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Typical operating characteristics – Rainbow Electronics MAX2644 User Manual

Page 3

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MAX2644

2.4GHz SiGe, High IP3 Low-Noise Amplifier

_______________________________________________________________________________________

3

Typical Operating Characteristics

(P

RFIN

= -30dBm, Z

S

= Z

L

= 50

Ω, V

CC

= +3.0V, f

RFIN

= 2450MHz, R

BIAS

= 1.2k

Ω, T

A

= +25°C, unless otherwise noted.)

0

4

2

8

6

12

10

14

2.5

3.5

4.0

3.0

4.5

5.0

5.5

SUPPLY CURRENT vs. SUPPLY VOLTAGE

MAX2644 toc01

SUPPLY VOLTAGE (V)

SUPPLY CURRENT (mA)

T

A

= +25

°C

T

A

= -40

°C

T

A

= +85

°C

R

BIAS

= 1.2k

13

15

14

17

16

18

19

0.5

2.0

2.5

1.0

1.5

3.0

3.5

4.0

GAIN vs. R

BIAS

MAX2644 toc05

R

BIAS

(k

Ω)

GAIN (dB)

T

A

= -40

°C

T

A

= +85

°C

T

A

= +25

°C

-20

-14

-16

-18

-12

-10

-8

-6

-4

-2

0

2200

2400

2300

2500

2600

2700

INPUT AND OUTPUT RETURN LOSS

vs. FREQUENCY

MAX2644 toc06

FREQUENCY (MHz)

REVERSE ISOLATION (dB)

OUTPUT RETURN LOSS

R

BIAS

= 1.2k

INPUT RETURN LOSS

0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

2350

2400

2450

2500

2550

NOISE FIGURE vs. FREQUENCY

MAX2644 toc08

FREQUENCY (MHz)

NOSIE FIGURE (dB)

R

BIAS

= 1.2k

0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

-40

-15

10

35

60

85

NOISE FIGURE vs. TEMPERATURE

MAX2644 toc09

TEMPERATURE (

°C)

NOSIE FIGURE (dB)

R

BIAS

= 1.2k

10

13

12

11

14

15

16

17

18

19

20

2200

2400

2300

2500

2600

2700

GAIN vs. FREQUENCY

MAX2644 toc04

FREQUENCY (MHz)

GAIN (dB)

T

A

= -40

°C

T

A

= +85

°C

T

A

= +25

°C

R

BIAS

= 1.2k

-50

-40

-45

-30

-35

-25

-20

2200

2400

2300

2500

2600

2700

REVERSE ISOLATION vs. FREQUENCY

MAX2644 toc07

FREQUENCY (MHz)

REVERSE ISOLATION (dB)

T

A

= +25

°C

T

A

= +85

°C

R

BIAS

= 1.2k

T

A

= -40

°C

1

5

3

9

7

11

13

0.5

2.0

2.5

1.0

1.5

3.0

3.5

4.0

SUPPLY CURRENT vs. R

BIAS

MAX2644 toc02

R

BIAS

(k

Ω)

SUPPLY CURRENT (mA)

T

A

= +25

°C

T

A

= +85

°C

T

A

= -40

°C

12

15

14

13

16

17

18

19

20

21

22

2.5

3.5

3.0

4.0

4.5

5.0

5.5

GAIN vs. SUPPLY VOLTAGE

MAX2644 toc03

SUPPLY VOLTAGE (V)

GAIN (dB)

T

A

= +25

°C

R

BIAS

= 1.2k

T

A

= +85

°C

T

A

= -40

°C