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HA12203 Datasheet

Part Number HA12203
Manufacturers Hitachi Semiconductor
Logo Hitachi Semiconductor
Description Audio Signal Processor
Datasheet HA12203 DatasheetHA12203 Datasheet (PDF)

HA12203NT/HA12204NT Audio Signal Processor for Cassette Deck (Dolby B-type NR with Recording System) ADE-207-222B Target Specification 3rd Edition Jun. 1999 Description HA12203NT is silicon monolithic bipolar IC providing Dolby noise reduction system* , music sensor system, REC equalizer system and each electronic control switch in one chip. Note: 1. Dolby is a trademark of Dolby Laboratories Licensing Corporation. A license from Dolby Laboratories Licensing Corporation is required for the use .

  HA12203   HA12203






Part Number HA12209F
Manufacturers Hitachi Semiconductor
Logo Hitachi Semiconductor
Description Audio Signal Processor
Datasheet HA12203 DatasheetHA12209F Datasheet (PDF)

HA12209F Audio Signal Processor for Cassette Deck (Dolby B-type NR with Recording System) ADE-207-221A (Z) 2nd Edition Jun. 1999 Description HA12209F is silicon monolithic bipolar IC providing Dolby noise reduction system*, music sensor system, REC equalizer system and each electronic control switch in one chip. Functions • Dolby B-NR • REC equalizer • Music sensor × 2 channel × 2 channel × 1 channel • Each electronic control switch to change REC equalizer, bias, etc. Features • REC equalize.

  HA12203   HA12203







Part Number HA12209
Manufacturers Hitachi Semiconductor
Logo Hitachi Semiconductor
Description Audio Signal Processor
Datasheet HA12203 DatasheetHA12209 Datasheet (PDF)

HA12209F Audio Signal Processor for Cassette Deck (Dolby B-type NR with Recording System) ADE-207-221A (Z) 2nd Edition Jun. 1999 Description HA12209F is silicon monolithic bipolar IC providing Dolby noise reduction system*, music sensor system, REC equalizer system and each electronic control switch in one chip. Functions • Dolby B-NR • REC equalizer • Music sensor × 2 channel × 2 channel × 1 channel • Each electronic control switch to change REC equalizer, bias, etc. Features • REC equalize.

  HA12203   HA12203







Part Number HA12207NT
Manufacturers Hitachi Semiconductor
Logo Hitachi Semiconductor
Description Audio Signal Processor
Datasheet HA12203 DatasheetHA12207NT Datasheet (PDF)

HA12207NT Audio Signal Processor for Cassette Deck ADE-207-197B (Z) 3rd Edition Jun. 1999 Description HA12207NT is silicon monolithic bipolar IC providing PB equalizer, REC equalizer system and each electronic control switch in one chip. Functions • PB equalizer • REC equalizer • REC MUTE • REC head return switch × 2 channel × 2 channel • Each electronic control switch to change REC/PB etc. Features • REC equalizer is very small number of external parts, built-in 2 types of frequency charact.

  HA12203   HA12203







Part Number HA12207
Manufacturers Hitachi Semiconductor
Logo Hitachi Semiconductor
Description Audio Signal Processor
Datasheet HA12203 DatasheetHA12207 Datasheet (PDF)

HA12207NT Audio Signal Processor for Cassette Deck ADE-207-197B (Z) 3rd Edition Jun. 1999 Description HA12207NT is silicon monolithic bipolar IC providing PB equalizer, REC equalizer system and each electronic control switch in one chip. Functions • PB equalizer • REC equalizer • REC MUTE • REC head return switch × 2 channel × 2 channel • Each electronic control switch to change REC/PB etc. Features • REC equalizer is very small number of external parts, built-in 2 types of frequency charact.

  HA12203   HA12203







Part Number HA12206NT
Manufacturers Hitachi Semiconductor
Logo Hitachi Semiconductor
Description Audio Signal Processor
Datasheet HA12203 DatasheetHA12206NT Datasheet (PDF)

HA12206NT Audio Signal Processor for Cassette Deck ADE-207-198B (Z) 3rd Edition Jun. 1999 Description HA12206NT is silicon monolithic bipolar IC providing music sensor system, ALC, REC equalizer system and each electronic control switch in one chip. Functions • REC equalizer • Line Amp. × 2 channel × 2 channel • ALC (Automatic Level Control) • MS (Music Sensor) • Each electronic control switch to change REC equalizer, bias, etc. • REC mute Features • REC equalizer is very small number of ext.

  HA12203   HA12203







Audio Signal Processor

HA12203NT/HA12204NT Audio Signal Processor for Cassette Deck (Dolby B-type NR with Recording System) ADE-207-222B Target Specification 3rd Edition Jun. 1999 Description HA12203NT is silicon monolithic bipolar IC providing Dolby noise reduction system* , music sensor system, REC equalizer system and each electronic control switch in one chip. Note: 1. Dolby is a trademark of Dolby Laboratories Licensing Corporation. A license from Dolby Laboratories Licensing Corporation is required for the use of this IC. 1 Functions • Dolby B - NR* • REC equalizer • Music sensor • Pass amp. 2 × 2 channel × 2 channel × 1 channel × 2 channel • Each electronic control switch to change REC equalizer, bias, etc. Note: 2. HA12204NT is not built-in Dolby noise reduction system. Features • REC equalizer is very small number of external parts and have 6 types of frequency characteristics 3 built-in.* • 2 types of input for PB, 1 type of input for REC. • 70µ - PB equalizer changing system built-in. • Dolby NR with dubbing double cassette decks. Unprocessed signal output available from recording out terminals during PB mode. • Provide stable music sensor system, available to design music sensing time and level. • Controllable from direct micro-computer output. • Bias oscillator control switch built-in. • NR ON / OFF and REC / PB fully electronic control switching built-in. • Normal-speed / high-speed, Normal / Crom / Metal* and PB equalizer fully electronic control switching built-in. 3 • Availab.


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