Superheterodyne Receiver
telecontrolli
RRF1-XXX-Y
FSK Superhet Receiver
General description
The RRF1-XXX is an FSK superhet data receiver
with pre-Amplifier front end filter.
IF Frequency: 1 MHz
Typical sensitivity: -90 dBm
Supply current: 5.5 mA (typ)
Up to 250 meters range with RTF2-XXX transmitter.
I-ETS 300-220 Compliance
XXX:
custom-specified working frequency
(315, 418, 433.92 MHz)
Y:
Bit rate specification
A: 2.4Kbps B: 4.8Kbps
Applications
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C: 9.6Kbps
Wireless security systems
Car Alarm systems
Remote gate controls
Sensor reporting
BLOCK DIAGRAM
V
CC
In
pre-Amp
Filter
MIXER
IF
Filter
FM
Demodulator
V
CC
Comparator
OUT
GND
Local
Oscillator
GND
GND
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