參數(shù)資料
型號: LA1784M
廠商: Sanyo Electric Co.,Ltd.
英文描述: Single-Chip Tuner IC for Car Radios
中文描述: 單芯片調(diào)諧器IC的汽車收音機(jī)
文件頁數(shù): 15/50頁
文件大?。?/td> 568K
代理商: LA1784M
No. 6039-15/50
LA1784M
Pin No.
Function
Description
Equivalent circuit
45
IF output
The IF amplifier load
+
42
DET
44
VCC
VCC
C
2.2
μ
F
0.022
μ
F
50 k
50 k
240 k
G1
10
SEEK
ON
IF
AGC
A11739
45
DET
Pin 40 VCC
Pin 40 VCC
A11740
46
VCC
VCC
50 pF
100
20 k
ANT DAMPING
DRIVER
W.AGC AMP.
A11741
Continued from preceding page.
Continued on next page.
G1; Used for time constant
switching during seeks.
Reception
τ
= 2.2 μF
×
300 k
Seek
τ
= 2.2 μF
×
10
The external capacitors are
connected to V
CC
.
This is because the IF amplifier
operates referenced to V
CC
.
44
IF AGC
AM antenna damping
drive output
Wide band AGC input
I
46 = 6 mA (maximum)
This is the antenna damping
current.
46
相關(guān)PDF資料
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LA1787M Single-Chip Tuner IC for Car Radios
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