GTRA384802FC

4

Rev. 03.1, 2022-1-27

© 2022 Wolfspeed, Inc. All rights reserved. Wolfspeed® and the Wolfstreak logo are registered trademarks and the Wolfspeed logo is a trademark of Wolfspeed, Inc.

The information in this document is subject to change without notice.

4600 Silicon Drive | Durham, NC 27703 | Tel: +1.919.313.5300

Typical Performance (cont.)

Figure 5. CW Performance at various V

DD

Figure 6. Small Signal CW Gain & Input Return Loss

0

10

20

30

40

50

60

70

10

11

12

13

14

15

16

17

29

33

37

41

45

49

53

57

Output Power (dBm)

CW Performance at various VDD

IDQ(MAIN) = 250 mA, VGS(PEAK) = –6.0V

ƒ = 3800 MHz

44 V Gain

48 V Gain

52 V Gain

44 V Eff

48 V Eff

52 V Eff

g384802fc-gr6c

-30

-25

-20

-15

-10

-5

8

10

12

14

16

18

3500

3600

3700

3800

3900

Frequency (MHz)

Small Signal CW

Gain & Input Return Loss

VDD = 48 V, IDQ(MAIN) = 250 mA,

VGSPEAK = –6.0 V

IRL

Gain

g384802fc-gr7

0

10

20

30

40

50

60

70

10

11

12

13

14

15

16

17

29

33

37

41

45

49

53

57

Output Power (dBm)

CW Performance at various VDD

IDQ(MAIN) = 250 mA, VGS(PEAK) = –6.0V

ƒ = 3800 MHz

44 V Gain

48 V Gain

52 V Gain

44 V Eff

48 V Eff

52 V Eff

g384802fc-gr6c

-30

-25

-20

-15

-10

-5

8

10

12

14

16

18

3500

3600

3700

3800

3900

Frequency (MHz)

Small Signal CW

Gain & Input Return Loss

VDD = 48 V, IDQ(MAIN) = 250 mA,

VGSPEAK = –6.0 V

IRL

Gain

g384802fc-gr7

Load Pull

Main side load pull performance – pulsed CW signal: 10 µsec, 10% duty cycle, 48 V, I

DQ = 250 mA , class AB

Peak side load pull performance – pulsed CW signal: 10 µsec, 10% duty cycle, 48 V, I

DQ = 360 mA, class AB

P

3dB

Max Output Power

Max Drain Efficiency

Freq

[MHz]

Z

s [W]

Z

l [W]

Gain

[dB]

P

OUT

[dBm]

P

OUT [W]

Efficiency

[%]

Z

l[W]

Gain

[dB]

P

OUT

[dBm]

P

OUT [W]

Efficiency

[%]

3600

11.2 – j7.4

10.2 + j0

18.1

54.70

295

31.3

11.7 – j7

17.0

48.70

74

57.5

3700

6.2 – j5.7

9.5 + j0.9

17.6

54.60

288

31.3

7.5 – j15.6

16.0

48.10

65

57.5

3800

4.0 – j7.3

8.4 + j2

17.4

54.60

288

31.2

16 – j24

14.6

47.20

52

55.5

P

3dB

Max Output Power

Max Drain Efficiency

Freq

[MHz]

Z

s [W]

Z

l [W]

Gain

[dB]

P

OUT

[dBm]

P

OUT [W]

Efficiency

[%]

Z

l[W]

Gain

[dB]

P

OUT

[dBm]

P

OUT [W]

Efficiency

[%]

3600

15 – j11.4

3 – j8.5

15.4

55.90

389

57.5

1.5 – j7.3

18.5

54.60

288

67.0

3700

10.8 – j8.8

3 – j8.8

14.9

55.60

363

52.2

3 – j7.1

15.7

55.00

316

61.3

3800

6.7 – j8

3 – j8.8

15.2

55.60

363

56.9

1.6 – j7.6

17.0

53.50

224

61.8

0

10

20

30

40

50

60

70

10

11

12

13

14

15

16

17

29

33

37

41

45

49

53

57

Output Power (dBm)

CW Performance at various VDD

IDQ(MAIN) = 250 mA, VGS(PEAK) = –6.0V

ƒ = 3800 MHz

44 V Gain

48 V Gain

52 V Gain

44 V Eff

48 V Eff

52 V Eff

g384802fc-gr6c