參數(shù)資料
型號(hào): 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(yè)數(shù): 6/50頁(yè)
文件大?。?/td> 568K
代理商: LA1784M
Pin No.
Function
Description
Equivalent circuit
3
F.E.GND
7
VCC
A L C
A11714
Pin Descriptions
No. 6039-6/50
LA1784M
1
ANT
1000 pF
1000 pF
100
100
300
VCC
62 pin
RF
AGC
A11711
+
2
N
AGC
DET
W
AGC
DET
KEYED
AGC
ANT
DAMPING
DRIVER
VCC
VCC
12 k
FET
2ND GATE
A11712
4
VCC
25 pF
20 pF
2 k
VT
A11713
An antenna damping current flows
when the RF AGC voltage (pin 2)
reaches V
CC
– V
D
.
1
Antenna damping drive
2
RF AGC
Used to control the FET
second gate.
Oscillator connection
The transistor and capacitors
required for the oscillator circuit.
4
OSC
AM first oscillator
This circuit can oscillator up to the
SW band.
An ALC circuit is included.
7
AM OSC
Continued on next page
.
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