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): 42/54頁
文件大?。?/td> 830K
代理商: LA17000M
LA17000M
No. 6522-47/54
(9) About the noise canceller
The noise canceller improves the characteristics by implementing the circuits that determine the gate time with a
logic circuit.
Because a conventional noise canceller determines the time
constant according to CR as shown in Fig. 5, the rise time is
dependent on the CR, as shown in Fig. 6. This caused a delay
in the rise, which resulted in a deterioration of noise filtering
performance when the rise was delayed too much.
In the LA17000, the circuits that determine the gate time have
been configured with logic, resulting in a faster rise and
making more reliable noise filtering possible.
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