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參數(shù)資料
| 型號： | TK14489V |
| 廠商： | TOKO INC |
| 元件分類： | 接收器 |
| 英文描述： | FM, AUDIO SINGLE CHIP RECEIVER, PDSO20 |
| 封裝： | TSSOP-20 |
| 文件頁數(shù)： | 21/25頁 |
| 文件大?。?/td> | 2570K |
| 代理商： | TK14489V |
TK14489V
GC3-E011E
Page 5
9. TYPICAL CHARACTERISTICS
9-1. Mixer + IF Section
V
O(DET), AM OUT, N ,THD vs. RF Input(fin=10.7MHz)
V
O(DET), AM OUT, N ,THD vs. IF Input(fin=455kHz)
THD
V
RF, RF Input(dB
)
-20
S+N
,AM
OUT,
N
(dBV)
120
-90
-10
THD(%)
0.0
8.0
0
204060
80
100
1.0
2.0
3.0
4.0
5.0
6.0
7.0
-20
-30
-40
-50
-60
-70
-80
S+N
N
AM OUT
(30% mod.)
V
CC=5.0V
f
RF=10.7MHz
f
mod.=1kHz
f
dev.=±3kHz
V
IF, IF Input(dB
)
-20
S+N
,AM
OUT,
N
(dBV)
120
-90
-10
THD(%)
0.0
8.0
0
204060
80
100
1.0
2.0
3.0
4.0
5.0
6.0
7.0
-20
-30
-40
-50
-60
-70
S+N
N
THD
V
CC=5.0V
f
IF=455kHz
f
mod.=1kHz
f
dev.=±3kHz
-80
AM OUT
(30% mod.)
9-2. Mixer Section
Mixer Conversion Gain versus RF Input Frequency
The 3
rd Intercept Point
f
RF, RF Input Frequency(Hz)
1M
G
M
,Mixer
Conversion
Gain(dB)
1G
14.0
32.0
10M
100M
26.0
24.0
22.0
20.0
18.0
16.0
28.0
30.0
V
RF, RF Input(dB
)
20
Mixer
Output(dB
)
120
40
140
40
130
110
100
90
80
70
60
80
100
60
50
120
3rd Order
Intermod.
f
1=10.7125MHz
f
2=10.7250MHz
1st Order Desired
f
0=10.7000MHz
Mixer Conversion Gain versus Local Input
12dB SINAD Sensitivity, Signal to Noise Ratio versus
Local Input
V
LO, Local Input(dBm)
-40
G
M
,Mixer
Conversion
Gain(dB)
20
0.0
35.0
25.0
20.0
15.0
10.0
5.0
-30
-20
-10
0
10
30.0
V
LO, Local Input(dBm)
-80
SIAND,
12dB
SINAD
Sensitivity[dB
]
20
0.0
90.0
-60
-40
60.0
50.0
40.0
30.0
20.0
10.0
70.0
80.0
-20
0
f
RF=
83MHz
10.7MHz
21.4MHz
58MHz
S/N,
Signal
to
Noise
Ratio[dB]
0.0
90.0
70.0
50.0
40.0
30.0
20.0
S/N
SINAD
80.0
60.0
10.0
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