EFR32MG13 Mighty Gecko Multi-Protocol Wireless SoC Family Data Sheet
Electrical Specifications
4.1.10.7 Sub-GHz RF Transmitter characteristics for 433 MHz Band
Unless otherwise indicated, typical conditions are: T = 25 °C, VREGVDD = AVDD = IOVDD = 3.3 V, DVDD = RFVDD = External PA
Supply. RFVDD and external PA supply paths filtered using ferrites. Crystal frequency = 38.4 MHz. RF center frequency 433 MHz.
Table 4.30. Sub-GHz RF Transmitter characteristics for 433 MHz Band
Parameter
Symbol
FRANGE
Test Condition
Min
426
12.5
Typ
—
Max
445
Unit
MHz
dBm
RF tuning frequency range
Maximum TX Power1
POUTMAX
External PA supply connected to
DC-DC output, 14dBm output
power
15.1
17.4
External PA supply connected to
DC-DC output, 10dBm output
power
8.3
10.6
13.3
dBm
Minimum active TX Power
Output power step size
POUTMIN
—
—
—
-42
0.5
1.7
—
—
—
dBm
dB
POUTSTEP
POUTVAR_V
output power > 0 dBm
Output power variation vs
supply, peak to peak, Pout =
10dBm
At 10 dBm;1.8 V < VVREGVDD
3.3 V, External PA supply = DC-
DC output, T = 25 °C
<
dB
Output power variation vs
temperature, peak to peak,
Pout= 10dBm
POUTVAR_T
-40 to +85C at 10dBm
-40 to +125C at 10dBm
—
—
0.5
0.7
1.2
1.7
dB
dB
Output power variation vs RF POUTVAR_F
frequency, Pout = 10dBm
T = 25 °C
—
—
—
0.1
-47
-26
0.2
-42
-20
dB
Spurious emissions of har-
monics FCC, Conducted
measurement, 14dBm
SPURHARM_FCC In restricted bands, per FCC Part
15.205 / 15.209
dBm
dBc
In non-restricted bands, per FCC
Part 15.231
match, External PA supply
connected to DC-DC output,
Test Frequency = 434 MHz
Spurious emissions out-of-
band FCC, Conducted
measurement, 14dBm
match, External PA supply
connected to DC-DC output,
Test Frequency = 434 MHz
SPUROOB_FCC
In non-restricted bands, per FCC
Part 15.231
—
—
—
—
-26
-52
-61
-58
-20
-46
-56
-52
dBc
dBm
dBm
dBm
In restricted bands (30-88 MHz),
per FCC Part 15.205 / 15.209
In restricted bands (88-216 MHz),
per FCC Part 15.205 / 15.209
In restricted bands (216-960
MHz), per FCC Part 15.205 /
15.209
In restricted bands (>960 MHz),
per FCC Part 15.205 / 15.209
—
—
—
-47
-42
-36
-42
-36
-30
dBm
dBm
dBm
Spurious emissions of har-
monics ETSI, Conducted
measurement, 14dBm
match, External PA supply
connected to DC-DC output,
Test Frequency = 434 MHz
SPURHARM_ETSI Per ETSI EN 300-220, Section
7.8.2.1 (frequencies below 1Ghz)
Per ETSI EN 300-220, Section
7.8.2.1 (frequencies above 1Ghz)
silabs.com | Building a more connected world.
Rev. 1.4 | 72
SILICON [ SILICON ]
