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參數資料
| 型號： | TK14551VTL |
| 廠商： | TOKO INC |
| 元件分類： | 通信及網絡 |
| 英文描述： | FM IF DETECTOR/AMPLIFIER |
| 中文描述： | SPECIALTY TELECOM CIRCUIT, PDSO24 |
| 封裝： | TSSOP-24 |
| 文件頁數： | 1/32頁 |
| 文件大小： | 334K |
| 代理商： | TK14551VTL |
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January 2000 TOKO, Inc.
Page 1
TK14551V
FEATURES
I
IF Input Frequency ~90 MHz (TYP)
I
Balanced Input (IF)
I
Includes Dual High Speed RSSI Outputs. One is for
ASK demodulation, another one is for carrier
sensing.
I
RSSI outputs are accurate with stable temperature
characteristic and include buffer amplifiers.
I
High Speed RSSI Comparator for Carrier Sensing
I
HIgh Speed Data Comparator (~2 Mbps)
I
Wide Band Demodulator (~1 MHz)
I
Battery Save Function
I
Low Voltage Operation: 3.0 ~ 5.5 V
I
Very Small Package (TSSOP-24)
BLOCK DIAGRAM
TK14551
APPLICATIONS
I
Wide Band FSK Demodulation
I
Wide Band FM Demodulation
I
Video Signal Demodulation
I
Wide Band ASK Demodulation
ORDERING INFORMATION
TAPE/REEL CODE
TL: Tape Left
Tape/Reel Code
TK14551V
IF INPUT (-)
IF INPUT (+)
IF GND
BATTERY SAVE
RSSI COMP BIAS
RSSI OUTPUT-1
RSSI OUTPUT-2
IF DECOUPLE
IF DECOUPLE
IF OUTPUT
FM DEMODULATOR INPUT
IF VCC
GND
VCC
13
14
15
16
17
18
19
20
21
22
23
FM DEMODULATOR AMP INPUT
FM DEMODULATOR AMP OUTPUT
RSSI BUFFERED OUTPUT-2
DATA COMP INPUT (-)
DATA COMP INPUT (+)
RSSI BUFFERED OUTPUT-1
RSSI COMP OUTPUT
RSSI COMP GND
DATA COMP GND
DATA COMP OUTPUT
FM IF DETECTOR/AMPLIFIER
DESCRIPTION
The TK14551V is a wide band IF IC capable of operating
up to 90 MHz. It includes an FM demodulator, RSSI, RSSI
comparator and data comparator. These functions can
perform high-speed operations. The TK14551V has a
unique function that allows establishing the demodulation
characteristics by changing the external RC time constant,
and not changing the phase shifter constant. The RSSI
output is individually trimmed, resulting in excellent
accuracy, good linearity, and stable temperature
characteristics. Because the TK14551V includes a dual
high-speed RSSI output, it is possible to demodulate AM
simply and to sense the carrier level at the same time.
Therefore, the TK14551V is suitable for high-speed data
communication and can be used for various applications.
The TK14551V is available in the very small TSSOP-24
surface mount package.
IF
AMP
BIAS
RSSI
Demodulator
VCC
VCC
BUFF2
D
C
CoRSSI
I
I
I
B
R
R
R
R
R
R
D
D
I
I
I
F
I
G
V
F
F
R
D
相關PDF資料 |
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| TK14552V | Wide band AM / ASK IF IC for ETC |
| TK14584 | FM IF IC |
| TK14584M | FM IF IC |
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相關代理商/技術參數 |
參數描述 |
|---|---|
| TK14552V | 制造商:TOKO 制造商全稱:TOKO, Inc 功能描述:Wide band AM / ASK IF IC for ETC |
| TK14583V-G | 制造商:TOKO 制造商全稱:TOKO, Inc 功能描述:Wide band FM IF IC for remote keyless entry / tire pressure monitoring system |
| TK14583VTL-G | 制造商:TOKO 制造商全稱:TOKO, Inc 功能描述:Wide band FM IF IC for remote keyless entry / tire pressure monitoring system |
| TK14584 | 制造商:TOKO 制造商全稱:TOKO, Inc 功能描述:FM IF IC |
| TK14584M | 制造商:TOKO 制造商全稱:TOKO, Inc 功能描述:FM IF IC |
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