• 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.

1

3 Volt Voltage Variable Absorptive Attenuator

40 dB, 0.5 - 2.0 GHz

Rev. V6

AT-113

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.

Features

• Single Positive Voltage Control: 0 to +3 Volts

• 40 dB Attenuation Range at 0.9 GHz

• ± 2 dB Linearity from BSL

• Low DC Power Consumption

• SOIC-8 Plastic Package

• Tape and Reel Packaging Available

Description

M/A-COM’s AT-113 is a GaAs MMIC voltage

variable absorptive attenuator in a low-cost SOIC 8-

lead surface mount plastic package. The AT-113 is

ideally suited for use where linear attenuation fine

tuning

and

very

low

power

consumption

are

required.

Typical applications include radio, cellular, GPS

equipment and automatic gain/level control circuits.

The AT-113 is fabricated with a monolithic GaAs

MMIC using a mature 1-micron process. The

process features full chip passivation for increased

performance and reliability.

Functional Schematic

3,4,5,6

Pin Configuration

3. VCC = +3 VDC @ 50 µA maximum.

4. VC = 0 VDC to +3 VDC @ 50 µA maximum.

5. External DC blocking capacitors are required on all RF ports.

6. 39 pF used for data measurements.

Pin No.

Function

Pin No.

Function

1

Ground

5

2

Ground

6

Ground

3

RF Port

7

RF Port

4

8

Ground

Absolute Maximum Ratings

7

Parameter

Absolute Maximum

Input Power

+21 dBm

Operating Temperature

-40°C to +85°C

Storage Temperature

-65°C to +150°C

Part Number

Package

AT-113

Bulk Packaging

AT-113TR

Forward Tape and Reel

AT-113SMB

Sample Board

7. Exceeding any one or combination of these limits may cause

permanent damage to this device.

7

6

5

8

1

2

3

4

Ordering Information

1,2

1. Reference Application Note M513 for reel size information.

2. All sample boards include 5 loose parts.