GTRA412852FC

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 RF Performance, 3800 – 4100 MHz (cont.)

Figure 9. Pulsed CW Performance at Various V

DD

0

10

20

30

40

50

60

10

11

12

13

14

15

16

27

32

37

42

47

52

57

Output Power (dBm)

Pulsed CW Performance at various VDD

IDQ(MAIN) = 144 mA, VGS(PEAK) = –6.0V,

ƒ = 4100 MHz

44 V - Gain

48 V - Gain

52 V - Gain

44 V - Efficiency

48 V - Efficiency

52 V - Efficiency

gtra412852fc-4100_gr6

-25

-20

-15

-10

-5

8

10

12

14

16

3600

3800

4000

4200

Frequency (MHz)

CW Performance Small Signal

Gain & Input Return Loss

VDD = 48 V, IDQ(MAIN) = 144 mA,

VGSPEAK = -6.0 V

IRL

Gain

gtra412852fc-gr7

0

10

20

30

40

50

60

10

11

12

13

14

15

16

27

32

37

42

47

52

57

Output Power (dBm)

Pulsed CW Performance at various VDD

IDQ(MAIN) = 144 mA, VGS(PEAK) = –6.0V,

ƒ = 4100 MHz

44 V - Gain

48 V - Gain

52 V - Gain

44 V - Efficiency

48 V - Efficiency

52 V - Efficiency

gtra412852fc-4100_gr6

-25

-20

-15

-10

-5

8

10

12

14

16

3600

3800

4000

4200

Frequency (MHz)

CW Performance Small Signal

Gain & Input Return Loss

VDD = 48 V, IDQ(MAIN) = 144 mA,

VGSPEAK = -6.0 V

IRL

Gain

gtra412852fc-gr7

Figure 10. CW Performance Small Signal

Gain & Input Return Loss

Load Pull Performance

Main Side – pulsed CW signal: 10 µsec pulse width, 10% duty cycle, 48 V, 144 mA, class AB

Peak Side – pulsed CW signal: 10 µsec pulse width, 10% duty cycle, 48 V, 216 mA, class AB

P

3dB

Max Output Power

Max Drain Efficiency

Freq

[MHz]

Zs [W]

Zl [W]

Gain

[dB]

P

OUT

[dBm]

P

OUT [W]

PAE [%]

Zl [W]

Gain

[dB]

P

OUT

[dBm]

P

OUT [W]

PAE [%]

3800

8.3 – j8.8

5.6– j1.3

17.8

51.53

142

55.3

6.9 – j3.3

18.8

51.05

127

64.9

3900

8.0 – j11.2

4.9 – j1.8

17.1

51.42

139

53.6

8.7 – j2.7

18.9

50.06

101

62.8

4000

6.6 – j13.4

3.2 – j2.8

15.9

51.50

141

52.7

8.6 – j2.7

17.6

49.54

90

65.3

4100

5.8 – j15.9

3.4 – j3.5

15.9

51.45

140

55.8

7.4 – j1.6

17.3

49.63

92

64.7

P

3dB

Max Output Power

Max Drain Efficiency

Freq

[MHz]

Zs [W]

Zl [W]

Gain

[dB]

P

OUT

[dBm]

P

OUT [W]

PAE [%]

Zl [W]

Gain

[dB]

P

OUT

[dBm]

P

OUT [W]

PAE [%]

3800

10.4 – j13.6

5.8 – j12.6

14.5

53.30

214

50.4

4 – j9.2

16.3

52.08

161

60.2

3900

9.4 – j15.7

7.2 – j9.1

14.4

53.20

214

55.6

4.7 – j7.5

15.1

52.13

163

62.1

4000

8.2 – j17.2

5.6 – j12

14.3

53.50

224

53.9

4 – j8.8

15.3

52.15

164

62.2

4100

6.4 – j18.2

5.5 – j12.8

14.3

53.10

204

55.4

4.5 – j11.2

14.8

52.30

170

59.5

0

10

20

30

40

50

60

10

11

12

13

14

15

16

27

32

37

42

47

52

57

Output Power (dBm)

Pulsed CW Performance at various VDD

IDQ(MAIN) = 144 mA, VGS(PEAK) = –6.0V,

ƒ = 4100 MHz

44 V - Gain

48 V - Gain

52 V - Gain

44 V - Efficiency

48 V - Efficiency

52 V - Efficiency

gtra412852fc-4100_gr6