參數(shù)資料
型號(hào): LV25450PNW
元件分類: 調(diào)諧器
英文描述: AUDIO TUNER, PQFP64
封裝: 10 X 10 MM, SQFP-64
文件頁(yè)數(shù): 5/40頁(yè)
文件大小: 1251K
代理商: LV25450PNW
LV25450PNW
Block Diagram
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
8V
5V
8V
5V
8V
L
P
F
L
P
F
Xtal
4.5MHz
MIX
COIL
AM
Mixer/
FM
IQ-Mixer
ECL2 1/4,1/6 1/8,1/10
Wide
AGC
AM
1st
AMP
Limitter AMP
Singal
Meter
Keyed AGC
Narrow
AGC
RF
AGC
ANT
-D
ANT
DAC
RF
DAC
ECL1 1/1,1/2
1/3
VCO
IF
gain
variation
correction
(narrow
output)
9BIT-DAC temperature characteristics compensatioin slope
switching
AM
RF-
AGC
compalate
S-Meter Shifter
IQ-Mixer gain-adj
TUNER
adjustment
FM
AGC
AM
RF-
AGC
Amp
sens
FM
APF
adj
FM
keyed-AGC
AM/FM N-AGC
AM/FM W-
A
G
C
IN
3-1
IN
3-2
IN
1
IN
2
Wide
AGC
Narrow
AGC
RF
AGC
ANT
-D
AM
AGC
PLL
swallow counter
P-CTR
phase
det
charge pump
R-CTR
POWER
ON
RESET
NMOS
T
r
Computer
Control
Bus
XT
AL
OSC
3V
REG
4V
REG
4.9V REG
S-METER
(main/sub)
2.7V REG
AM AMP
FM AMP
IF-
Driver
Analog IF
AGC AMP
Diver
IF
Buf
fer
IF
AGC
AMP
Xtal-OSC freq.
adj
Xtal-OSC level
adj
Xtal
Filter_16kHz
CF10.7MHz_180k
Coil
tuning
circuit
AM
RF
amplifier
circuit
BPF
AM
antenna circuit
FM
RF
amplifier
circuit
FM
RF
tuning
circuit
No.A1668-13/40
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