MAX2838ETM+T datasheet(9/22 Pages) MAXIM

Part #	MAX2838ETM+T

Description	3.3GHz to 3.9GHz Wireless Broadband RF Transceiver

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Manufacturer	MAXIM [Maxim Integrated Products]

Direct Link	https://www.maximintegrated.com/en.html

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3.3GHz to 3.9GHz

Wireless Broadband RF Transceiver

_______________________________________________________________________________________

9

Rx SUPPLY CURRENT vs. SUPPLY VOLTAGE

SUPPLY VOLTAGE (V)

3.0

89

93

97

101

105

85

2.7

3.3

3.6

+85°C

-40°C

+25°C

NOISE FIGURE vs. BASEBAND GAIN SETTING

BASEBAND VGA CODE

824

10

20

30

40

50

0

016

32

LNA = MAX - 40dB

LNA = MAX - 32dB

LNA = MAX - 24dB

LNA = MAX - 16dB

LNA = MAX - 8dB

LNA = MAX

Rx VOLTAGE GAIN vs. FREQUENCY

FREQUENCY (GHz)

3.6

3.2

20

10

30

40

50

60

0

3.0

3.8

3.4

4.0

LNA = MAX - 40dB

LNA = MAX - 32dB

LNA = MAX - 24dB

LNA = MAX - 16dB

LNA = MAX - 8dB

LNA = MAX

Rx VOLTAGE GAIN (MAXIMUM LNA GAIN)

vs. FREQUENCY

FREQUENCY (MHz)

3.6

3.4

3.8

46

48

50

52

54

44

3.3

3.7

3.5

3.9

-40°C

+85°C

+25°C

Rx VOLTAGE GAIN vs. BASEBAND

GAIN SETTING

BASEBAND VGA CODE

8

40

0

80

120

-40

0

162432

LNA = MAX - 40dB

LNA = MAX - 32dB

LNA = MAX - 24dB

LNA = MAX - 16dB

LNA = MAX - 8dB

LNA = MAX

Rx OUTPUT V1dB vs. GAIN SETTING

BASEBAND VGA CODE

816

0.4

0.8

1.2

1.6

0

024

32

Rx EVM vs. PIN (CHANNEL

BANDWIDTH = 10MHz, 64 QAM FUSC)

PIN (dBm)

-80

-60

4

2

6

8

10

14

12

16

18

20

22

0

-100 -90

-70

-40

-20

-50

0

-10

-30

10

LNA = MAX - 40dB

LNA = MAX - 32dB

LNA = MAX - 24dB

LNA = MAX - 16dB

LNA = MAX - 8dB

LNA = MAX

Rx EVM vs. VOUT (CHANNEL

BANDWIDTH = 10MHz, 64 QAM FUSC)

VOUT(dBVRMS)

-10

-25

4

8

12

16

0

-30

-15

-20

WiMAX EVM vs. OFDM JAMMER

(7MHz CHANNEL BANDWIDTH, 64 QAM FUSC)

PJAMMER at ANTENNA (dBm)

-30

-50

-60

8

10

12

2

4

6

14

0

-70

-40

-20

fOFFSET = 7MHz

fOFFSET = 14MHz

PWANTED = PSENSITIVITY + 3dB = -71.4dBm AT

ANTENNA (INCLUDING 4dB FRONT-END LOSS).

EVM AT PSENSITIVITY = 6%, WITHOUT JAMMER.

Typical Operating Characteristics

(VCC = 2.8V, TA = +25°C, fLO = 3.6GHz, fREF = 40MHz, CS = high, RXHP = SCLK = DIN = low, RF BW = 7MHz, using the MAX2838

Evaluation Kit.)

RECEIVER

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