GTRA374902FC

4

Rev. 02.2, 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. Pulse CW Performance at various V

DD

Figure 6. CW Performance Small Signal

Gain & Input Return Loss

0

10

20

30

40

50

60

70

9

10

11

12

13

14

15

16

32

36

40

44

48

52

56

60

Output Power (dBm)

Pulse CW Performance at various VDD

IDQ(MAIN) = 250 mA, VGS(PEAK) = -5.8 V

ƒ = 3700 MHz

46V Gain

48V Gain

50V Gain

52V Gain

46V Eff

48V Eff

50V Eff

52V Eff

gtra374902fc_g6

-14

-13

-12

-11

-10

-9

-8

-7

-6

-5

-4

6

7

8

9

10

11

12

13

14

15

16

3350

3450

3550

3650

3750

3850

Frequency (MHz)

CW Performance Small Signal

Gain & Input Return Loss

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

VGSPEAK = -5.8 V

IRL

Gain

gtra374902fc_g7

0

10

20

30

40

50

60

70

9

10

11

12

13

14

15

16

32

36

40

44

48

52

56

60

Output Power (dBm)

Pulse CW Performance at various VDD

IDQ(MAIN) = 250 mA, VGS(PEAK) = -5.8 V

ƒ = 3700 MHz

46V Gain

48V Gain

50V Gain

52V Gain

46V Eff

48V Eff

50V Eff

52V Eff

gtra374902fc_g6

-14

-13

-12

-11

-10

-9

-8

-7

-6

-5

-4

6

7

8

9

10

11

12

13

14

15

16

3350

3450

3550

3650

3750

3850

Frequency (MHz)

CW Performance Small Signal

Gain & Input Return Loss

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

VGSPEAK = -5.8 V

IRL

Gain

gtra374902fc_g7

Load Pull Performance

Main Side Load Pull Performance – Pulsed CW signal: 10 µs, 10% duty cycle, 48 V, I

DQ = 250 mA, class AB

Peak Side Load Pull Performance – Pulsed CW signal: 10 µs, 10% duty cycle, 48 V, V

GSPK = -5 V, class C

P

3dB

Max Output Power

Max Drain Efficiency

Freq

[MHz]

Zs [W]

Zl [W]

Gain

[dB]

P

3dB

[dBm]

P

3dB [W]

hD [%]

Zl [W]

Gain

[dB]

P

3dB

[dBm]

P

3dB [W]

hD [%]

3600

7-j5.7

3.5-j6.7

16.4

54.20

263

61.0

2-j4.4

17.9

52.20

166

71.0

3700

6.2-j9.3

3.7-j6.6

16.2

54.20

263

60.0

1.8-j5.2

17.4

52.30

170

70.0

P

3dB

Max Output Power

Max Drain Efficiency

Freq

[MHz]

Zs [W]

Zl [W]

Gain

[dB]

P

3dB

[dBm]

P

3dB [W]

hD [%]

Zl [W]

Gain

[dB]

P

3dB

[dBm]

P

3dB [W]

hD [%]

3600

15-j11.3

3.2-j8.4

11.8

55.60

363

58.6

2.9-j7.1

12.4

55.10

324

66.7

3700

10.8-j8.8

3.2-j8.7

11.3

55.40

347

55.0

2.4-j7

12.2

54.80

302

68.4

0

10

20

30

40

50

60

70

9

10

11

12

13

14

15

16

32

36

40

44

48

52

56

60

Output Power (dBm)

Pulse CW Performance at various VDD

IDQ(MAIN) = 250 mA, VGS(PEAK) = -5.8 V

ƒ = 3700 MHz

46V Gain

48V Gain

50V Gain

52V Gain

46V Eff

48V Eff

50V Eff

52V Eff

gtra374902fc_g6