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參數(shù)資料
| 型號(hào)： | LA1784 |
| 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(yè)數(shù)： | 18/50頁(yè) |
| 文件大?。?/td> | 568K |
| 代理商： | LA1784 |
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No. 6039-18/50
LA1784M
Pin No.
Function
Description
Equivalent circuit
59
60
63
O S C
64
1ST.IF
30
VCC
C1
C2
5 pF
5 pF
RF AMP
620
620
VCC
A11749
+
3
6
+
–
FM.F.E
AGC
AM/FM
switching circuit
SD
VCC
510
100 k
3.3 V
GND
A11750
8 V
62
AM 1st
MIX
to RF
Amp.
10 k
2.1 V
A11751
10
10 k
5.6 V
20 pF
33 pF
X tal
to 2nd
MIX
A11752
Continued from preceding page.
Double balanced mixer
Pins 59 and 60 are the mixer
10.7-MHz output
59
60
Mixer output
Pins 63 and 64 are the mixer
input.
This is an emitter insertion type
circuit, and the amount of
insertion is determined by the
capacitors C1 and C2.
63
64
Mixer input
Note:The lines for pins 63 and 64
must be kept separated from
the lines for pins 59 and 60.
Pin 6 functions both as the FM
front end V
CC
and the AM/FM
switching circuit.
6
Front end V
CC
AM/FM
switching
1st MIX
INPUT
First mixer input
The input impedance is about
10 k
.
62
Crystal oscillator circuit
The Kinseki, Ltd. HC-49/U-S and
a C
L
of 20 pF must be used.
10
AM 2nd OSC
V6 voltage
When 8 V
→
FM
OPEN
→
AM
Mode
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LA1784M | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Single-Chip Tuner IC for Car Radios |
| LA1787M | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Single-Chip Tuner IC for Car Radios |
| LA1787M_09 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Single-Chip Tuner IC for Car Radios |
| LA1787M-MPB-E | 功能描述:調(diào)諧器 CAR RADIO TUNER RoHS:否 制造商:NXP Semiconductors 功能: 噪聲系數(shù): 工作電源電壓: 最小工作溫度: 最大工作溫度: |
| LA1787NM | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Single-Chip Car Radio System IC |
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