參數(shù)資料
型號: LA17000M
元件分類: 接收器
英文描述: AM/FM, AUDIO SINGLE CHIP RECEIVER, PQFP80
封裝: 14 X 14 MM, QFP-80
文件頁數(shù): 40/54頁
文件大?。?/td> 830K
代理商: LA17000M
LA17000M
No. 6522-45/54
(6) About MUTE ATT
It is possible to switch to one of three levels (–20 dB, –30 dB, or –40 dB) by means of the resistor between pin 74
and GND. (This also has an effect on the total gain of the tuner.)
The attenuation can be reduced as shown
in the table above by reducing R49.
R
Mute ATT
OPEN
–20 dB
200 k
–30 dB
30 k
–40 dB
MUTE time constant
Attack 10 k
× C49
Release 50 k
× C49
Quadrature
detector
Limiter
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