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RF3933

DS120306

7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical

support, contact RFMD at (+1) 336-678-5570 or customerservice@rfmd.com.

Typical Performance in Standard 900MHz Tuned Test Fixture

(CW, T = 25°C, unless otherwise noted)

15

16

17

18

19

20

21

22

23

24

25

30

32

34

36

38

40

42

44

46

48

50

52

Output Power (dBm)

Gain vs. Output Power (f = 900MHz)

(Pulsed 10% duty cycle, 10uS, Vd = 48V, Idq = 300mA)

Gain

5

10

15

20

25

30

35

40

45

50

55

60

65

70

75

30

32

34

36

38

40

42

44

46

48

50

52

Output Power (dBm)

Efficiency vs. Output Power (f = 900MHz)

(Pulsed 10% duty cycle, 10uS, Vd = 48V, Idq = 300mA)

Drain Eff

-20

-18

-16

-14

-12

-10

-8

-6

-4

-2

0

30

32

34

36

38

40

42

44

46

48

50

52

Output Power (dBm)

Input Return Loss vs. Output Power (f = 900MHz)

(Pulsed 10% duty cycle, 10uS, Vd = 48V, Idq = 300mA)

IRL

-20

-18

-16

-14

-12

-10

-8

-6

-4

-2

0

13

14

15

16

17

18

19

20

21

22

23

880

890

900

910

920

Frequency (MHz)

Small Signal Performance vs. Frequency, Pout = 30dBm

(Vd = 48V, Idq = 300mA)

Gain

IRL

Fixed tuned test circuit

-20

-18

-16

-14

-12

-10

-8

-6

-4

-2

0

11

12

13

14

15

16

17

18

19

20

21

880890

900910

920

Frequency (MHz)

Gain/IRL vs. Frequency, Pout = 49.5dBm

(CW, Vd = 48V, Idq = 300mA)

Gain

IRL

Fixed tuned test circuit

65

67

69

71

73

75

880

890

900

910

920

Frequency (MHz)

Drain Efficiency vs. Frequency, Pout = 49.5dBm

(CW, Vd = 48V, Idq = 300mA)

Eff

Fixed tuned test circuit