參數(shù)資料
型號(hào): 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(yè)數(shù): 23/25頁(yè)
文件大?。?/td> 2570K
代理商: TK14489V
TK14489V
GC3-E011E
Page 7
RSSI Response(variables: Conversion Resistor R
S)
V
RF, RF Input(dB
)
RSSI
Output
Voltage(V)
120
0.0
0.5
1.0
1.5
2.0
2.5
5.0
-20
0
204060
80
100
4.0
3.5
3.0
4.5
R
S=
10k
R
S=
22k
R
S=
33k
R
S=
68k
9-5. Filter Amplifier Section
Filter Amplifier Response
BPF
V
in, Filter AMP Input(mVrms)
V
out
,Filter
AMP
Output(mVrms)
100
10
100
1000
10000
0.1
1
10
0.1
1.0
10.0
100
THD,
Total
Harmonic
Distortion(%)
THD
V
out
f
in=1kHz
1k
270k
f
in, Filter AMP Input Frequency(kHz)
Gain(dB)
100
-20
-5
-10
20
110
0
10
-15
15
5
V
CC=5.0V
V
in=5mVrms
1n 390k
750
18k
9-6. Squelch Section
Scan Control Output Voltage, Inverting Scan Control
Output Voltage versus Squelch Input Voltage
Squelch Threshold Voltage versus Squelch Hysteresis
Resistor
V
SQ, Squlch Input Voltage(V)
Scan
Control
Output
Voltage(
V
)
2.0
0.0
1.0
2.0
6.0
0.0
0.4
0.8
1.2
4.0
3.0
5.0
1.6
Scan Control
R
HYS, Hysteresis Resistor(k)
)
V
TH
,V
TL
,Squelch
Threshold
Voltage(V)
3.0
0.0
0.4
0.6
1.4
0.0
0.5
1.0
1.5
1.0
0.8
1.2
2.0
2.5
0.2
V
TL
V
TH
*H
YS=VTH-VTL
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