5GHz Receiver
Typical Operating Characteristics (continued)
(V CC = 2.8V, f LO = 5.35GHz, f REF = 40MHz, CS = high, SCLK = DIN = low, RF BW = 20MHz, Tx output at 50 I unbalanced output of
balun, T A = +25 N C, using the MAX2852 Evaluation Kit.)
-35
Rx LPF 20MHz CHANNEL BANDWIDTH
RESPONSE
-35
Rx LPF 40MHz CHANNEL BANDWIDTH
RESPONSE
100
Rx LPF 20MHz CHANNEL
BANDWIDTH GROUP DELAY
MAX2852 toc21
-135
10k
100M
-135
10k
100M
0
10k
100M
BASEBAND FREQUENCY (Hz)
FREQUENCY (Hz)
FREQUENCY (Hz)
100
Rx LPF 40MHz CHANNEL
BANDWIDTH GROUP DELAY
MAX2852 toc22
Rx DC OFFSET SETTLING RESPONSE
(-30dB Rx VGA GAIN STEP)
MAX2852 toc23
Rx DC OFFSET SETTLING RESPONSE
(+8dB Rx VGA GAIN STEP)
MAX2852 toc24
0V
Rx BASEBAND
I/Q OUTPUT
GAIN-CONTROL
TOGGLE
CH1 PEAK TO
PEAK: 81.9mV
0V
10mV/div
GAIN-CONTROL
TOGGLE
CH1 PEAK TO
PEAK: 8.60mV
50mV/div
Rx BASEBAND
I/Q OUTPUT
0
10k
100M
200ns/div
200ns/div
FREQUENCY (Hz)
Rx DC OFFSET SETTLING RESPONSE
(+16dB Rx VGA GAIN STEP)
MAX2852 toc25
Rx DC OFFSET SETTLING RESPONSE
(+32dB Rx VGA GAIN STEP)
MAX2852 toc26
Rx BASEBAND DC OFFSET SETTLING
RESPONSE WITH RxHP = 1
(MAX - 40dB TO MAX LNA GAIN STEP)
MAX2852 toc27
CH1 PEAK TO
GAIN-CONTROL TOGGLE
CH1 PEAK TO
0V
10mV/div
Rx BASEBAND
I/Q OUTPUT
GAIN-CONTROL
TOGGLE
PEAK: 17.3mV
0V
Rx BASEBAND
I/Q OUTPUT
50mV/div
PEAK: 69.0mV
Rx BASEBAND
I/Q OUTPUT
0V
10mV/div
GAIN-CONTROL
TOGGLE
200ns/div
200ns/div
10μs/div
______________________________________________________________________________________
11
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