2.3GHz to 2.7GHz MIMO Wireless
BroadbandRF Transceiver
AC ELECTRICAL CHARACTERISTICS—Rx MODE (continued)
(MAX2839AS Evaluation Kit. Unless otherwise noted, V CC_ = 2.8V, T A = +25°C, f RF = 2.4999GHz, f LO = 2.5GHz; baseband output
signal frequency = 100kHz, f REF = 40MHz, ENABLE = TXRX = CS = high, SCLK = DIN = low, with power matching for the differential
RF pins using the Typical Operating Circuit and registers set to default settings. Lowpass filter is set to 10MHz RF channel BW.
Unmodulated single-tone RF input signal is used.) (Note 2)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
A[4:0] = 00100 serial bits D[9:6] = 0000
A[4:0] = 00100 serial bits D[9:6] = 0001
A[4:0] = 00100 serial bits D[9:6] = 0010
A[4:0] = 00100 serial bits D[9:6] = 0011
A[4:0] = 00100 serial bits D[9:6] = 0100
A[4:0] = 00100 serial bits D[9:6] = 0101
A[4:0] = 00100 serial bits D[9:6] = 0110
1.75
2.25
3.5
5.0
5.5
6.0
7.0
RF Channel BW Supported by
Baseband Filter
Baseband Gain Ripple
Baseband Group Delay Ripple
Baseband Filter Rejection for
5MHz RF Channel BW
Baseband Filter Rejection for
10MHz RF Channel BW
A[4:0] = 00100 serial bits D[9:6] = 0111
A[4:0] = 00100 serial bits D[9:6] = 1000
A[4:0] = 00100 serial bits D[9:6] = 1001
A[4:0] = 00100 serial bits D[9:6] = 1010
A[4:0] = 00100 serial bits D[9:6] = 1011
A[4:0] = 00100 serial bits D[9:6] = 1100
A[4:0] = 00100 serial bits D[9:6] = 1101
A[4:0] = 00100 serial bits D[9:6] = 1110
A[4:0] = 00100 serial bits D[9:6] = 1111
0 to 2.3MHz for RF BW = 5MHz
0 to 4.6MHz for RF BW = 10MHz
0 to 2.3MHz for RF BW = 5MHz
0 to 4.6MHz for RF BW = 10MHz
At 2.3MHz
At > 8.75MHz
At 4.6MHz
At > 17.5MHz
8.0
9.0
10.0
12.0
14.0
15.0
20.0
24.0
28.0
1.3
1.3
90
50
1.8
75
1.6
75
MHz
dB P-P
ns P-P
dB
dB
RSSI
RSSI Minimum Output Voltage
RSSI Maximum Output Voltage
RSSI Slope
R LOAD ≥ 10k ?
R LOAD ≥ 10k ?
0.6
2.1
29
V
V
mV/dB
RSSI Output Settling Time
To within 3dB of steady state
+32dB signal step
-32dB signal step
200
800
ns
_______________________________________________________________________________________
5
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