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HA12155NT |
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| Part Number | HA12155NT |
| Manufacturer | Hitachi Semiconductor |
| 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 equali... |
| 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... |
| Document |
 HA12155NT Data Sheet
PDF 463.26KB |
| Distributor | Stock | Price | Buy |
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| No. | Part # | Manufacture | Description | Datasheet |
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NEL Frequency Controls |
Crystal Clock Oscillators |
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Hitachi |
Dolby-B and C-Type Noise Reduction |
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Hitachi |
Dolby-B and C-Type Noise Reduction |
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Hitachi Semiconductor |
Audio Signal Processor |
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Hitachi |
FM IF System |
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NEL Frequency |
(HA121x) Crystal Clock Oscillators |
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NEL Frequency |
(HA121x) Crystal Clock Oscillators |
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Hitachi |
FM IF Amplifier |
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Hitachi Semiconductor |
EQUALLZER IC |
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Hitachi Semiconductor |
Dolby B-Type Noise Reduction |
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