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DEVELOPMENT KIT
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Designed for Short-Range Wireless Data Communications
Supports RF Data Transmission Rates Up to 115.2 kbps
3 V, Low Current Operation plus Sleep Mode
Up to 10 mW Transmitter Power under FCC 15.247 Regulations
Digital Spread Spectrum Output
DR8100
916.50 MHz
The DR8100 hybrid transceiver module is ideal for short-range wireless data applications where robust
operation, small size, low power consumption and low cost are required. The DR8100 utilizes RFM’s TR8100
amplifier-sequenced hybrid (ASH) architecture to achieve this unique blend of characteristics. All critical RF
functions are contained in the hybrid, simplifying and speeding design-in. The receiver section of the DR8100
is sensitive and stable. A wide dynamic range log detector, in combination with digital AGC and a compound
data slicer, provide robust performance in the presence of on-channel interference or noise. Two stages of
SAW filtering provide excellent receiver out-of-band rejection. The transmitter uses an internal “digital
modulation” BPSK spreading code, with data carried by either OOK or ASK modulation. The transmitter
employs SAW filtering to suppress output harmonics, facilitating compliance with FCC 15.247 regulations.
Absolute Maximum Ratings
Transceiver
Module
Rating
Power Supply and All Input/Output Pins
Non-Operating Case Temperature
Soldering Temperature (10 seconds, 5 cycles maximum)
Electrical Characteristics
Value
-0.3 to +4.0
-50 to +100
260
Units
V
°C
°C
Characteristic
Operating Frequency
Sym
f o
Notes
Minimum
916.30
Typical
Maximum
916.70
Units
MHz
Digital Modulation Spreading Code
Data Modulation Type
BPSK
OOK/ASK
OOK Data Rate
ASK Data Rate
Receiver Performance (OOK @ 4.8kbps)
Sensitivity, 4.8 kbps, 10-3 BER, AM Test Method
Input Current, 4.8 kbps, 3.0V Supply
Sensitivity, 19.2 kbps, 10-3 BER, AM Test Method
Input Current, 19.2 kbps, 3.0V Supply
Transmitter Performance (OOK @ 4.8kbps)
-108
4.2
-104
4.25
30
115.2
kb/s
kb/s
dBm
mA
dBm
mA
Peak RF Output Power, 315 μA TXMOD Current
Peak Current, 315 μA TXMOD Current
OOK Turn On/Turn Off Times
ASK Output Rise/Fall Times
P OL
I TPL
t ON /t OFF
t TR /t TF
10
32
12/6
1.1/1.1
dBm
mA
μs
μs
Power Supply Voltage Range (including I/O)
Operating Ambient Temperature
Power Supply Voltage Ripple
Vcc
T A
2.5
-40
3.6
+85
10
Vdc
°C
mVp-p
www.RFM.com E-mail: info@rfm.com
?2008 by RF Monolithics, Inc.
Page 1 of 7
DR8100 - 4/8/08
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