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參數(shù)資料
| 型號： | U4311B-C |
| 英文描述： | Remote-Control Receiver/Decoder |
| 中文描述： | 遙控接收器/解碼器 |
| 文件頁數(shù)： | 1/13頁 |
| 文件大?。?/td> | 84K |
| 代理商： | U4311B-C |
U4311B-FS
Rev. A3, 28-Sep-00
1 (13)
Low-Current Superhet Remote Control Receiver
Description
The U4311B-FS is a monolithic integrated circuit in
bipolar technology for low-current UHF remote control
super-heterodyne receivers in amplitude- or frequency-
modulated mode. Typical applications are keyless car
lock-, alarm- or tele-control remote indication systems.
Especially for automotive applications, it supports a
superhet design with about 1 mA total current
consumption as required by the car manufacturers.
Features
Usable for amplitude- and frequency-modulated
transmission systems
Extremely low quiescent current (approximately
1 mA in standby mode due to wake-up concept)
Wide power supply voltage range 3 to 13 V
Sensitive IF amplifier for 10.7-MHz operating
frequency
Block Diagram
Logarithmic AM demodulator
FM demodulator
Monoflop output to wake up a microcontroller
High-performance operational amplifier to realize a
data recovering filter
Non-inverting clamping comparator with amplitude-
depending hysteresis for data regeneration
Non – invert.
clamping
comparator
Monoflop
Bandgap
Quadrature
detector
Operational
amplifier
IF
amplifier
Internal
V
Ref
= 2.4 V
RF
Level
Wake up
13
3
Wake-up out
9
7
V
S
2
6
+
1
–
20
18
16
11
Data out
Data
filter
FM out
log AM out
10.7 MHz
10.7 MHz
17
15
V
Ref
= 2.4V
5
12648
12
19
Figure 1. Block diagram
Ordering Information
Extended Type Number
U4311B-MFSG3
Package
SSO20
Remarks
Ambient temperature up to +105
°
C
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PDF描述 |
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| U4311B-CFL | Rail to rail micropower BiCMOS comparators |
| U4311B-M | Consumer IC |
| U4311B-FS | Low-Current Superhet Remote Control Receiver |
| U440 | N-Channel JFET Monolithic Dual |
| U441 | N-Channel JFET Monolithic Dual |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| U4311B-CFL | 制造商:TEMIC 制造商全稱:TEMIC Semiconductors 功能描述:Low-current Superhet Remote Control Receiver |
| U4311B-FS | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:Low-Current Superhet Remote Control Receiver |
| U4311B-M | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Consumer IC |
| U4311B-MFL | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Consumer IC |
| U4311B-MFSG3 | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:Low-Current Superhet Remote Control Receiver |
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