CC256X Datasheet, PDF (33/51 Pages) Texas Instruments – Bluetooth® Smart Ready Controller

CC256x
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4.2.3 Bluetooth Transmitter—GFSK
SWRS121C – JULY 2012 – REVISED OCTOBER 2013
Characteristics
Min
Maximum RF output power⁽¹⁾
10
Power variation over Bluetooth band
–1
Gain control range
Power control step
2
Adjacent channel power |M–N| = 2
Adjacent channel power |M–N| > 2
(1) To modify maximum output power, use an HCI VS command.
4.2.4 Bluetooth Transmitter—EDR
Typ
Max
12
1
30
5
8
–45
–39
–50
–42
Bluetooth
Specification
2 to 8
≤ –20
≤ –40
Unit
dBm
dB
dB
dBm
Characteristics
Maximum RF output
power ⁽¹⁾
Pi/4-DQPSK
8DPSK
Relative power
Power variation over Bluetooth band
Gain control range
Power control step
Adjacent channel power |M–N| = 1
Adjacent channel power |M–N| = 2 ⁽²⁾
Adjacent channel power |M–N| > 2 ⁽²⁾
(1) To modify maximum output power, use an HCI VS command.
(2) Assumes 3-dB insertion loss from Bluetooth RF ball to antenna
4.2.5 Bluetooth Modulation—GFSK
Min Typ Max Bluetooth Unit
Specification
6
8
6
8
dBm
–2
1
–4 to +1
–1
1
dB
30
2
5
8
2 to 8
–36 –30
≤ –26
dBc
–30 –23
≤ –20
dBm
–42 –40
≤ –40
dBm
Characteristics
–20 dB bandwidth
Modulation characteristics
Absolute carrier frequency drift
Drift rate
Initial carrier frequency tolerance
Condition
GFSK
Δf1avg
Δf2max ≥ limit for at
least 99.9% of all
Δf2max
Δf2avg, Δf1avg
DH1
DH3 and DH5
Mod data = 4 1s, 4
0s:
111100001111...
Mod data =
1010101...
f0 – fTX
Sym Min Typ Max Bluetooth Unit
Specificat
ion
925 995 ≤ 1000
kHz
F1 avg 150 165 170 140 to 175
kHz
F2 max 115 130
> 115
kHz
85 88
–25
25
–35
35
15
–75
75
> 80
< ±25
< ±40
< 20
< ±75
%
kHz
kHz/
50 μs
kHz
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Device Specifications
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