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