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HA12174 PDF
HA12174 Datasheet - Hitachi -> Renesas Electronics
MFG CO.
Hitachi -> Renesas Electronics
Description
HA12173 series are silicon monolithic bipolar IC providing Dolby noise reduction system*, music sensor and PB equalizer system in one chip.
FEATUREs
• Different type of PB equalizer characteristics selection (normal/chrome or metal) is available with fully electronic control switching built-in.
• 2 type of input selection (RADIO/TAPE) is available.
• Changeable to Forward, Reverse-mode for PB head with fully electronic control switching built-in.
• Available to change music sensing level by external resistor.
• Music sensing level selection is available with fully electronic control switching built-in.
• Available to change frequency response of music sensor.
• NR-ON/OFF and REC/PB fully electronic control switching built-in.
• 4 type of PB-out level.
• Available to allow common PCB designs with HA12163 series.
Functions
• PB equalizer × 2 channel
• Dolby B/C-NR × 2 channel
• Music sensor × 1 channel
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Part Name
Description
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