Datasheet

Single-/Dual-Band 802.11a/b/g
World-Band Transceiver ICs
AC ELECTRICAL CHARACTERISTICS—802.11g Tx Mode (MAX2829) (continued)
(MAX2829 evaluation kit: V
CC
= +2.7V, f
OUT
= 2.437GHz, f
REFOSC
= 40MHz, SHDN = TXENA = CS = high, RXENA = SCLK = DIN =
low, R
BIAS
= 11kΩ, 100mV
RMS
sine and cosine signal (or 100mV
RMS
, 54Mbps IEEE 802.11g I/Q signals wherever OFDM is men-
tioned) applied to baseband I/Q inputs of transmitter, registers set to default settings and corresponding test mode, T
A
= +25°C,
unless otherwise noted.) (Table 4)
PARAMETER CONDITIONS
MIN TYP MAX
UNITS
2/3 x f
RF
-64
4/3 x f
RF
-61
5/3 x f
RF
-63
RF Spurious Signal Emissions
B6:B1 = 111011, OFDM
signal
8/3 x f
RF
-52
dBm/
MHz
Nominal mode 12
Turbo mode 1 18
Baseband -3dB Corner
Frequency
(See the Lowpass Filter
Register Definition
section)
Turbo mode 2 24
MHz
Baseband Filter Rejection
At 30MHz, in nominal mode (see the Lowpass Filter
Register Definition section)
60 dB
Minimum differential resistance 60 kΩ
Tx Baseband Input Impedance
Maximum differential capacitance 0.7 pF
TRANSMITTER LO LEAKAGE AND I/Q CALIBRATION USING LO LEAKAGE AND SIDEBAND DETECTOR (SEE THE Tx/Rx
CALIBRATION MODE SECTION)
Tx BASEBAND I/Q INPUTS TO RECEIVER OUTPUTS
Output at 1 x f
TONE
(for LO leakage
= -29dBc), f
TONE
= 2MHz,
100mV
RMS
-3
LO Leakage and Sideband-
Detector Output
Calibration register,
D12:D11 = 11,
A3:A0 = 0110
Output at 2 x f
TONE
(for sideband
suppression = -40dBc), f
TONE
=
2MHz, 100mV
RMS
-13
dBV
RMS
Amplifier Gain Range D12:D11 = 00 to D12:D11 = 11, A3:A0 = 0110 26 dB
Lower -3dB Corner Frequency
1
MHz
MAX2828/MAX2829
Maxim Integrated
9