MAX2248 datasheet(5/9 Pages) MAXIM

部件名	MAX2248

功能描述	1.9GHz Power Amplifier

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制造商	MAXIM [Maxim Integrated Products]

网页	https://www.maximintegrated.com/en.html

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(MAX2248 EV kit, VCC = +3.2V, PRFIN = +3dBm, fRFIN = 1.9GHz, SHDN = VCC, TA = +25°C, unless otherwise noted. See Table 1 for

power level settings P1, P2, P3, P4.)(TA = +25°C, unless otherwise noted.)

Typical Operating Characteristics (continued)

-70

-60

-50

-40

-30

-20

-10

0

10

20

30

0

2

4

6

8

10

12

14

FREQUENCY (GHz)

HARMONIC OUTPUT SPECTRUM

toc10

START = 1800MHz STOP = 2000MHz

REFER TO FIRST INPUT MATCHING COMPONENT

toc11

INPUT RETURN LOSS — S11

1µs/div

POWER-ON/OFF CHARACTERISTICS

toc12

SHDN 1V/div

(AC-COUPLED)

RFOUT 1V/div

(AC-COUPLED)

0

20

40

60

80

100

120

2.5

3

3.5

4

4.5

5

SUPPLY VOLTAGE (V)

P4

P3

P2

P1

SUPPLY CURRENT vs. SUPPLY VOLTAGE

toc07

0

1

2

3

4

5

6

7

8

9

10

-40

-20

0

20

40

60

80

TEMPERATURE (°C)

VCC = 5.0V

VCC = 3.2V

VCC = 2.7V

SHUTDOWN SUPPLY CURRENT

vs. TEMPERATURE

toc08

SHDN = D0 = D1 = GND

-70

-60

-50

-40

-30

-20

-10

0

10

20

30

1897.5

1900

1902.5

FREQUENCY (MHz)

FSK MODULATED OUTPUT SPECTRUM

toc09

Maxim Integrated │ 5

www.maximintegrated.com

MAX2248

1.9GHz Power Amplifier

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