EFR32MG13 Mighty Gecko Multi-Protocol Wireless SoC Family Data Sheet
Electrical Specifications
4.1.10.5 Sub-GHz RF Transmitter characteristics for 490 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 490 MHz.
Table 4.28. Sub-GHz RF Transmitter characteristics for 490 MHz Band
Parameter
Symbol
FRANGE
Test Condition
Min
470
18.1
Typ
—
Max
510
Unit
MHz
dBm
RF tuning frequency range
Maximum TX Power1
POUTMAX
External PA supply = 3.3V
20.3
23.7
Minimum active TX Power
Output power step size
POUTMIN
-44.9
0.5
—
—
—
dBm
dB
POUTSTEP
POUTVAR_V
output power > 0 dBm
—
—
Output power variation vs
supply, peak to peak
at 20 dBm;1.8 V < VVREGVDD
<
4.3
dB
3.3 V, External PA supply connec-
ted directly to external supply, T =
25 °C
Output power variation vs
temperature, peak to peak
POUTVAR_T
-40 to +85 °C at 20 dBm
-40 to +125 °C at 20 dBm
T = 25 °C
—
—
—
0.2
0.3
0.2
0.9
1.3
0.4
dB
dB
dB
Output power variation vs RF POUTVAR_F
frequency
Harmonic emissions, 20
dBm output power setting,
490 MHz
SPURHARM_CN Per China SRW Requirement,
Section 2.1, frequencies below
1GHz
—
—
—
-40
-36
-54
-36
-30
—
dBm
dBm
dBm
Per China SRW Requirement,
Section 2.1, frequencies above
1GHz
Spurious emissions, 20 dBm SPUROOB_CN
output power setting, 490
MHz
Per China SRW Requirement,
Section 3 (48.5-72.5MHz,
76-108MHz, 167-223MHz,
470-556MHz, and 606-798MHz)
Per China SRW Requirement,
Section 2.1 (other frequencies be-
low 1GHz)
—
—
-42
-36
—
—
dBm
dBm
Per China SRW Requirement,
Section 2.1 (frequencies above
1GHz)
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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