參數(shù)資料
型號(hào): LA17000M
廠商: Sanyo Electric Co.,Ltd.
英文描述: Tuner System IC with Built-in PLL for Car Audio Applications
中文描述: 調(diào)諧器集成電路與系統(tǒng)專為汽車音響應(yīng)用的鎖相環(huán)
文件頁數(shù): 37/54頁
文件大小: 830K
代理商: LA17000M
LA17000M
No. 6522-37/54
Continued from preceding page.
Pin No.
57
Function
Equivalent circuit
Description
HCC capacitor
58
AM L.C. pin
59
Pilot detector
A13352
A13353
Continued on next page.
A13354
HCC frequency characteristics are
determined by the capacitance of the
external capacitor.
In AM mode, this changes the
frequency characteristics of the
unneeded audio band below 100 Hz
in order to produce clear audio.
Note:
The capacitor for the LC must be
connected to V
CC
(pin 56) (because
the detection circuit operates with
V
CC
as a reference).
The cutoff frequency f
C
is determined
by the following formula:
f
C
= 1/2
π
×
50 k
×
C
Inserting a 1-M
resistor between
pin 59 and V
CC
forces MONO.
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