• 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.

2

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.

SOT-25

†

Parameter

Test Conditions

Units

Min.

Typ.

Max.

Insertion Loss

5

DC—2.0 GHz

dB

—

3.6

4.2

Attenuation

DC—1.0 GHz

1.0—2.0 GHz

dB

dB

23

18

25

20

—

—

Flatness

(Peak-to-Peak)

0.5—1.0 GHz

1.0—2.0 GHz

dB

dB

—

+ 7

+ 5

+ 10

+ 8

VSWR

DC—2.0 GHz

Ratio

—

3:1

—

Trise, Tfall

10% to 90% RF, 90% to 10% RF

nS

—

10

—

Ton, Toff

50% Control to 90% RF,50% Control to 10% RF

nS

—

20

—

Transients

In Band

mV

—

10

—

5. Insertion loss varies 0.003 dB/°C.

†

Meets JEDEC moisture sensitivity level 1 requirements.