2

Alpha Industries, Inc. [978] 241-7000

• Fax [978] 241-7906 • Email sales@alphaind.com • www.alphaind.com

Specifications subject to change without notice. 1/02A

HIP3™ Variable Attenuator for UMTS Base Stations

AV133-315

Insertion Loss vs. Frequency and

Control Voltage — UMTS Band

-50

-40

-30

-20

-10

0

2.11

2.12

2.13

2.14

2.15

2.16

2.17

Frequency (GHz)

0 V

4 V

8 V

12 V

Input/Output Return Loss vs. Frequency

and Control Voltage — UMTS Band

-40

-35

-30

-25

-20

-15

-10

2.11

2.12

2.13

2.14

2.15

2.16

2.17

Frequency (GHz)

0 V

4 V

8 V

12 V

Insertion Loss Flatness vs.

Control Voltage — UMTS Band

-2.0

-1.8

-1.6

-1.4

-1.2

-1.0

-0.8

-0.6

-0.4

-0.2

0

04

26

8

10

12

Flatness (dB)

Phase vs. Frequency and

Control Voltage — UMTS Band

0

2

4

6

8

10

12

14

2.11

2.12

2.13

2.14

2.15

2.16

2.17

Frequency (GHz)

8 V

11 V

0 V

4 V

3rd Order Intermod

Intercept vs. Control Voltage

04

26

8

10

12

Control Voltage (V)

30

32

34

36

38

40

42

44

46

48

50

Total Current vs. Control Voltage

06

39

12

Control Voltage (V)

0

0.5

1.0

1.5

2.0

Typical Performance Data