TK14551V 데이터 시트보기 (PDF) - Toko America Inc
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TK14551V Datasheet PDF : 32 Pages
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TK14551V
TYPICAL PERFORMANCE CHARACTERISTICS
TA = 25 °C, unless otherwise specified.
FM DEMODULATION
S+N, N, THD, AM OUT (fin = 10.7 MHz)
0
VCC = 3 V
20
fin = 10.7 MHz
fm = 1 kHz
-20 dev. = ±100 kHz
S+N
16
-40
12
AM OUT
-60
(30% mod.)
8
-80
N
4
THD
-100
0
-120 -100 -80 -60 -40 -20 0 20
IF INPUT LEVEL (dBm)
RSSI BUFFER OUTPUT VOLTAGE
vs. IF INPUT LEVEL
(VCC CHARACTERISTICS)
2.0
fin = 40 MHz
1.6
1.2
VCC
0.8
5.5 V
5.0 V
4.0 V
3.0 V
0.4
0.0
-120 -100 -80 -60 -40 -20 0 20
IF INPUT LEVEL (dBm)
LOGARITHMIC DETECTION
AM DEMODULATION VOLTAGE VS.
IF INPUT LEVEL
1000
500
300
VCC = 3 V
fin = 40 MHz
fm = 2 MHz
mod = 80%
100
50
30
10
-120 -100 -80 -60 -40 -20 0 20
IF INPUT LEVEL (dBm)
FM DEMODULATION
S+N, N, THD, AM OUT (fin = 40 MHz)
0
VCC = 3 V
20
fin = 40 MHz
fm = 1 kHz
-20 dev. = ±100 kHz
S+N
16
-40
12
AM OUT
(30% mod.)
-60
8
-80
N
4
THD
-100
0
-120 -100 -80 -60 -40 -20 0 20
IF INPUT LEVEL (dBm)
RSSI BUFFER OUTPUT VOLTAGE
vs. IF INPUT LEVEL
(FREQUENCY CHARACTERISTICS)
2.0
VCC = 3 V
1.6
1.2
fin
0.8
40 MHz
70 MHz
90 MHz
0.4
0.0
-120 -100 -80 -60 -40 -20 0 20
IF INPUT LEVEL (dBm)
LOGARITHMIC DETECTION
AM DEMODULATION VOLTAGE VS.
DEMODULATING FREQUENCY
1000
500
300
100
50
VCC = 3 V
fin = 40 MHz
30
mod = 80%
10
10k 30k 100k 300k 1M 3M 10M
MODULATING FREQUENCY fm (Hz)
January 2000 TOKO, Inc.
Page 11
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