• North America Tel: 800.366.2266 / Fax: 978.366.2266

• Europe Tel: 44.1908.574.200 / Fax: 44.1908.574.300

• Asia/Pacific Tel: 81.44.844.8296 / Fax: 81.44.844.8298

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

M/A-COM Technology Solutions Inc. and its affiliates reserve the right to make

changes to the product(s) or information contained herein without notice.

3

3 Volt Voltage Variable Attenuator

25 dB, DC - 2.5 GHz

Rev. V7

AT-255

ADVANCED: Data Sheets contain information regarding a product M/A-COM Technology Solutions

is considering for development. Performance is based on target specifications, simulated results,

and/or prototype measurements. Commitment to develop is not guaranteed.

PRELIMINARY: Data Sheets contain information regarding a product M/A-COM Technology

Solutions has under development. Performance is based on engineering tests. Specifications are

typical. Mechanical outline has been fixed. Engineering samples and/or test data may be available.

Commitment to produce in volume is not guaranteed.

Typical Performance Curves

Insertion Loss vs. Frequency

Relative Attenuation vs. Control Voltage

Maximum Relative Attenuation vs. Frequency

Return Loss vs. Control Voltage @ 900 MHz

Input IP3 vs. Control Voltage

Input P1dB vs. Control Voltage

0

5

10

15

20

25

30

-3.0

-2.5

-2.0

-1.5

-1.0

-0.5

0.0

C o nt ro l Vo lt age (V)

50M Hz

500M Hz

0

5

10

15

20

25

30

35

-3.0

-2.5

-2.0

-1.5

-1.0

-0.5

0.0

C o nt ro l Vo lt age (V)

50M Hz

500M Hz

15

20

25

30

35

0.0

0.5

1.0

1.5

2.0

2.5

3.0

+25°C

-40°C

+85°C

Frequency (GHz)

0

1

2

3

4

0.0

0.5

1.0

1.5

2.0

2.5

3.0

+25°C

-40°C

+85°C

Frequency (GHz)

0

5

10

15

20

25

30

35

-3.0

-2.5

-2.0

-1.5

-1.0

-0.5

0.0

50 MHz

1 GHz

2.5 GHz

Control Voltage (V)

-25

-20

-15

-10

-5

0

-3.0

-2.5

-2.0

-1.5

-1.0

-0.5

0.0

Control Voltage (V)