RFM23 Datasheet, PDF (7/152 Pages) –

RFM23
Table 4. Transmitter AC Electrical Characteristics¹
Parameter
TX Frequency Range¹
FSK Modulation Data Rate²
OOK Modulation Data
Rate²
Modulation Deviation¹
Modulation Deviation
Resolution
Output Power Range¹
Symbol
FSYNTH-LB
FSYNTH-HB
DRFSK
DROOK
Δf
ΔfRES
PTX
Conditions
Low Band
High Band
Min Typ Max Units
240
— 480 MHz
480
— 930 MHz
1
— 128 kbps
1.2
—
40 kbps
Production tests maximum
limit of 320 kHz
±0.625
±320 kHz
— 0.625 — kHz
Power control by txpow[2:0] Register
Production test at txpow[2:0] = 111
–8
Tested at 915 MHz
— +13 dBm
Max Output Power
PTX_max
Tested at 315-915 MHz
+11 +13 — dBm
TX RF Output Steps²
P △ RF_OUT
controlled by txpow[2:0] Register
—
3
— dB
TX RF Output Level
Variation vs. Voltage²
PRF_V
Measured from VDD=3.6 V to
VDD=1.8 V
—
2
— dB
TX RF Output Level²
P △ RF_TEMP
Variation vs. Temperature
–40 to +85℃
—
2
— dB
TX RF Output Level
Variation vs. Frequency²
P △ RF_FREQ
Measured across any one
frequency band
—
1
— dB
Transmit Modulation
Filtering²
Gaussian Filtering Bandwith Time
B*T
—
0.5 —
Product
Spurious Emissions²
POB-TX1
POUT = 11 dBm,
Frequencies <1 GHz
—
— –54 dBm
POB-TX2 1–12.75 GHz, excluding harmonics
—
— –54 dBm
Notes:
1. All specification guaranteed by production test unless otherwise noted.
2. Guaranteed by qualification.
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