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RFM67W Datasheet, PDF (8/37 Pages) List of Unclassifed Manufacturers – ISM TRANSMITTER MODULE
RFM 67W
2.4. Electrical Specifications
The table below gives the electrical specifications of the transmitter under the following conditions: Supply voltage = 3.3 V,
temperature = 25 °C, fRF = 915 MHz, 2-level FSK modulation without prefiltering, Df = 5 kHz, bit rate = 4.8 kbit/s and output
power = 13 dBm terminated in a matched 50 ohm impedance, unless otherwise specified.
Table 4 Transmitter Specifications
Symbol Description
Conditions
Min
Current Consumption
IDDSL Supply current in sleep mode
-
IDDST Supply current in standby mode Crystal oscillator enabled
-
IDDFS Supply current in synthesiser
-
mode
IDDT
Supply current in transmit mode RF Power o/p = 17 dBm
-
with appropriate external match- RF Power o/p = 13 dBm
-
ing (see Section 7).
RF Power o/p = 10 dBm
-
RF Power o/p = 0 dBm
-
RF and Baseband Specifications
BRF
Bit rate, FSK
Programmable.
1.2
BRO
Bit rate, OOK
Programmable.
1.2
FDA
Frequency deviation, FSK
Programmable
0.6
RFOP RF output power in 50 ohms
Programmable with 1 dB steps.
Max 10
Min -21
PHN
Transmitter phase noise
50 kHz Offset from carrier
-
RFOPH Max RF output power with an
With external match to 50 ohms.
14
external impedance transforma-
tion
ACP
Transmitter adjacent channel
Pre-filter enabled. Measurement
-
power (measured at 25 kHz off- conditions as defined by EN 300
set)
220-1 V2.1.1.
FR
Synthesizer Frequency Range
315MHz Module
290
433MHz Module
431
868MHz Module
862
915MHz Module
890
FSTEP Frequency synthesizer step
FXOSC/219
-
FRC
RC Oscillator frequency range
45
Timing Specifications
TS_FS Frequency synthesizer wake up Crystal oscillator Enabled.
-
time
Typ Max Unit
0.5
1 µA
0.9 1.2 mA
8
- mA
95
- mA
45
- mA
33
40 mA
20
25 mA
-
600 kbps
-
32 kbps
-
300 kHz
13
- dBm
-18
- dBm
-95
- dBc/
Hz
17
- dBm
-
-37 dBm
340
510
890
1020
61
-
65
85
MHz
MHz
MHz
MHz
Hz
kHz
100 150 µs
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