Single-/Dual-Band 802.11a/b/g
World-Band Transceiver ICs
AC ELECTRICAL CHARACTERISTICS—802.11a Rx Mode (MAX2828/MAX2829) (continued)
(MAX2828/MAX2829 evaluation kits: V
CC
= +2.7V, f
IN
= 5.25GHz; receiver baseband I/Q outputs at 112mV
RMS
(-19dBV), f
REFOSC
=
40MHz, SHDN = RXENA = CS = high, RXHP = TXENA = SCLK = DIN = low, R
BIAS
= 11kΩ, registers set to default settings and cor-
responding test mode, T
A
= +25°C, unless otherwise noted. Unmodulated single-tone RF input signal is used, unless otherwise indi-
cated.) (Tables 1, 2, 3)
RSSI
RXHP = 1, low range (D11 = 0, see the Rx Control/RSSI
Register Definition section)
0.5
RSSI Minimum Output Voltage
RXHP = 1, high range (D11 = 1, see the Rx Control/RSSI
Register Definition section)
0.52
V
RXHP = 1, low range (D11 = 0, see the Rx Control/RSSI
Register Definition section)
2
RSSI Maximum Output Voltage
RXHP = 1, high range (D11 = 1, see the Rx Control/RSSI
Register Definition section)
2.5
V
RXHP = 1, low range (D11 = 0, see the Rx Control/RSSI
Register Definition section)
22.5
RSSI Slope
RXHP = 1, high range (D11 = 1, see the Rx Control/RSSI
Register Definition section)
30
+40dB signal step 0.2
RSSI Output Settling Time
To within 3dB of steady
state
-40dB signal step 0.7
µs
AC ELECTRICAL CHARACTERISTICS—802.11g Tx Mode (MAX2829)
(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)
TRANSMIT SECTION: Tx BASEBAND I/Q INPUTS TO RF OUTPUTS
RF Output Frequency Range, f
RF
2.412 2.500
-2.5
Output Power
54Mbps 802.11g OFDM
signal
B6:B1 = 111011
-4.5
Output Power (CW)
V
IN
= 100mV
RMS
at 1MHz I/Q CW signal, B6:B1 =
111111
-2
Output Power Range B6:B1 = 111111 to B6:B1 = 000000 30 dB
Carrier Leakage Without DC offset cancellation
-27
Unwanted Sideband Suppression
-46
dBc
Tx Output ACP
Measured with 1MHz resolution bandwidth at 22MHz
offset from channel center (B6:B1 = 111011), OFDM
signal
-69
RF Output Return Loss With external 50Ω match
-14
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