RFM64B Datasheet, PDF (9/75 Pages) List of Unclassifed Manufacturers – ISM TRANSCEIVER MODULE

RFM 64B
ADVANCED COMMUNICATIONS & SENSING
2.4.2. Frequency Synthesis
Table 6: Frequency Synthesizer Specification
Symbol
FR
BR_F
BR_O
FDA
XTAL
FSTEP
TS_OSC
TS_FS
Description
Conditions
Min
Frequency ranges
433MHz module
432
Bit rate (FSK)
NRZ
0.78
Bit rate (OOK)
NRZ
0.78
Frequency deviation (FSK)
33
Crystal oscillator frequency For All Module
Frequency synthesizer
step
Variable, depending on the
frequency.
-
Oscillator wake-up time
From Sleep mode⁽¹⁾
-
Frequency synthesizer
wake-up time at most
10 kHz away from the
From Stby mode
-
target
200 kHz step
-
Typ
-
-
50
12.8
2
1.5
500
180
Max Unit
436 MHz
150 Kb/s
32
Kb/s
200 kHz
MHz
-
kHz
5
ms
800 µs
-
µs
1 MHz step
-
200
-
µs
TS_HOP
Frequency synthesizer hop
time at most 10 kHz away
from the target
5 MHz step
7 MHz step
12 MHz step
-
250
-
µs
-
260
-
µs
-
290
-
µs
20 MHz step
-
320
-
µs
27 MHz step
-
340
-
µs
(1) _{Guaranteed by design and characterization}
2.4.3. Transmitter
Table 7: Transmitter Specification
Symbol
Description
Conditions
Min
Typ
Max Unit
RFOP
RF output power,
Maximum power setting
programmable with 8 steps
of typ. 3dB
Minimum power setting
-
+12
-
-8
-
dBm
-
dBm
Measured with a 600 kHz
PN
Phase noise
offset, at the transmitter
-
-112
-
dBc/Hz
output.
At any offset between
SPT
Transmitted spurious
200 kHz and 600 kHz,
unmodulated carrier, Fdev
-
-
-47
dBc
= 50 kHz.
TS_TR⁽¹⁾
Transmitter wake-up time From FS to Tx ready.
-
120
500 µs
TS_TR2⁽¹⁾
Transmitter wake-up time From Stby to Tx ready.
(1) _{Guaranteed by design and characterization}
-
600
900 µs
Page 9 of 75
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