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| 型號： | U4313B |
| 英文描述： | Low-Current Superhet Remote Control Receiver |
| 中文描述： | 低電流超外差遙控接收器 |
| 文件頁數(shù)： | 1/14頁 |
| 文件大小： | 167K |
| 代理商： | U4313B |
TELEFUNKEN Semiconductors
U4313B
Rev. A1: 23.06.1995
1 (14)
Low-Current Superhet Remote Control Receiver
Description
The U4313B 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 telecontrol remote indication systems.
Especially for automotive applications it supports a
superhet design with less than 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 the stand-by mode due to wake-up concept
Wide power supply voltage range 3 to 13 V
Sensitive IF-amplifier for 10.7 MHz operating
frequency
Logarithmic AM demodulator
FM demodulator
Monoflop exit to wake up a microcontroller
High performance operational amplifier to realize
a data recovering filter
Inverting clamping comparator with amplitude-
depending hysteresis for data regeneration
Block Diagram
Inveting
clamping
comparator
Monoflop
Bandgap
Quadrature
detector
Operational
amplifier
IF
amplifier
Internal
V
Ref
= 2.4 V
RF
Level
Wake up
10
3
Wake up out
7
6
V
S
2
5
+
–
16
1
14
12
8
Data out
Data
filter
FM out
log AM out
10.7 MHz
10.7 MHz
13
11
V
Ref
= 2.4V
4
95 10213
9
Figure 1. Block diagram
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| U4313B-A | 制造商:TEMIC 制造商全稱:TEMIC Semiconductors 功能描述:Low-Current Superhet Remote Control Receiver |
| U4313B-AFL | 制造商:TEMIC 制造商全稱:TEMIC Semiconductors 功能描述:Low-Current Superhet Remote Control Receiver |
| U4314 | 制造商:APEM 功能描述: |
| U4314B | 制造商:TEMIC 制造商全稱:TEMIC Semiconductors 功能描述:Logarithmic AM Demodulator/RSSI |
| U4314B-AFP | 制造商:TEMIC 制造商全稱:TEMIC Semiconductors 功能描述:Logarithmic AM Demodulator/RSSI |
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