RRF1-XXX-Y Datasheet, PDF (1/2 Pages) List of Unclassifed Manufacturers – FSK Superhet Receiver

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Superheterodyne Receiver
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 C: 9.6Kbps
Applications
• Wireless security systems
• Car Alarm systems
• Remote gate controls
• Sensor reporting
BLOCK DIAGRAM
In
pre-Amp
Filter
V_CC
MIXER
V_CC
IF
Filter
FM
Demodulator
Comparator
OUT
GND
Local
Oscillator
GND
GND