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

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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.

Digital Attenuator

15.0 dB, 4-Bit, TTL Driver, DC-3.0 GHz

M/A-COM Products

Rev. 5

MAATCC0008

Handling Procedures

Please observe the following precautions to avoid

damage:

Static Sensitivity

Gallium Arsenide Integrated Circuits are sensitive

to electrostatic discharge (ESD) and can be

damaged by static electricity. Proper ESD control

techniques should be used when handling these

devices.

Truth Table (Digital Attenuator)

C1

C2

C3

C4

Attenuation

0

0

0

0

Loss, Reference

1

0

0

0

1.0 dB

0

1

0

0

2.0 dB

0

0

1

0

4.0 dB

0

0

0

1

8.0 dB

1

1

1

1

15.0 dB

0 = TTL Low; 1 = TTL High

Typical Performance Curves

Reference Loss vs. Frequency

Attenuation - 1 dB Bit vs. Frequency

Attenuation - 2 dB Bit vs. Frequency

Attenuation - 4 dB Bit vs. Frequency

0.0

1.0

2.0

3.0

4.0

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

Frequency (GHz)

85ºC

25ºC

-40ºC

0.8

0.9

1.0

1.1

1.2

1.3

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

Frequency (GHz)

85ºC

25ºC

-40ºC

1.8

2.0

2.2

2.4

2.6

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

Frequency (GHz)

85ºC

25ºC

-40ºC

3.8

4.0

4.2

4.4

4.6

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

Frequency (GHz)

85ºC

25ºC

-40ºC