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| 型號(hào)： | HA12155 |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | Audio Signal Processor for Cassette Deck (Dolby B/C-type NR with Recording System) |
| 中文描述： | 音頻信號(hào)處理器（杜比B / C型與錄音系統(tǒng)星期日的盒式收錄機(jī)） |
| 文件頁數(shù)： | 1/57頁 |
| 文件大小： | 463K |
| 代理商： | HA12155 |
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HA12155NT/HA12157NT
Audio Signal Processor for Cassette Deck (Dolby B/C-type NR
with Recording System)
ADE-207-115C (Z)
4th Edition
June 1997
Description
HA12155NT/HA12157NT is silicon monolithic bipolar IC providing Dolby noise reduction system*,
electrical volume system, REC equalizer system and level meter system in one chip.
Functions
REC equalizer
Dolby B/C NR
Electronic volume
Level Meter
×
2 channel
×
2 channel
×
2 channel
×
2 channel
Features
Inductor less REC equalizer is adjustable of its characteristics by external resistor
Rec level is adjustable automatically with electrical volume which is built-in
3 type of input selection is available (one is by way of electrical volume)
Separate input selection SW and REC/PB SW
Dolby noise reduction with dubbing cassette decks
(Unprocessed signal output available from recording out terminals during PB mode)
Log-compressed level meter output is range from 0 V to 5 V
(Usable as music search switchable gain of 0 dB and 20 dB respectivily)
Normal-speed/high-speed (Double), normal/metal/chrome fully electronic control switching built-in
NR-ON/OFF, Dolby B/C, MPX ON/OFF fully electronic control switching built-in
(Controllable from micro-controller directly)
Reduction of number of pin by transfered serial data to electronic volume control switching and another
control switching
(Controllable from micro-controller directly)
Low external parts count
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| HA12160 | Audio Signal Processor for Car Deck and Cassette Deck (Dolby B-type NR with PB Amp) |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HA12155NT | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Audio Signal Processor for Cassette Deck (Dolby B/C-type NR with Recording System) |
| HA12155NT/HA12157NT | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
| HA12157NT | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Audio Signal Processor for Cassette Deck (Dolby B/C-type NR with Recording System) |
| HA12159 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:FM Receiver Circuit |
| HA12160 | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Audio Signal Processor for Car Deck and Cassette Deck (Dolby B-type NR with PB Amp) |
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