參數(shù)資料
型號: LA1867NM
廠商: Sanyo Electric Co.,Ltd.
英文描述: Car Radio Single-Chip Tuner System
中文描述: 汽車無線電單芯片調(diào)諧器系統(tǒng)
文件頁數(shù): 8/32頁
文件大小: 941K
代理商: LA1867NM
Pin Functions
FM-IF Block
No. 4619-8/32
LA1867NM
Continued on next page.
Pin
Function
Equivalent internal circuit
Note
18
S-meter output for MRC
and SNC
32
S-meter output for muting
drive and HCC
30
S-meter output for SD
28
S-meter output shift control
pin
20
Noise canceller input
21
FM detector output
30
FM SD Adj
Constant current drive type
The slope can be changed by changing the
value of the S-meter output resistance.
The field strength can be shifted in the
positive or negative direction with an
external resistor on pin 28 without changing
the S-meter slope.
Noise canceller input
The input impedance is 50 k
.
FM detector output
Low impedance in FM mode
Pin 30
The comparison voltage is determined by
the external resistor.
Pin 30 is the S-meter output, and SD turns
on when it exceeds the internal supply
voltage.
Unit (resistance:
, capacitance:F)
相關(guān)PDF資料
PDF描述
LA1875M Single-chip, Electronic Tuner for Car Stereo(用于汽車立體聲的單芯片電子調(diào)諧器)
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LA1883M Single-chip, FM/AM Tuner for Car Radio and Home Stereo Equipment(應(yīng)用于車載電臺和家庭立體聲設(shè)備的FM/AM調(diào)諧器)
LA1883 Single-Chip FM/AM Tuner for Car Radio and Home Stereo Equipment
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