868.35MHz FSK RF Receiver Module
RWS-F868
868.35MHz
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Absolute Maximum Rating

Rating Value Unit
Power Supply and All Input/Output Pins -0.3 to +4.0 V
Non-Operating Case Temperature -10 to +70 ℃
Soldering Temperature (10 seconds) 230 ℃

Electrical Characteristic, 19.2 Kbps On-Off Keyed, High-Sensitivity RX Mode

Characteristic Sym Note Min Type Max Unit
Operating Frequency fO 868.35 914.20 MHz
Modulation Type OOK
Data Rate 2.4 Kbps
Input Current, 3.6 Vdc Supply Input Signal for 10 BER, 25 C Rejection, 30 MHz Sleep to Receive Switch Time (100 ms sleep, -85 dBm signal) IR 1.8 mA
1 -98dBm
RREJ 55 dBm
tSR 3 200 u s
Sleep Mode Current IS 5 uA
Power Supply Voltage Range VCC 2.7 3.5 Vdc
Operating Ambient Temperature TA -10 +70 ℃

Electrical Characteristic, 115.2 Kbps Amplitude-Shift Keyed, High-Sensitivity RX Mode

Characteristic Sym Note Min Type Max Unit
Operating Frequency fO 868.35 914.20 MHz
Modulation Type OOK
Data Rate 2.4 Kbps
Receiver Performance (OOK @ 2.4 Kbps)
Input Current, 3 Vdc Supply IR 1.8 mA
Input Signal for 10 BER, 25 C 1 +98 dBm
Rejection, 30 MHz RREJ 55 dB
Sleep to Receive Switch Time (100 ms
sleep, -85 dBm signal) 		IR 1.8 mA
1 -98dBm
RREJ 55 dBm
tSR 3 200 u s
Sleep Mode Current IS 5 uA
Power Supply Voltage Range VCC 2.7 3.5 Vdc
Operating Ambient Temperature TA -10 +70 ℃

Receiver Set-Up, 3.0 Vdc, -10 to +70

Item Symbol OOK OOK ASK Unit Notes
Nominal NRZ Data Rate DRNOM 2.4 19.2 115.2 Kbps see pages 1 &2
Minimum Signal Pulse SPMIN 416.67 52.08 8.68 u s single bit
Maximum Signal Pulse SPMAX 1666.68 208.32 34.72 us 4 bits of same value
AGCCAP Capacitor CAGC - - 2200 pF 10% ceramic
PKDET Capacitor CPKD - - 0.001 u F 10% ceramic
BBOUT Capacitor CBBO 0.1 0.015 0.0027 u F 10% ceramic
LPFADJ Resistor RLPF 240 30 12 K 5%
RREF Resistor RREF 100 100 100 K 1%
THLD2 Resistor RTH2 - - 100 K 1%, for 6 dB below
peak
THLD1 Resistor RTH1 10 27 100 K 1%, typical values
PRATE Resistor RPR 1100 330 160 K 5%
PWIDTH Resistor RPW 270 to GND 270 to GND 1000 to VCC K 5%
DC Bypass Capacitor CDCB 10 10 10 F tantalum
RF Bypass Capacitor 1 CRFB1 27 27 27 pF 5% NPO
Antenna Tuning Inductor LAT 10 10 10 nH 50 ohm antenna
Shunt Tuning/ESD Indutor LESD 100 100 100 nH 50 ohm antenna

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868.35MHz FSK RF Receiver Module
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