RFRXD0420

rfRXD0420/0920 UHF ASK/FSK/FM Receiver Features: Low cost single conversion superheterodyne receiver architecture Compatible with rfPIC™ and rfHCS series of RF transmitters Easy interface to PICmicro® microcontroller (MCU) and KEELOQ® decoders VCO phase locked to quartz crystal reference: - Narrow receiver bandwidth - Maximizes range and interference immunity Selectable LNA gain control for improved dynamic range Selectable IF bandwidth via external ceramic IF filter Received Signal Strength Indicator (RSSI) for signal strength indication (FSK, FM) and ASK demodulation FSK/FM quadrature (phase coincidence) detector demodulator 32-Lead LQFP package Pin Diagram: LQFP VDD LNAIN VSS LF ENRX VDD XTAL VSS 32 31 30 29 28 27 26 25 VSS LNAGAIN LNAOUT 1IFIN VSS 1IF+ 1IFVDD 1 2 3 4 5 6 7 8 rfRXD0420 rfRXD0920 24 23 22 21 20 19 18 17 DEMOUTDEMOUT+ VSS RSSI OPA+ OPAOPA VDD 16 15 14 13 12 11 10 9 DEMIN 2IFOUT VDD FBC2 FBC1 2IFIN VSS 1IFOUT Applications: Wireless remote command and control Wireless security systems Remote Keyless Entry (RKE) Low power telemetry Low power FM receiver Home automation Remote sensing UHF ASK/FSK Receiver: Single frequency receiver set by crystal frequency Receive frequency range: Device rfRXD0420 rfRXD0920 Frequency Range 300 MHz to 450 MHz 800 MHz to 930 MHz Maximum data rate: - ASK: 80 Kbps NRZ - FSK: 40 Kbps NRZ IF frequency range: 455 kHz to 21.4 MHz RSSI range: 70 dB Frequency deviation range: ±5 kHz to ...