HA12215F 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 • Dolb.
• REC equalizer is very small number of external parts and have 6 types of frequency characteristics 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-.
No. | Partie # | Fabricant | Description | Fiche Technique |
---|---|---|---|---|
1 | HA12211 |
Hitachi Semiconductor |
Audio Signal Processor | |
2 | HA12211NT |
Hitachi Semiconductor |
Audio Signal Processor | |
3 | HA12212F |
Hitachi Semiconductor |
Audio Signal Processor | |
4 | HA12215F |
Hitachi Semiconductor |
Audio Signal Processor | |
5 | HA12216F |
Hitachi Semiconductor |
Audio Signal Processor | |
6 | HA12217F |
Hitachi Semiconductor |
Audio Signal Processor | |
7 | HA12218F |
Hitachi Semiconductor |
Audio Signal Processor | |
8 | HA12219 |
Hitachi Semiconductor |
Audio Signal Processor | |
9 | HA12219NT |
Hitachi Semiconductor |
Audio Signal Processor | |
10 | HA12203 |
Hitachi Semiconductor |
Audio Signal Processor | |
11 | HA12203NT |
Hitachi Semiconductor |
Audio Signal Processor | |
12 | HA12204NT |
Hitachi Semiconductor |
Audio Signal Processor |