參數(shù)資料
型號: TK14551V
廠商: TOKO INC
元件分類: 通信及網(wǎng)絡(luò)
英文描述: FM IF DETECTOR/AMPLIFIER
中文描述: SPECIALTY TELECOM CIRCUIT, PDSO24
封裝: TSSOP-24
文件頁數(shù): 11/32頁
文件大?。?/td> 334K
代理商: TK14551V
January 2000 TOKO, Inc.
Page 11
TK14551V
TYPICAL PERFORMANCE CHARACTERISTICS
T
A
= 25
°
C, unless otherwise specified.
S
0
-100
-40
-80
-60
-20
FM DEMODULATION
S+N, N, THD, AM OUT (fin = 10.7 MHz)
IF INPUT LEVEL (dBm)
-120 -100 -80 -60 -40 -20 0 20
20
0
12
4
8
16
VCC = 3 V
fin = 10.7 MHz
fm = 1 kHz
dev. =
±
100 kHz
S+N
AM OUT
(30% mod.)
N
THD
S
0
-100
-40
-80
-60
-20
FM DEMODULATION
S+N, N, THD, AM OUT (fin = 40 MHz)
IF INPUT LEVEL (dBm)
-120 -100 -80 -60 -40 -20 0 20
20
0
12
4
8
16
VCC = 3 V
fin = 40 MHz
fm = 1 kHz
dev. =
±
100 kHz
S+N
AM OUT
(30% mod.)
N
THD
R
2.0
RSSI BUFFER OUTPUT VOLTAGE
vs. IF INPUT LEVEL
(VCC CHARACTERISTICS)
IF INPUT LEVEL (dBm)
-120 -100 -80 -60 -40 -20 0 20
0.0
1.2
fin = 40 MHz
0.4
0.8
1.6
VCC
5.5 V
5.0 V
4.0 V
3.0 V
R
2.0
RSSI BUFFER OUTPUT VOLTAGE
vs. IF INPUT LEVEL
(FREQUENCY CHARACTERISTICS)
IF INPUT LEVEL (dBm)
-120 -100 -80 -60 -40 -20 0 20
0.0
1.2
VCC = 3 V
0.4
0.8
1.6
fin
40 MHz
70 MHz
90 MHz
R1000
LOGARITHMIC DETECTION
AM DEMODULATION VOLTAGE
VS.
IF INPUT LEVEL
IF INPUT LEVEL (dBm)
-120 -100 -80 -60 -40 -20 0 20
10
500
300
30
VCC = 3 V
fin = 40 MHz
fm = 2 MHz
mod = 80%
50
R1000
LOGARITHMIC DETECTION
AM DEMODULATION VOLTAGE
VS.
DEMODULATING FREQUENCY
MODULATING FREQUENCY fm (Hz)
10k 30k 100k 300k 1M 3M 10M
10
500
300
30
50
VCC = 3 V
fin = 40 MHz
mod = 80%
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