TYPICAL CHARACTERISTICS

2400 2410

2420

2430 2440 2450

2460

2470

2480

f

Frequency

MHz

−

−

-2

-1

0

1

2

3

4

5

6

7

8

9

10

11

12

13

3.9

4

4.1

4.2

4.3

4.4

4.5

4.6

4.7

4.8

4.9

5

5.1

5.2

5.3

5.4

GainHGM

NoiseFigureHGM

GainLGM

T

Temperature

−

− C

o

-40

-20

0

20

40

60

80

-3

-2

-1

0

1

2

3

4

5

6

7

8

9

10

11

12

13

14

HGM

LGM

PowerSupply − V

2

2.4

2.6

2.8

3

3.2

3.4

2.2

3.6

-3

-2

-1

0

1

2

3

4

5

6

7

8

9

10

11

12

13

HGM

LGM

freq(2.400GHzto2.485GHz)

m1

m1

freq=

S(1,1)=0.129/-31.279

impedance=61.723-j8.383

2.440GHz

CC2590

www.ti.com ........................................................................................................................................................................................ SWRS080 – SEPTEMBER 2008

LNA GAIN AND NOISE FIGURE

LNA GAIN

vs

vs

FREQUENCY

TEMPERATURE

Figure 3.

Figure 4.

LNA GAIN

vs

POWER SUPPLY

Figure 5.

Figure 6. Input Impedance of LNA Measured from Antenna

Port on CC2590EM

Copyright © 2008, Texas Instruments Incorporated

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