Datasheet

2.4GHz to 2.5GHz 802.11g/b RF Transceiver, PA,
and Rx/Tx/Antenna Diversity Switch
AC ELECTRICAL CHARACTERISTICS—Tx Mode (continued)
(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
TRANSMITTER LO LEAKAGE AND I/Q CALIBRATION USING LO LEAKAGE AND SIDEBAND DETECTOR
(see the Rx/Tx 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
-34
LO Leakage and Sideband
Detector Output
Calibration register,
D12:D11 = 00,
A3:A0 = 0110
Output at 2 x f
TONE
(for LO
leakage = -240dBc),
f
TONE
= 2MHz, 100mV
RMS
-44
dBV
RMS
Amplifier Gain Range D12:D11 = 00 to D12:D11 = 11, A3:A0 = 0110 30 dB
Lower -3dB Corner Frequency 1 MHz
Maxim Integrated
7
MAX2830