Datasheet
AC ELECTRICAL CHARACTERISTICS—Tx Mode
(MAX2830 EV kit, V
CC_
= 2.8V, V
CCPA
= V
CCTXPA
= 3.3V, T
A
= +25°C, f
RF
= 2.439GHz , f
LO
= 2.437GHz. f
REF
= 40MHz, SHDN =
RXTX = CS = ANTSEL = high, and SCLK = DIN = low, with power matching for the differential RF pins using the typical applications
circuit. 100mV
RMS
sine and cosine signal (or 100mV
RMS
54Mbps IEEE 802.11g I/Q signals wherever OFDM is mentioned) applied to
baseband I/Q inputs of transmitter (differential DC-coupled). Registers set to recommend settings and corresponding test mode,
unless otherwise noted. RF inputs/outputs specifications are referenced to device pins and do not include 1dB loss from EV kit PCB,
balun, and SMA connectors.) (Note 1)
PARAMETER CONDITIONS MIN TYP MAX UNITS
TRANSMIT SECTION: Tx BASEBAND I/Q INPUTS TO RF OUTPUTS
RF Output Frequency Range 2.4 2.5 GHz
54Mbps 802.11g OFDM
signal
Output power adjusted to
meet 5.6%EVM, and
spectral mask
17.1
Output Power
6Mbits, OFDM, I/Q signals
Output power adjusted to
meet spectral mask
20.3
dBm
Gain Control Range B6:B1 = 000000 to 111000 26 dB
Unwanted Sideband Suppression Without I/Q calibration, B6:B1 = 100001 -42 dBc
Carrier Leakage at Center
Frequency of Channel
Without DC offset correction -30 dBc
1/3 x f
LO
-67
< 1GHz -36
> 1GHz -47
2/3 x f
LO
-64
4/3 x f
LO
-42
5/3 x f
LO
-65
8/3 x f
LO
-55
2 x f
LO
-27
Transmitter Spurious Signal
Emissions
B6:B1 = 111000,
OFDM signal
3 x f
LO
-54
dBm/
MHz
RF Output Return Loss O ff- chi p b al un and si ng l e end ed -15 dB
Minimum differential resistance 20 kΩ
Tx I/Q Input Load Impedance
(R || C)
Maximum differential capacitance 0.7 pF
Baseband -3dB Corner
Frequency
D1:D0 = 01, Register 8
(A3:A0 = 1000)
Nominal mode 11 MHz
Baseband Filter Rejection At 30MHz, in nominal mode 62 dB
Minimum Power-Detector Output
Voltage
Short sequence transmitter power = +10dBm 0.35 V
Maximum Power-Detector Output
Voltage
Short sequence transmitter power = +20dBm 1.2 V
RF P ow er - D etector Resp onse Ti m e 0.3 µs
6
Maxim Integrated
2.4GHz to 2.5GHz 802.11g/b RF Transceiver, PA,
and Rx/Tx/Antenna Diversity Switch
MAX2830