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參數(shù)資料
| 型號： | HA12209 |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | Audio Signal Processor for Cassette Deck(Dolby B-type NR with Recording System) |
| 中文描述： | 音頻信號處理器卡座（杜比B型錄音系統(tǒng)星期日） |
| 文件頁數(shù)： | 10/49頁 |
| 文件大小： | 279K |
| 代理商： | HA12209 |
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HA12209F
Rev.2, Jun. 1999, page 10 of 49
PB Equalizer
By switching logical input level of 11 pin (for Ain) and 14 pin (for Bin), you can equalize corresponding to
tape position at play back mode.
With the capacity CEX1 capacitance that we showed for figure 2 70
μ
s by the way figure seem to 3 they
are decided.
Gv
t1 = CEX1
·
(12k + 15k)
t2 = CEX1
·
15k
(t1)
(t2)
f
Figure 3 Frequency Characteristic of PB Equalizer
The sensitivity Adjustment of Music Sensor
Adjusting MS amp. gain by external resistor, the sensitivity of music sensor can set up.
PB(R)
PB(L)
MAI
–
6dB
45k
REP
LPF
25kHz
–
+
100k
100k
V
CC
DV
CC
C26
0.01
μ
R12
330k
C10
0.33
μ
R
L
MA
OUT
MSIN
MS AMP
MS OUT
MS
DET
+
DET
GND
GND
Microcomputer
R :
C : F
Unit
Figure 4 Music Sensor Block Diagram
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PDF描述 |
|---|---|
| HA12209F | Audio Signal Processor for Cassette Deck(Dolby B-type NR with Recording System) |
| HA12211 | Audio Signal Processor for Cassette Deck (Deck 1 Chip) |
| HA12211NT | Audio Signal Processor for Cassette Deck (Deck 1 Chip) |
| HA12215 | HEATSHRINK, 1/8" ALPHA, FIT 221 1/8 |
| HA12215F | Audio Signal Processor for Cassette Deck(Dolby B-type NR with Recording System) |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| HA12209F | 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) |
| HA12211 | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Audio Signal Processor for Cassette Deck (Deck 1 Chip) |
| HA12211NT | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:Audio Signal Processor for Cassette Deck (Deck 1 Chip) |
| HA12212F | 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.) |
| HA12215 | 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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