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.)
Rx BASEBAND DC OFFSET SETTLING
RESPONSE WITH RxHP = 0
(MAX TO MAX - 40dB LNA GAIN STEP)
MAX2852 toc28
Rx BASEBAND DC OFFSET SETTLING
RESPONSE WITH RxHP = 1
(MAX - 40dB TO MAX LNA GAIN STEP)
MAX2852 toc29
Rx BASEBAND DC OFFSET SETTLING
RESPONSE WITH RxHP = 0
(MAX - 40dB TO MAX LNA GAIN STEP)
MAX2852 toc30
Rx BASEBAND
GAIN-CONTROL
TOGGLE
Rx BASEBAND
GAIN-CONTROL
TOGGLE
Rx BASEBAND
GAIN-CONTROL
TOGGLE
I/Q OUTPUT
0V
50mV/div
10μs/div
Rx BASEBAND VGA SETTLING
RESPONSE (-30dB BASEBAND
VGA GAIN STEP)
MAX2852 toc31
I/Q OUTPUT
0V
10mV/div
10μs/div
Rx BASEBAND VGA SETTLING
RESPONSE (+4dB BASEBAND
VGA GAIN STEP)
MAX2852 toc32
I/Q OUTPUT
0V
50mV/div
10μs/div
Rx BASEBAND VGA SETTLING
RESPONSE (+16dB BASEBAND
VGA GAIN STEP)
MAX2852 toc33
CH1 PEAK TO
PEAK : 652mV
GAIN-CONTROL
TOGGLE
CH1 PEAK TO
PEAK: 568mV
CH1 PEAK TO
PEAK: 532mV
Rx BASEBAND
I/Q OUTPUT
GAIN-CONTROL
TOGGLE
Rx BASEBAND
OUTPUT
Rx BASEBAND
OUTPUT
GAIN-CONTROL
TOGGLE
0V
0.1V/div
100ns/div
Rx BASEBAND VGA SETTLING
RESPONSE (+30dB BASEBAND
VGA GAIN STEP)
MAX2852 toc34
CH1 PEAK TO
PEAK: 800mV
CLIPPING NEGATIVE
0V
0.1V/div
100ns/div
Rx LNA SETTLING RESPONSE
(MAX TO MAX - 40dB GAIN STEP)
MAX2852 toc35
D : 130mv
@: 132mv
CH1 RMS:
0V
0.1V/div
100ns/div
Rx LNA SETTLING RESPONSE
(MAX - 8dB TO MAX GAIN STEP)
MAX2852 toc36
GAIN-CONTROL
TOGGLE
Rx BASEBAND
OUTPUT
0V
0.1V/div
GAIN-CONTROL
TOGGLE
0V
0.1V/div
Rx BASEBAND
OUTPUT
168mV
GAIN-CONTROL
TOGGLE
Rx BASEBAND
OUTPUT
0V
0.1V/div
D : 130mv
@: 132mv
CH1 RMS:
188mV
100ns/div
100ns/div
100ns/div
12
_____________________________________________________________________________________
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