
4.1.8 2.4 GHz RF Transceiver Characteristics
4.1.8.1 RF Transmitter General Characteristics for the 2.4 GHz Band
Unless otherwise indicated, typical conditions are: T
OP
= 25 °C,VDD = 3.3 V, DC-DC on. Crystal frequency = 38.4 MHz. RF center
frequency 2.45 GHz. Conducted measurement from the antenna feedpoint.
Table 4.11. RF Transmitter General Characteristics for 2.4 GHz Band
Parameter
Symbol
Test Condition
Min
Typ
Max
Unit
Maximum TX power
POUT
MAX
—
+8
—
dBm
Minimum active TX Power
POUT
MIN
CW
-26
—
dBm
Output power step size
POUT
STEP
-5 dBm < Output power < 0 dBm
—
1
—
dB
0 dBm < output power <
POUT
MAX
—
0.5
—
dB
Output power variation vs
supply at POUT
MAX
POUT
VAR_V
2.4 V < V
VREGVDD
< 3.3 V using
DC-DC converter
—
2.2
—
dB
Output power variation vs
temperature at POUT
MAX
POUT
VAR_T
From -40 to +85 °C, PAVDD con-
nected to DC-DC output
—
1.5
—
dB
Output power variation vs RF
frequency at POUT
MAX
POUT
VAR_F
Over RF tuning frequency range
—
0.4
—
dB
RF tuning frequency range
F
RANGE
2400
—
2483.5
MHz
4.1.8.2 RF Receiver General Characteristics for the 2.4 GHz Band
Unless otherwise indicated, typical conditions are: T
OP
= 25 °C,VDD = 3.3 V, DC-DC on. Crystal frequency =38.4 MHz. RF center fre-
quency 2.440 GHz. Conducted measurement from the antenna feedpoint.
Table 4.12. RF Receiver General Characteristics for 2.4 GHz Band
Parameter
Symbol
Test Condition
Min
Typ
Max
Unit
RF tuning frequency range
F
RANGE
2400
—
2483.5
MHz
Receive mode maximum
spurious emission
SPUR
RX
30 MHz to 1 GHz
—
-57
—
dBm
1 GHz to 12 GHz
—
-47
—
dBm
Max spurious emissions dur-
ing active receive mode, per
FCC Part 15.109(a)
SPUR
RX_FCC
216 MHz to 960 MHz, Conducted
Measurement
—
-55.2
—
dBm
Above 960 MHz, Conducted
Measurement
—
-47.2
—
dBm
Level above which
RFSENSE will trigger
RFSENSE
TRIG
CW at 2.45 GHz
—
-24
—
dBm
Level below which
RFSENSE will not trigger
RFSENSE
THRES
—
-50
—
dBm
Note:
1. RFSENSE performance is only valid from 0 to 85 °C. RFSENSE should be disabled outside this temperature range.
BGM11S Blue Gecko
Bluetooth
®
SiP Module Data Sheet
Electrical Specifications
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