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
• • • •
C: 9.6Kbps
Wireless security systems Car Alarm systems Remote gate controls Sensor reporting
BLOCK DIAGRAM
VCC In pre-Amp Filter MIXER IF Filter FM
Demodulator
VCC
Comparator OUT
GND
Local Oscillator
GND
GND
Electrical Characteristics CHARACTERISTICS
VCC IS Supply Voltage Supply Current RF Sensitivity A version: 2.4 Kbps B version: 4.8 Kbps C version: 9.6 Kbps
Ta = 25°C unless otherwise specified
MIN
3.5
TYP
5 5.5 -94 -90 -87 ±25 ±400 -70
MAX
5.5 6
UNIT
VDC mA dBm KHz KHz
Frequency Deviation Bw Vol Voh TOP -3dB Bandwidth Level of Emitted Spectrum Low-Level Output Voltage (I=-200uA) VCC- 0.5 -25
-65 0.6
dBm V V
High-Level Output Voltage (I=10uA) Operating Temperature Range
+80
°C
Pin Description
1 2 3 7 11 VCC GND IN GND GND 12 13 14 15 NC NC OUT VCC
Mechanical Dimensions
38.1mm
Components Side
12 7 11 15
14.5mm
1mm
2.54mm
TYPICAL APPLICATION
AERIAL
12
RRF1-XXX
7 11 15
DECODER
IN OUT
+5V
telecontrolli
HEAD OFFICE & PLANT
Via Naz. delle Puglie 177 80026 CASORIA (NA), Italy Tel: +39 081 7599033 Fax: +39 081 7596494
