BCM4319 Preliminary Data Sheet
2.4 GHz Band Transmitter RF Specifications
2.4 GHz Band Transmitter RF Specifications
Table 15: 2.4 GHz Band Transmitter RF Specifications
Characteristic
Condition
Min
2400
Typ
Max
2500
Unit
MHz
–
20
19
19
18
18
16
16
RF output frequency range
–
CCK
18.5
17.5
17.5
16.5
16.5
14.5
14.5
21.5
20.5
20.5
19.5
19.5
17.5
17.5
dBm
dBm
dBm
dBm
dBm
dBm
dBm
Tx power at ChipOut for highest power
level setting at 25°C, VBAT = 3.6V and
spectral mask and EVM compliancea b
OFDM BPSK
OFDM QPSK
OFDM 16 QAM
OFDM 64 QAM
MCS0 to MCS7 20 MHz channels
MCS0 to MCS7 40 Mhz
channels
–
–
–
37
27
–
2
–
dB
dBm
dBm
dBr
dBr
dBr
dBr
dBc
dBr
dBr
–
Gain flatness
Maximum gain
Output IP3
Maximum gain
–
–
Output P1dB
–
15
–
–
Carrier suppression
CCK Tx spectrum mask @ max gain
–
–
–30
–30
–50
–26
–35
–40
35%
5%
fc – 22 MHz < f < fc – 11 MHz
fc + 11 MHz < f< fc + 22 MHz
f < fc – 22 MHz; and f > fc + 22 MHz
f < fc – 11 MHz and f > fc + 11 MHz
f < fc – 20 MHz and f > fc + 20 MHz
f < fc – 30 MHz and f > fc + 30 MHz
IEEE 802.11b mode
–
–
–
–
–
–
OFDM Tx spectrum mask
(chip output power = 16 dBm)
–
–
–
–
–
–
Tx modulation accuracy (i.e. EVM) at
maximum gain
–
–
–
IEEE 802.11g mode QAM64 54
Mbps
– 0.25 dB
– dB/step
Gain control step size
Amplitude balancec
Phase balancea
–
–1
–
–
1
dB
°
DC input
–1.5
1.5
DC input
–
–
0.6
–
–
2
Vpp
μsec
μsec
dB
Baseband differential input voltage
Tx power ramp up
Shaped pulse
90% of final power
10% of final power
–
–
–
2
Tx power ramp down
10
–
–
–
Tx power control dynamic range
Closed-loop Tx power variation
–
1.5
dB
Across full temperature and voltage
range. Power accuracy of 1.5 dB
for 10–20 dBm and 3 dB for 5–10
dBm.
15
–
–
–
–
dBc
dB
Carrier suppression
–
–
.25
Gain control step
See next page for additional footnotes.
a. Derate by 1.5 dB for –30°C to –10°C, and 55°C to 85°C.
Broadcom®
April 2, 2014 • 4319-DS05-R
Single-Chip IEEE 802.11™ a/b/g/n MAC/Baseband/Radio
Page 64
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