QPA9805

600 – 1000 MHz 1/2W Balanced Amplifier

Data Sheet May 24, 2017 | Subject to change without notice

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Performance Plots

, Temp.=+25 °C

16

17

18

19

20

21

500

600

700

800

900

1000

1100

1200

Frequency (MHz)

Gain vs Frequency

+105°C

+85°C

+25°C

−40°C

-40

-35

-30

-25

-20

-15

-10

-5

0

500

600

700

800

900

1000

1100

1200

Frequency (MHz)

Input Return Loss vs Frequency

+105°C

+85°C

+25°C

−40°C

-40

-35

-30

-25

-20

-15

-10

-5

0

500

600

700

800

900

1000

1100

1200

Frequency (MHz)

Output Return Loss vs Frequency

+105°C

+85°C

+25°C

−40°C

30

35

40

45

6

7

8

9

10 11 12 13 14 15 16 17 18 19 20

Pout (dBm/tone)

OIP3 vs Pout/tone vs Temperature

+105°C

+85°C

+25°C

−40°C

Freq = 728 MHz

30

35

40

45

6

7

8

9

10 11 12 13 14 15 16 17 18 19 20

Pout (dBm/tone)

OIP3 vs Pout/tone vs Temperature

+105°C

+85°C

+25°C

−40°C

Freq = 869 MHz

30

35

40

45

6

7

8

9

10 11 12 13 14 15 16 17 18 19 20

Pout (dBm/tone)

OIP3 vs Pout/tone vs Temperature

+105°C

+85°C

+25°C

−40°C

Freq = 960 MHz

30

35

40

45

10

11

12

13

14

15

16

17

18

19

20

Pout (dBm/tone)

OIP3 vs Pout/tone vs Temperature

+105°C

+85°C

+25°C

−40°C

Freq = 617 MHz

24

25

26

27

28

29

610

660

710

760

810

860

910

960

Frequency (MHz)

OP1dB vs Frequency

+105°C

+85°C

+25°C

−40°C

0

1

2

3

4

5

6

7

600

650

700

750

800

850

900

950

1000

Frequency (MHz)

Noise Figure vs Frequency

-40C

25C

85C

105C

Vcc = +5V