For price, delivery and to place orders: Hittite Microwave Corporation, 2 Elizabeth Drive, Chelmsford, MA 01824

Phone: 978-250-3343

Fax: 978-250-3373

Order On-line at www.hittite.com

Application Support: Phone: 978-250-3343 or apps@hittite.com

3

HMC980

v00.0312

Active BiAs controller

High current

Power Up Waveform

370

375

380

385

390

395

400

405

3.3

3.5

3.6

3.8

4.0

4.2

4.3

4.5

4.7

4.8

5.0

+25 C

+85 C

-55 C

VDIG (V)

IDrain is set to: 388mA

1300

1325

1350

1375

1400

1425

1450

1475

3.3

3.5

3.6

3.8

4

4.2

4.3

4.5

4.7

4.8

5

+25 C

+85 C

-55 C

VDIG (V)

IDrain is set to: 1409mA

enable Waveform

shutdown Waveform

-4

-2

0

2

4

6

8

10

12

14

0

20

40

60

80

100

120

140

160

180

200

VDD(V)

VDRAIN (V)

VDIG (V)

VG2 (V)

VNEG (V)

VGATE (V)

TIME (ms)

-12

-8

-4

0

4

8

12

16

01234

56

EN(V)

VDRAIN (V)

VG2 (V)

VNEG (V)

VGATE (V)

TIME (ms)

Disable Waveform

-6

-4

-2

0

2

4

6

8

10

12

14

45678

9

10

EN(V)

VDRAIN (V)

VG2 (V)

VNEG (V)

VGATE (V)

TIME (ms)

-4

-2

0

2

4

6

8

10

12

14

0

10

20

30

40

50

60

70

80

90

100

VDD (V)

VDRAIN (V)

VDIG(V)

VG2 (V)

VNEG (V)

VGATE (V)

TIME (ms)

[1] hMC637lp5 is used as external amplifier

[2] hMC591lp5 is used as external amplifier