EFR32MG13 Mighty Gecko Multi-Protocol Wireless SoC Family Data Sheet
Electrical Specifications
4.1.9.11 RF Transmitter Characteristics for 802.15.4 DSSS-OQPSK in the 2.4 GHz 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 2.45 GHz. Maximum duty cycle
of 66%.
Table 4.22. RF Transmitter Characteristics for 802.15.4 DSSS-OQPSK in the 2.4 GHz Band
Parameter
Symbol
Test Condition
Min
Typ
Max
Unit
Error vector magnitude (off- EVM
set EVM), per 802.15.4-2011
Average across frequency. Signal
is DSSS-OQPSK reference pack-
et1
—
3.8
—
% rms
Power spectral density limit
PSDLIMIT
Relative, at carrier ± 3.5 MHz, out-
put power at POUTMAX
—
—
-26
-36
—
—
dBc/
100kHz
Absolute, at carrier ± 3.5 MHz,
dBm/
100kHz
2
output power at POUTMAX
Per FCC part 15.247, output pow-
er at POUTMAX
—
-4.0
—
dBm/
3kHz
ETSI
—
—
12.1
2.25
—
—
dBm
MHz
Occupied channel bandwidth OCPETSI328
per ETSI EN300.328
99% BW at highest and lowest
channels in band
Spurious emissions of har-
monics in restricted bands
per FCC Part 15.205/15.209,
Emissions taken at
POUTMAX, PAVDD connec-
ted to external 3.3 V supply,
Test Frequency is 2450 MHz
SPURHRM_FCC_ Continuous transmission of modu-
—
—
-45.8
—
—
dBm
lated carrier
R
Spurious emissions of har-
monics in non-restricted
bands per FCC Part
SPURHRM_FCC_ Continuous transmission of modu-
-26
dBc
lated carrier
NRR
15.247/15.35, Emissions tak-
en at POUTMAX, PAVDD
connected to external 3.3 V
supply, Test Frequency is
2450 MHz
Spurious emissions out-of-
band (above 2.483 GHz or
below 2.4 GHz) in restricted
bands, per FCC part
15.205/15.209, Emissions
taken at POUTMAX, PAVDD
connected to external 3.3 V
supply, Test Frequency =
2450 MHz
SPUROOB_FCC_ Restricted bands 30-88 MHz; con-
—
—
—
—
-61
-58
-55
-47
—
—
—
—
dBm
dBm
dBm
dBm
tinuous transmission of modulated
R
carrier
Restricted bands 88-216 MHz;
continuous transmission of modu-
lated carrier
Restricted bands 216-960 MHz;
continuous transmission of modu-
lated carrier
Restricted bands >960 MHz; con-
tinuous transmission of modulated
carrier3 4
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