參數(shù)資料
型號(hào): LA1867NM
廠商: Sanyo Electric Co.,Ltd.
英文描述: Car Radio Single-Chip Tuner System
中文描述: 汽車無(wú)線電單芯片調(diào)諧器系統(tǒng)
文件頁(yè)數(shù): 16/32頁(yè)
文件大小: 941K
代理商: LA1867NM
Continued from preceding page.
MRC Block
No. 4619-16/32
LA1867NM
Pin
Function
Equivalent internal circuit
Note
38
Noise AGC sensitivity
adjustment pins
39
35
HPF slope adjustment pin
Pin 38 is the noise sensitivity setting pin.
First set the medium field (about 50 dBμ)
level, and the set the weak field (about 20 to
30 dBμ) with pin 39 (AGC adjustment).
The slope of the high-pass filter can be
adjusted by changing the value of the
resistor (R) connected between pin 35 and
ground. If this adjustment is not needed,
pin 35 can be left open.
Pin
Function
Equivalent internal circuit
Note
18
IF S-meter output and MRC
DC input pin
S-meter output block
MRC DC input block
Continued on next page.
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)
LA1875 Single-Chip, Electronic Tuner for Car Stereo
LA1883M Single-chip, FM/AM Tuner for Car Radio and Home Stereo Equipment(應(yīng)用于車載電臺(tái)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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