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參數(shù)資料
| 型號(hào)： | HA12204NT |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | Audio Signal Processor for Cassette Deck(音頻信號(hào)處理器) |
| 中文描述： | 音頻信號(hào)處理器卡座（音頻信號(hào)處理器） |
| 文件頁(yè)數(shù)： | 11/97頁(yè) |
| 文件大?。?/td> | 579K |
| 代理商： | HA12204NT |
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HA12203NT/HA12204NT
11
Input Block Diagram and Level Diagram
AIN
BIN
RECOUT
300mVrms
300mVrms
REC
PASS
300mVrms
300mVrms
21.3dB
0dB
PBOUT
580mVrms
RIN
42.4mVrms
The each level shown above is typical value
when offering PBOUT level to PBOUT pin.
HA12204NT is not built-in Dolby noise reduction system.
25.9mVrms
C2
0.0047
μ
F
R4
15k
R3
12k
REC
PB
PB/REC,
PASS=0dB/17dB
PASS
PB/REC,
PB=5.7dB/5.7dB
PB
MS
REF
70
μ
s
FLAT
(120
μ
)
DOLBY
B-NR
Figure 2 Input Block Diagram
PB Equalizer
By switching logical input level of 13 pin (for Ain) and 15 pin (for Bin), you can equalize corresponding to
tape position at play back mode.
With the capacity C2 capacitance that we showed for figure 2 70
μ
s by the way figure seem to 3 they are
decided.
Gv
t1 = C2 · (12k + 15k)
t2 = C2 · 15k
t1
t2
f
Figure 3 Frequency Characteristic of PB Equalizer
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| HA12206 | Audio Signal Processor for Cassette Deck |
| HA12206NT | Audio Signal Processor for Cassette Deck |
| HA12207 | Audio Signal Processor for Cassette Deck |
| HA12207NT | 150000 SYSTEM GATE 1.8 VOLT FPGA - NOT RECOMMENDED for NEW DESIGN |
| HA12209 | Audio Signal Processor for Cassette Deck(Dolby B-type NR with Recording System) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HA12206 | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Audio Signal Processor for Cassette Deck |
| HA12206NT | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Audio Signal Processor for Cassette Deck |
| HA12207 | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Audio Signal Processor for Cassette Deck |
| HA12207NT | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Audio Signal Processor for Cassette Deck |
| HA12209 | 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) |
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