EFR32FG12P432F Datasheet, PDF (66/183 Pages) Silicon Laboratories – EFR32FG12 Flex Gecko Proprietary Protocol SoC Family Data Sheet

EFR32FG12 Flex Gecko Proprietary Protocol SoC Family Data Sheet
Electrical Specifications
4.1.10.9 Sub-GHz RF Transmitter characteristics for 315 MHz Band
Unless otherwise indicated, typical conditions are: T = 25 °C, VREGVDD = AVDD = IOVDD = 3.3 V, DVDD = RFVDD = PAVDD.
RFVDD and PAVDD path is filtered using ferrites. Crystal frequency=38.4 MHz. RF center frequency 315 MHz.
Table 4.28. Sub-GHz RF Transmitter characteristics for 315 MHz Band
Parameter
Symbol
Test Condition
Min
Typ
Max
Unit
RF tuning frequency range F_RANGE
195
—
358
MHz
Maximum TX Power¹
POUT_MAX
PAVDD connected to DC-DC out-
13.8
put
17.2
21.1
dBm
Minimum active TX Power POUT_MIN
-43.9
—
dBm
Output power step size
POUT_STEP
output power > 0 dBm
—
0.5
—
dB
Output power variation vs
supply
POUT_{VAR_V}
1.8 V < V_VREGVDD < 3.3 V,
PAVDD = DC-DC output
—
1.8
—
dB
Output power variation vs
temperature
POUT_{VAR_T}
—
0.5
1.2
dB
Output power variation vs RF POUT_{VAR_F}
frequency
—
0.1
0.7
dB
Spurious emissions of har- SPUR_{HARM_FCC} In restricted bands, per FCC Part
—
monics at 14 dBm output
15.205 / 15.209
power, Conducted measure-
ment, 14dBm match, PAVDD
connected to DC-DC output,
In non-restricted bands, per FCC
—
Part 15.231
Test Frequency = 315 MHz
-47
-42
dBm
-26
-20
dBc
Spurious emissions out-of- SPUR_{OOB_FCC} In non-restricted bands, per FCC
—
band at 14 dBm output pow-
Part 15.231
er, Conducted measurement,
14dBm match, PAVDD con-
nected to DC-DC output,
In restricted bands (30-88 MHz),
—
per FCC Part 15.205 / 15.209
Test Frequency = 315 MHz
In restricted bands (88-216 MHz),
—
per FCC Part 15.205 / 15.209
-26
-20
dBc
-52
-46
dBm
-61
-56
dBm
In restricted bands (216-960
MHz), per FCC Part 15.205 /
15.209
—
-58
-52
dBm
In restricted bands (>960 MHz),
—
per FCC Part 15.205 / 15.209
-47
-42
dBm
Note:
1. Supported transmit power levels are determined by the ordering part number (OPN). Transmit power ratings for all devices cov-
ered in this datasheet can be found in the Max TX Power column of the Ordering Information Table. .
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