-2.8

-2.6

-2.4

-2.2

-2

-1.8

-1.6

Frequency (GHz)

-25

-20

-15

-10

-5

0

5

4.5

4

3.5

3

2.5

2

1.5

1

0.5

0

Control Voltage (Volts)

Output RL

Input RL

-35

-30

-25

-20

-15

-10

-5

0

54.5

43.532.5

21.5

1

0.5

0

Control Voltage (Volts)

Output RL

Input RL

-50

-45

-40

-35

-30

-25

-20

-15

-10

-5

0

5

4.5

4

3.5

3

2.5

2

1.5

1

0.5

0

Control Voltage (Volts)

1800MHz

2200MHz

900MHz

Typical Performance Curves

Parameter

Absolute Maximum

Maximum Input Power

+21 dBm

-1V, +8V

Operating Temperature

-40°C to +85°C

Storage Temperature

-65°C to +150°C

Absolute Maximum Ratings

1

1.

Operation of this device above any one of these parameters

may cause permanent damage.

Attenuation vs. Control Voltage @ +25°C

Insertion Loss vs. Frequency

Functional Schematic

8

76

5

1

3

2

4

GN D

R F

G N D

V c

GN D

GN D

RF

Vc c

PIN

Orientation Mark

1.

2.

3.

External DC blocking capacitors are required on all RF ports.

4.

39pF used for data measurements.

Return Loss vs. Control Voltage @ +25°C

F = 900 MHz

Return Loss vs. Control Voltage @ +25°C

F = 1800 MHz

Voltage Variable Absorptive Attenuator, 40 dB, 0.5-3.0 GHz

AT-108

North America: Tel. (800) 366-2266, Fax (800) 618-8883

Asia/Pacific: Tel.+81-44-844-8296, Fax +81-44-844-8298

Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020

Specifications subject to change without notice.

Visit www.macom.com for additional data sheets and product information.

V 4.0