參數(shù)資料
型號: LA1845N
元件分類: 接收器
英文描述: AM/FM, AUDIO SINGLE CHIP RECEIVER, PDIP24
封裝: 0.300 INCH, DIP-24
文件頁數(shù): 3/4頁
文件大?。?/td> 119K
代理商: LA1845N
LA7210
No.1769-3/4
Equivalent Circuit Block Diagram
Test Circuit Diagram
1/32 countdown
1
2
3
4
5
6
7
8
9
10
AND
Amplifier
AFC
Sync separator
GND
Video input
VCC
Output
Comparator
VOC 32 fH
1
2
3
4
5
6
7
8
9
10
mA
V80
V10
1000p 330p
330k
Ω
1000p
CSB500E5
Ceramic (Murata)
1.2k
Ω
15k
Ω
VOSC
fOSC
1k
Ω
18k
Ω
75k
Ω
10k
Ω
20k
Ω
VR
100k
Ω
220
Ω
33
Ω
10
μF
4
μs
0.3Vp-p
1
μF
+9.0V
3.3k
Ω
SW3 SW4
SG1 : Use a standard color bar (EBU) and take 0dB to be 1Vp-p.
SG2 : Pulse generator (See the figure below.)
Variable frequency
SW5
SW1
SG2
SW2
VCC
V8H
V8L
ICC
16
ab
0.47
μF
0.47
μF
LA7210
a
b
ab
+
a
c
a
c
b
mA
f8H/L
V6IN
SG1
ATT
相關(guān)PDF資料
PDF描述
LA1851N AM/FM, AUDIO SINGLE CHIP RECEIVER, PDIP30
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