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參數(shù)資料
| 型號： | MC13173FTB |
| 廠商： | MOTOROLA INC |
| 元件分類： | 通信及網絡 |
| 英文描述： | INFRARED TRANSCEIVER |
| 中文描述： | SPECIALTY TELECOM CIRCUIT, PQFP32 |
| 封裝： | PLASTIC, TQFP-32 |
| 文件頁數(shù)： | 1/18頁 |
| 文件大?。?/td> | 336K |
| 代理商： | MC13173FTB |
1
MOTOROLA ANALOG IC DEVICE DATA
The MC13173 is a low power infrared integrated system (IRIS). It is a
unique blend of a split IF wideband FM receiver and a specialized infrared
LED transmitter. This device was designed to provide communications
between portable computers via a half duplex infrared link at data rates up to
200 kbps.
The receiver includes a mixer, IF amplifier and limiter and data slicer. The
IF amplifier is split to accommodate two low cost cascaded filters. The RSSI
output is derived by summing the output of both IF sections.
The transmitter section includes a frequency synthesizer, FSK modulator,
harmonic low pass filter and an IR LED driver.
Transmitter Operates in Two Modes:
– On/Off Pulsing for Remote Control
– FSK Modulation at 1.4 MHz for Data Communications
Over 70 dB of RSSI Range
Split IF for Improved Filtering and Extended RSSI Range
Digitally controlled Via a Six Line Interface Bus
Individual Circuit Blocks Can Be Powered Down When Not In Use for
Power Conservation
Device
Operating
Temperature Range
Package
SEMICONDUCTOR
TECHNICAL DATA
INFRARED
TRANSCEIVER
ORDERING INFORMATION
MC13173FTB
TA = – 40
°
to +85
°
C
TQFP–32
FTB SUFFIX
PLASTIC PACKAGE
CASE 873
(Thin QFP)
Order this document by MC13173/D
32
1
Simplified Block Diagram
This device contains 914 active transistors.
32 kHz
Ref
Ma
PLL
Tx
PLL
14 MHz
Ref
T
Data
In
E
IR LED
Driver
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
9
10
11
12
13
14
15
16
IF
IF
IF
Out
V
Lim
In
Lim
Dec1
Lim
Dec2
RSSI
1
2
3
4
5
6
7
8
Master
VCO/PLL
FSK
Mode Select
Harmonic
LPF
Driver
Data Slicer
V
Limiter
IF
Mixer
Dec1
Dec2
CC2
12 M
V
R
RF In1
RF In2
Mixer
Out
V
IF In
LED Driver
Feedback
V
Data Out
V
Data
Slicer In
Demod
Quad Coil
Carrier
Detect
EE3
EE2
Modulator
Amplifier
Reg1
VReg2
EE1
CC1
Motorola, Inc. 1996
Rev 0
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