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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)： | 15/97頁(yè) |
| 文件大?。?/td> | 579K |
| 代理商： | HA12204NT |
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HA12203NT/HA12204NT
15
REC Equalizer
The outlines of REC Equalizing frequency characteristics are shown by figure 10. Those peak level can be
set up by supplying voltage. (0 V to 5 V, GND = 0 V) to 30pin (GPCAL).
And whole band gain can be set up by supplying voltage (0 V to 5 V, GND = 0 V) to 31pin (RECCAL).
Both setting up range are ± 4.5dB. In case that you don't need setting up, 30 pin, 31pin should be open
bias.
Note:
Depending on the employed REC/PB head and test tape characteristics, there is a rare case that the
REC-EQ characteristics of this LSI can not be matched to the required characteristics because of
built-in resistors which determined the REC-EQ parameters in this care, please inquire the
responsible agent because of the adjustment of built-in resistor is necessary.
Since an output pin and an input pin for REC-EQ are adjacent, it will easily oscillate if patterns run
abreast.
RECCAL
GPCAL
Frequency (Hz)
G
Figure 10 Frequency Characteristics of REC 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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