参数资料
型号: TK14489V
厂商: TOKO INC
元件分类: 接收器
英文描述: FM, AUDIO SINGLE CHIP RECEIVER, PDSO20
封装: TSSOP-20
文件页数: 4/25页
文件大小: 2570K
代理商: TK14489V
TK14489V
GC3-E011E
Page 12
9-10. Characteristics Using Ceramic Discriminator
9-10-1. CDA455C27(TOKO)
S+N, AM OUT, N, THD vs. RF Input(f
in=10.7MHz)
S+N, AM OUT, N, THD vs. IF Input(f
in=455kMHz)
V
RF, RF Input(dB
)
-20
S+N
,AM
OUT,
N
(dBV)
0
120
-90
-80
-70
-60
-50
-40
-30
-20
-10
20
40
60
80
100
0.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
8.0
THD(%)
S+N
N
THD
V
CC=5.0V
f
RF=10.7MHz
f
m=1kHz
f
dev.=±3kHz
AM OUT
(mod.=30%)
V
IF, IF Input(dB
)
-20
S+N,
AM
OUT
,N(dBV)
0
120
-90
-80
-70
-60
-50
-40
-30
-20
-10
20
40
60
80
100
0.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
8.0
THD(%)
S+N
AM OUT
(mod.=30%)
N
THD
V
CC=5.0V
f
IF=455kHz
f
m=1kHz
f
dev.=±3kHz
Output Voltage, Total Harmonic Distortion versus IF
Input Frequency(variables: V
CC)
Output DC Voltage vs. IF Input Frequency(variables:
V
CC)
435
V
O
,Output
Voltage
(
d
BV)
440
475
-55
-50
-45
-40
-35
-30
-25
-20
-15
445 450 455 460 465 470
0.0
THD,
Total
Harmonic
Distortion(%)
1.0
2.0
3.0
4.0
5.0
6.0
7.0
8.0
V
CC=
8.5V
5.0V
2.5V
THD
V
O
f
IF, IF Input Frequency(kHz)
f
IF, IF Input Frequency(kHz)
435
V
O(DC)
,Output
DC
Voltage(V)
440
475
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
445 450 455 460 465 470
V
CC=2.5V
V
CC=5.0V
V
CC=8.0V
Output Voltage, Total Harmonic Distortion versus IF
Input Frequency(variables: Ambient Temperature)
Output DC Voltage vs. IF Input Frequency(variables:
Ambient Temperature)
435 440
475
-55
-50
-45
-40
-35
-30
-25
-20
-15
445 450 455 460 465 470
0.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
8.0
T
a=
-40°C
+25°C
+85°C
THD
V
O
f
IF, IF Input Frequency(kHz)
THD,
Total
Harmonic
Distortion(%)
V
O
,Output
Voltage
(
d
BV)
-40°C->+25°C->+85°C
T
a=
435 440
0.8
1.0
1.2
1.4
1.6
1.8
2.0
2.2
2.4
445 450 455 460 465 470 475
T
a=
+85°C
+25°C
-40°C
f
IF, IF Input Frequency(kHz)
V
O(DC)
,Output
DC
Voltage(V)
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