F
M-OUT
NFI
RIN
VREF
FIN
R4
12k
R3
18k
RAI
42.4mVrms
(
25.2dBs)
Dolby NR
circuit *
PBOUT
PBOUT
HA12216F/HA12221F: 300mVrms
HA12217F/HA12222F: 387.5mVrms
HA12218F/HA12223F: 450mVrms
(
8.2dB)
(
6.0dB)
(
4.7dB)
Figure 3 Input Block Diagram
Adjustment of Playback Reference Operate Level
After replace R5 and R6 with a half-fix volume of 10 k
, adjust playback reference operate level.
相關(guān)PDF資料 |
PDF描述 |
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| HA12222F | Audio Signal Processor for Car Deck(Decode only Dolby B type NR with PB Amp.) |
| HA12223F | Audio Signal Processor for Car Deck(Decode only Dolby B type NR with PB Amp.) |
| HA12219 | Audio Signal Processor for Cassette Deck |
| HA12219NT | Audio Signal Processor for Cassette Deck |
| HA12220 | CD-ROM Drive Head Amplifier IC |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HA12222F | 制造商:HITACHI 制造商全稱(chēng):Hitachi Semiconductor 功能描述:Audio Signal Processor for Car Deck(Decode only Dolby B type NR with PB Amp.) |
| HA12223F | 制造商:RENESAS 制造商全稱(chēng):Renesas Technology Corp 功能描述:Audio Signal Processor for Car Deck (Decode only Dolby B type NR with PB Amp.) |
| HA12226 | 制造商:HITACHI 制造商全稱(chēng):Hitachi Semiconductor 功能描述:Audio Signal Processor for Cassette Deck(Dolby B-type NR with Recording System) |
| HA12226F | 制造商:HITACHI 制造商全稱(chēng):Hitachi Semiconductor 功能描述:Audio Signal Processor for Cassette Deck(Dolby B-type NR with Recording System) |
| HA12226F/HA12227F | 制造商:未知廠(chǎng)家 制造商全稱(chēng):未知廠(chǎng)家 功能描述: |
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