AT-119 datasheet(2/5 Pages) MA-COM

2 / 5 page

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2.25 Volt Voltage Variable Absorptive Attenuator

42 dB, 1.8 - 2.5 GHz

Rev. V9

AT-119

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.

Electrical Specifications: TA = 25°C, Frequency = 2.4 GHz, VCC = 3.3 V, Z0 = 50 Ω

Parameter

Test Conditions

4,5

Units

Min.

Typ.

Max.

Insertion Loss

VCTL = 2.25 V

—

2.4

3.2

Maximum Attenuation

VCTL = 0.5 V

—

Attenuation Slope

0.75 V < VCTL < 1.75 V

dB/V

—

Return Loss

0.0 V < VCTL < 0.75 V

0.75 V < VCTL < 1.75 V

1.75 V < VCTL < 2.25 V

—

Input Power for 1dB Change in Attenuation

0.75 V < VCTL < 2.25 V

dBm

—

Input 3rd Order Intercept Point

0.75 V < VCTL < 2.25 V

dBm

—

Switching Speed

50% VCTL to 10% / 90% RF

—

100

—

Transients

VCTL = 3 V, In-Band

—

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

5. VCC = +3.3 V @ 50 µA typical. VCTL = 0 V to +2.25 V @ 50 µA typical.

Application Schematic

RF IN/

OUT

RF IN/

OUT

VCC

V control

100 pF

220 pF

15 pF

RF IN/

OUT

RF IN/

OUT

VCC

V control

100 pF

220 pF

15 pF

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.

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