27MHz RF Transceiver W55RF027 Target Specifications of W55RF027: * Frequency Band: * Channel Number: * Operating Center Frequency: * Crystal Source: * Modulation Scheme: * Modulation Duty Cycle: * Transmission Data Rate: * Output Power: * Receiver Sensitivity: 26.96 to 27.28 MHz 1 channel Selectable by external reference crystal frequency 27.00 ~ 27.25 MHz fundamental type; 100ppm; CL=16pf Recommend Frequency: 27.00MHz and 27.205MHz On-Off Keyed (OOK) 20% ~ 80% up to 5Kbps -15/+5 dBm: 2 step selectable with die bonding option -90 dBm (typical) @ BER < 10-5 (assume: 20-meter open-field, 15dB antenna loss, 15dB fading margin) * Power Supply Voltage Range: * Internal Regulator Operation Voltage: * Current Consumption: 3.0V to 5.5 VDC 2.8 V TX mode: 15mA RX mode: 5 mA (typical) Standby mode: 5 A * Switching Time: * Oscillator Turn-on Time: * AGC Attack/Decay time: * Operating Mode: * Interface Voltage Level: * Antenna Port Impedance: * Operating Temperature: * Package: * Reference design PC board Size: * Spurious Emission: * Minimize External Component: RX to TX: 1 msec (typical) TX to RX: 1 msec (typical) 3 msec (typical) 10:1 Two-way half duplex Direct CMOS logic interface to base-band chip 50 (with matched), internally AC-coupled 0 ~ 60 C COB 20x20mm^2 FCC part 15 class B and 15.227 / ETSI 300 220-1 compliance Inductor & capacitor only -1- Publication Release Date: January 19, 2001 Revision 0.9
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