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參數(shù)資料
| 型號： | BA3870 |
| 廠商： | Rohm CO.,LTD. |
| 英文描述： | TRANS PREBIASED NPN 200MW SOT323 |
| 中文描述： | 論壇（低音系統(tǒng)）無線電錄音機 |
| 文件頁數(shù)： | 6/14頁 |
| 文件大小： | 199K |
| 代理商： | BA3870 |
425
Audio ICs
BA3870
Circuit Operation
(1)
Overview of BBS
BBS is a system which boosts the low end of the audible
frequency range and at the same time linearly controls
the amount of boost according to the volume to produce
a rich sound without distortion through small diameter
speakers. It also adjusts the gain of the high-frequency
range to attain a balanced sound with natural volume.
(2)
Operation of BBS
(
1) BBS on
The signal system when BBS is on is shown in Fig. 2.
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