參數資料
型號: LA1784M
元件分類: 接收器
英文描述: AM/FM, AUDIO SINGLE CHIP RECEIVER, PQFP64
封裝: QIP-64
文件頁數: 47/50頁
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
100
100
300
VCC
62 pin
RF
AGC
A11711
+
2
N
AGC
DET
W
AGC
DET
KEYED
AGC
ANT
DAMPING
DRIVER
VCC
12 k
FET
2ND GATE
A11712
4
VCC
25 pF
20 pF
2 k
VT
A11713
An antenna damping current flows
1
Antenna damping drive
when the RF AGC voltage (pin 2)
reaches VCC – VD.
2
RF AGC
Used to control the FET
second gate.
Oscillator connection
4
OSC
The transistor and capacitors
required for the oscillator circuit.
AM first oscillator
7
AM OSC
This circuit can oscillator up to the
SW band.
An ALC circuit is included.
Continued on next page.
相關PDF資料
PDF描述
LA1787NM AM/FM, AUDIO SINGLE CHIP RECEIVER, PQFP64
LA1787NM AM/FM, AUDIO SINGLE CHIP RECEIVER, PQFP64
LA1800 AM/FM, AUDIO SINGLE CHIP RECEIVER, PDIP22
LA1805 AM/FM, AUDIO SINGLE CHIP RECEIVER, PDIP24
LA1806 AM/FM, AUDIO SINGLE CHIP RECEIVER, PDIP24
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