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參數(shù)資料
| 型號(hào)： | LA7286 |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | VCR Audio Signal Recording and Playback Processor(VCR音頻信號(hào)記錄/重放處理器) |
| 中文描述： | 錄像機(jī)音頻信號(hào)錄制和播放處理器（錄像機(jī)音頻信號(hào)記錄/重放處理器） |
| 文件頁數(shù)： | 7/10頁 |
| 文件大?。?/td> | 180K |
| 代理商： | LA7286 |
Continued from preceding page.
Unit (resistance:
)
Pin No.
Function name
Internal circuit for pin
Description of function
8
EQ AMP output
Output impedance
→
50
(typ)
9
LINE AMP PB input
Inputs the playback signal from the
Equalizer Amplifier. Because the
input impedance is as high as 120
k
, a 0.1 μF ceramic capacitor can
be used for the coupling capacitor
on pin 9.
10
LINE AMP LINE input
Inputs EE and REC signals.
The reference input is set by
resistors R1 and R2. The amplifier
gain is fixed at 21.5 dB. In addition,
because the input impedance is as
high as 120 k
, a 0.1 μF ceramic
capacitor can be used for the
coupling capacitor on pin 10.
11
ALC FILTER
Wave detection is performed when
connected to GND through a
capacitor. In addition, the attack and
recovery time is set by the C and R
time constants.
12
ALC input wave
detection
Inputs the Line Amplifier output
signal. The ALC level is set by the
resistors R1 and R2.
Continued on next page.
LA7286
No.4750-7/10
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