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