User's Manual

User Manual
Version 01.01
2011-12-22
Radio modules deRFarm7
dresden elektronik
ingenieurtechnik gmbh
Enno-Heidebroek-Str. 12
01237 Dresden / Germany
Tel.: +49 351 31 85 00
Fax: +49 351 3 18 50 10
wireless@dresden-elektronik.de
www.dresden-elektronik.de
I_Idle (Txoff, MCK = 48MHz)
38
mA
I_Sleep
(depends on Sleep Mode)
250
µA
deRFarm7-25A00 / 25A02 / 25C00 / 25C02
Parameter
Min
Typ
Max
Unit
Supply Voltage
VCC
3.0
3.3
3.6
VDC
Current
consumption
I_TXon (TX_PWR = +3 dBm)
38
mA
I_TXon (TX_PWR = +1 dBm)
37
mA
I_TXon (TX_PWR = -17 dBm)
32
mA
I_RXon
36
mA
I_Idle (Txoff, MCK = 12MHz)
21
mA
I_Idle (Txoff, MCK = 48MHz)
38
mA
I_Sleep
(depends on Sleep Mode)
250
µA
Table 4: Radio transmission data
Radio (Vcc = 3.3VDC)
deRFarm7-15A02 / 15C02
Parameter
Value
Unit
Frequency range
Channel 0 (EU)
868.3
MHz
Frequency range
Channel 1…10 (US)
906…924
MHz
Parameter
Min
Typ
Max
Unit
Transmitting
power conducted
Channel 0; 20kBit/sec
TX_PWR = +5dBm
5.0
dBm
Transmitting
power conducted
Channel 1…10; 40kBit/sec
TX_PWR = +10dBm
8.5
dBm
deRFarm7-25A00 / 25A02 / 25C00 / 25C02
Parameter
Value
Unit
Frequency range
Channel 11…26 (EU)
2405…2480
MHz
Parameter
Min
Typ
Max
Unit
Transmitting
power conducted
Channel 11…26; 250kBit/sec
TX_PWR = +3dBm
3.0
dBm