ETC RRS2-433

Superheterodyne Receiver
telecontrolli
RRS2-XXX
AM Superhet Receiver
General description
The RRS2-XXX is an AM superhet data receiver with
LC Front End Filter.
IF Frequency: 500KHz
Typical sensitivity: -102dBm (1.8uVrms)
Supply current: 3.7 mA (typ)
Applications
XXX: custom-specified working frequency
(315, 418, 433.92 MHz)
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•
•
•
Wireless security systems
Car Alarm systems
Remote gate controls
Sensor reporting
BLOCK DIAGRAM
VCC
VCC
In
LC
Filter
GND
MIXER
Local
Oscillator
IF
Filter
AM
Demodulator
GND
Comparator
OUT
GND
Electrical Characteristics
Ta = 25°C unless otherwise specified
CHARACTERISTICS
VCC
Supply Voltage
IS
Supply Current
FR
Receiver Frequency
FIF
IF Frequency
MIN
TYP
MAX
UNIT
4.5
5
5.5
VDC
3.7
5
mA
315/418/433.92
MHz
500
KHz
Max Data Rate
3
KHz
RF Sensitivity (100% AM)*
-102
dBm
Level of Emitted Spectrum
-50
dBm
V
Vol
Low-Level Output Voltage
Voh
High-Level Output Voltage (I=10uA)
TOP
Operating Temperature Range
(I=-200uA)
0.6
VCC- 0.5
V
-25
+80
°C
* Best Performances are obtained utilizing a transmitted coding with a DC average value indipendent of the data content (BiPhase Manchester coding)
Pin Description
1
IN
5
GND
9
GND
10
VCC
12
OUT
Mechanical Dimensions
30.48mm
Components Side
1
5
9 10
20.32mm
12
1mm
2.54mm
TYPICAL APPLICATION
DECODER
RRS2-XXX
AERIAL
1
5
9 10
IN
12
+5V
telecontrolli
HEAD OFFICE & PLANT
Via Naz. delle Puglie 177
80026 Casoria (NA), Italy
Tel: +39 081 7599033
Fax: +39 081 7596494
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