RFM31B Datasheet, PDF (5/57 Pages) List of Unclassifed Manufacturers – ISM RECEIVER

RFM31B
Table 2. Synthesizer AC Electrical Characteristics
Parameter
Synthesizer Frequency
Range
Symbol
F_SYN
Conditions
433MHz band
868MHz band
915MHz band
Min Typ Max Units
413
453 MHz
848
888 MHz
901
929 MHz
Synthesizer Frequency
Resolution
Reference Frequency
Input Level
Synthesizer Settling Time
Residual FM
Phase Noise
F_RES-LB
F_RES-HB
f_{REF_LV}
t_LOCK
F_RMS
L(f_M)
433MHz Band
868/915MHz Band
When using external reference signal
driving XOUT pin, instead of using
crystal. Measured peak-to-peak (V_PP)
Measured from exiting Ready mode with
XOSC running to any frequency.
Including VCO calibration.
Integrated over 250 kHz bandwidth
(500 Hz lower bound of integration)
F = 10 kHz
F = 100 kHz
F = 1 MHz
F = 10 MHz
— 156.25
— 312.5
0.7 —
— 200
—
2
— –80
— –90
— –115
— –130
— Hz
— Hz
1.6
V
— µs
4 kHz_RMS
— dBc/Hz
— dBc/Hz
— dBc/Hz
— dBc/Hz
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