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): 4/40頁(yè)
文件大?。?/td> 1251K
代理商: LV25450PNW
LV25450PNW
LV25450PNW Level Diagrams
FM Level Diagram
0
20
40
60
80
100
120
ANT in dB
μV
ANT
ANTD
FET
Amp
IQ
Mixer
CF
(180k)
IFAGC Amp
Block
Level
[dB
μ
V]
ANTin = 45.6dB
μV
ANTin = 5dB
μV
ANTin = 65dB
μV
ANTin = 120dB
μV
AM Level Diagram
0
20
40
60
80
100
120
ANT IN
ANT Dummy
ANTD
RF amp
Mixer
CF
(180k)
1st-IF
Amp
Xtal filter
(6k)
IFAGC
Amp
Block
Signal
level
[dB
μ
V]
ANTin = 45.6dB
μV
ANTin = 5dB
μV
ANTin = 65dB
μV
ANTin = 120dB
μV
Near practical sensitivity
IFAGC-ON
RFAGC-ON
Strong input signal
24
56.3
80
120
Full Gain
ANT IN
7.5
39.8
63.5
103.5
-16.5
ANT Dummy
7.5
39.8
63.5
0
ANTD
29
61.3
85
21.5
RF amp
39.5
71.8
95.5
10.5
Mixer
36
68.3
92
-3.5
CF
(180k)
41.2
73.5
97.2
-1
Xtal filter
(6k)
42.2
74.5
98.2
6.2
1st-IF
Amp
66.7
99
25.5
IFAGC
Amp
Near practical sensitivity
IFAGC-ON
RFAGC-ON
Strong input signal
FET : FET Application
FM (FET) Gain Down
AM
5.0
43.6
65.0
120.0
ANT in dB
μV
1.5
40.1
61.5
116.5
-3.5
ANT
1.5
40.1
61.5
68.1
0
ANTD
24.4
63.0
84.4
91.0
22.9
FET
Amp
37.9
76.5
97.9
104.5
13.5
IQ
Mixer
34.9
73.5
94.9
101.5
-3
CF
(180k)
55.4
Total
Gain
60.4
99.0
25.5
IFAGC Amp
No.A1668-12/40
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