Datasheet

Table Of Contents
4 Electrical Characteristics
4.9.1 Bluetooth LE RF Transmitter (TX) Specifications
Table 26: Transmitter Characteristics Bluetooth LE 1 Mbps
Parameter Description Min Typ Max Unit
RF transmit power
RF power control range –27.00 0 18.00 dBm
Gain control step 3.00 dB
Carrier frequency offset and drift
Max |f
n
|
n=0, 1, 2, ..k
17.00 kHz
Max |f
0
f
n
| 1.75 kHz
Max |f
n
f
n5
| 1.46 kHz
|f
1
f
0
| 0.80 kHz
Modulation characteristics
f1
avg
250.00 kHz
Min f2
max
(for at least
99.9% of all f2
max
)
190.00 kHz
f2
avg
/ f1
avg
0.83
In-band spurious emissions
± 2 MHz offset –37.62 dBm
± 3 MHz offset –41.95 dBm
> ± 3 MHz offset –44.48 dBm
Table 27: Transmitter Characteristics Bluetooth LE 2 Mbps
Parameter Description Min Typ Max Unit
RF transmit power
RF power control range –27.00 0 18.00 dBm
Gain control step 3.00 dB
Carrier frequency offset and drift
Max |f
n
|
n=0, 1, 2, ..k
20.80 kHz
Max |f
0
f
n
| 1.30 kHz
Max |f
n
f
n5
| 1.33 kHz
|f
1
f
0
| 0.70 kHz
Modulation characteristics
f1
avg
498.00 kHz
Min f2
max
(for at least
99.9% of all f2
max
)
430.00 kHz
f2
avg
/ f1
avg
0.93
In-band spurious emissions
± 4 MHz offset –43.55 dBm
± 5 MHz offset –45.26 dBm
> ± 5 MHz offset –45.26 dBm
Table 28: Transmitter Characteristics Bluetooth LE 125 Kbps
Parameter Description Min Typ Max Unit
RF transmit power
RF power control range –27.00 0 18.00 dBm
Gain control step 3.00 dB
Carrier frequency offset and drift
Max |f
n
|
n=0, 1, 2, ..k
17.50 kHz
Max |f
0
f
n
| 0.45 kHz
|f
n
f
n3
| 0.70 kHz
|f
0
f
3
| 0.30 kHz
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Espressif Systems 37
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