參數(shù)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(shù): 48/50頁
文件大?。?/td> 568K
代理商: LA1784M
No. 6039-7/50
LA1784M
Pin No.
Function
Description
Equivalent circuit
13
Pilot input
Pin 13 is the PLL circuit input pin.
14
N.C, MPX, MRC, GND
Ground for the N.C., MPX, and
MRC circuits.
+
8
9
3 k
15 k
3 k
3 k
1 M
0.01
F
0.47
F
200
A11715
13
12
11
VCC
3.9 k
0.01
F
6800 pF
Differential
amp
Gate
circuit
LPF
A11715
A11716
12
13
30 k
VCC
PLL
N.C
0.01
F
A11717
After setting up the medium field
(about 50 dB) sensitivity with the
8
Noise AGC sensitivity
noise sensitivity setting pin (pin 8),
9
AGC adjustment
set the weak field (about 20 to
30 dB) sensitivity with the AGC
adjustment pin (pin 9)
11
Memory circuit connection
Recording circuit used during
12
noise canceller operation.
Continued from preceding page.
Continued on next page.
相關(guān)PDF資料
PDF描述
LA1787NM AM/FM, AUDIO SINGLE CHIP RECEIVER, PQFP64
LA1787NM AM/FM, AUDIO SINGLE CHIP RECEIVER, PQFP64
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