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

HMC939LP4 / 939LP4E

v01.1211

1.0 dB LSB GaAs MMIC 5-BIT DIGITAL

ATTENUATOR, 0.1 - 33 GHz

20

30

40

50

60

0.01

0.1

1

10

100

FREQUENCY (GHz)

Relative Phase vs. Frequency

(Only Major States are Shown)

Step Attenuation vs. Attenuation State

0.1 - 18 GHz

Input IP3 vs. Temperature

(Minimum Attenuation State)

Input IP3 Over Major Attenuation States

Input Power for 0.1 dB Compression

-20

0

20

40

60

80

100

120

0

5

10

15

20

25

30

35

40

FREQUENCY (GHz)

31 dB

0

0.4

0.8

1.2

1.6

0

4

8

12

16

20

24

28

32

5 GHz

10 GHz

18 GHz

ATTENUATION STATE (dB)

20

30

40

50

60

0.01

0.1

1

10

100

+25 C

+85 C

-40 C

FREQUENCY (GHz)

6

10

14

18

22

26

30

0.01

0.1

1

10

100

+25 C

+85 C

-40 C

FREQUENCY (GHz)

Step Attenuation vs. Attenuation State

18 - 33 GHz

-0.4

0

0.4

0.8

1.2

1.6

0

4

8

12

16

20

24

28

32

26.5 GHz

33 GHz

ATTENUATION STATE (dB)