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27MHz RF Transceiver W55RF027
Publication Release Date: January 19, 2001
- 1 -
Revision 0.9
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,
Power Supply Voltage Range:
Internal Regulator Operation Voltage:
Current Consumption:
15dB fading margin)
3.0V to 5.5 VDC
2.8 V
TX mode:
≤
15mA
RX mode: 5 mA (typical)
Standby mode:
≤
5
μ
A
RX to TX: 1 msec (typical)
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:
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