Geaneral Description:
The RXB2 is a miniature receiver module that receives On-off keyed ( OOK ) modulation signal and demodulated to digital signal for the next decoder stage. The Receiver offers a high level of integration and needs only a few external components. The device containsa low noise amplifier (LNA), a double balanced mixer, a fully integrated VCO, a PLL synthesiser, a crystal oscillator, a limiter with RSSI generator, a data filter, a data comparator (slicer) and a peak detector. Additionally there is a power down feature to save battery life.The result is excellent performance in a simple-to-use ,with a low external component count. The RXB2 is designed specifically for remote-control and wireless security receiver operating at 315Mhz in the USA under FCC Part 15 regulation.
Features:
Low supply current (I s = 4.6mA typ.)
Supply voltage range 5V ±10%
Power down mode with very low supply current (50nA typ)
Fully integrated VCO and PLL Synthesiser
RF input sensitivity < -110dBm
Frequency ranges 315/433/868 MHz
Selectable reference frequency
Limiter with RSSI generation, operating at 10.7MHz
2nd order low pass data filter with external capacitors
Data Slicer with self-adjusting threshold
Data Rates to 4kbps(swp),10kbps(fixed)
Over specified temperature range (- 40 to +85°C)
APPLICATION:
• Car Alarm System
• Tyre Pressure Monitoring System
• Low Bit Rate Communication System
• Remote Control System
• Home Automotive System