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AT-113
3 Volt Voltage Variable Absorptive Attenuator 40 dB, 0.5 - 2.0 GHz
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 Rev. V6
Functional Schematic 3,4,5,6
8
7
6
5
Description
M/A-COM's AT-113 is a GaAs MMIC voltage variable absorptive attenuator in a low-cost SOIC 8lead 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.
3. 4. 5. 6. VCC = +3 VDC @ 50 A maximum. VC = 0 VDC to +3 VDC @ 50 A maximum. External DC blocking capacitors are required on all RF ports. 39 pF used for data measurements.
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2
3
4
Pin Configuration Ordering Information 1,2
Part Number AT-113 AT-113TR AT-113SMB Package Bulk Packaging Forward Tape and Reel Sample Board Pin No.
1 2 3 4
Function
Ground Ground RF Port VCC
Pin No.
5 6 7 8
Function
VC Ground RF Port Ground
1. Reference Application Note M513 for reel size information. 2. All sample boards include 5 loose parts.
Absolute Maximum Ratings 7
Parameter
Input Power Supply Voltage VCC Control Voltage VC Operating Temperature Storage Temperature
Absolute Maximum
+21 dBm -1 V < VCC < +8 V -1 V < VC < VCC + 0.5 V -40C to +85C -65C to +150C
7. Exceeding any one or combination of these limits may cause permanent damage to this device.
1
ADVANCED: Data Sheets contain information regarding a product M/A-COM Technology Solutions * North America Tel: 800.366.2266 / Fax: 978.366.2266 is considering for development. Performance is based on target specifications, simulated results, * Europe Tel: 44.1908.574.200 / Fax: 44.1908.574.300 and/or prototype measurements. Commitment to develop is not guaranteed. * Asia/Pacific Tel: 81.44.844.8296 / Fax: 81.44.844.8298 PRELIMINARY: Data Sheets contain information regarding a product M/A-COM Technology Visit www.macomtech.com for additional data sheets and product information. 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. M/A-COM Technology Solutions Inc. and its affiliates reserve the right to make Commitment to produce in volume is not guaranteed.
changes to the product(s) or information contained herein without notice.
AT-113
3 Volt Voltage Variable Absorptive Attenuator 40 dB, 0.5 - 2.0 GHz
Electrical Specifications8: TA = 25C, Z0 = 50
Parameter Insertion Loss Attenuation Flatness (Peak to Peak) VSWR Trise, Tfall Ton, Toff Transients Test Conditions 0.5 - 1.0 GHz 1.0 - 2.0 GHz 0.5 - 1.0 GHz 1.0 - 2.0 GHz 0.5 - 1.0 GHz 1.0 - 2.0 GHz -- 10% to 90% RF, 90% to 10% RF 50% Control to 90% RF, 50% Control to 10% RF In-band Units dB dB dB dB dB dB Ratio S S mV Min. -- -- 40 35 -- -- -- -- -- -- Typ. 2.7 3.0 -- -- 0.5 1.2 2:1 10 12 10 Max. 3.0 3.5 -- -- 0.8 1.5 -- -- -- --
Rev. V6
8. The RF ports must be blocked outside of the package from ground or any other voltage.
SOIC-8
Meets JEDEC moisture sensitivity level 1 requirements.
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.
2
ADVANCED: Data Sheets contain information regarding a product M/A-COM Technology Solutions * North America Tel: 800.366.2266 / Fax: 978.366.2266 is considering for development. Performance is based on target specifications, simulated results, * Europe Tel: 44.1908.574.200 / Fax: 44.1908.574.300 and/or prototype measurements. Commitment to develop is not guaranteed. * Asia/Pacific Tel: 81.44.844.8296 / Fax: 81.44.844.8298 PRELIMINARY: Data Sheets contain information regarding a product M/A-COM Technology Visit www.macomtech.com for additional data sheets and product information. 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. M/A-COM Technology Solutions Inc. and its affiliates reserve the right to make Commitment to produce in volume is not guaranteed.
changes to the product(s) or information contained herein without notice.
AT-113
3 Volt Voltage Variable Absorptive Attenuator 40 dB, 0.5 - 2.0 GHz
Typical Performance Curves @ 25C
Attenuation vs. Control Voltage
0
0.9 GHz 1.8 GHz 2.4 GHz
Rev. V6
Attenuation vs. Frequency @ 0V
0
-10
-10
-20
-20
-30
-30
-40
-40
-50 3.0 2.5 2.0 1.5 1.0 0.5 0.0
-50 0.5 1.0 1.5 2.0 2.5 3.0
Control Voltage (V)
Frequency (GHz)
Insertion Loss vs. Frequency
0.0 -0.5 -1.0
Return Loss vs. Control Voltage, F = 900 MHz
0
-5
S11 S22
-10
-1.5
-15
-2.0
-20
-2.5 -3.0 -3.5 0.5 1.0 1.5 2.0 2.5 3.0
-25
-30 3.0 2.5 2.0 1.5 1.0 0.5 0.0
Frequency (GHz)
Control Voltage (V)
1 dB Compression vs. Control Voltage
25
IP3 vs. Control Voltage
35 30 25
20
15 20 10 15 5
400 MHz 900 MHz 400 MHz 900 MHz
10 5 0 3.0
0
-5 3.0
2.5
2.0
1.5
1.0
0.5
0.0
2.5
2.0
1.5
1.0
0.5
0.0
Control Voltage (V)
Control Voltage (V)
3
ADVANCED: Data Sheets contain information regarding a product M/A-COM Technology Solutions * North America Tel: 800.366.2266 / Fax: 978.366.2266 is considering for development. Performance is based on target specifications, simulated results, * Europe Tel: 44.1908.574.200 / Fax: 44.1908.574.300 and/or prototype measurements. Commitment to develop is not guaranteed. * Asia/Pacific Tel: 81.44.844.8296 / Fax: 81.44.844.8298 PRELIMINARY: Data Sheets contain information regarding a product M/A-COM Technology Visit www.macomtech.com for additional data sheets and product information. 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. M/A-COM Technology Solutions Inc. and its affiliates reserve the right to make Commitment to produce in volume is not guaranteed.
changes to the product(s) or information contained herein without notice.
AT-113
3 Volt Voltage Variable Absorptive Attenuator 40 dB, 0.5 - 2.0 GHz
Typical Performance Curves
Attenuation vs. Temperature Normalized @ 25C, F = 900 MHz
3
Rev. V6
2
+85C -40C
1
0
-1
-2
-3 3.0
2.5
2.0
1.5
1.0
0.50
0.0
Control Voltage (V)
4
ADVANCED: Data Sheets contain information regarding a product M/A-COM Technology Solutions * North America Tel: 800.366.2266 / Fax: 978.366.2266 is considering for development. Performance is based on target specifications, simulated results, * Europe Tel: 44.1908.574.200 / Fax: 44.1908.574.300 and/or prototype measurements. Commitment to develop is not guaranteed. * Asia/Pacific Tel: 81.44.844.8296 / Fax: 81.44.844.8298 PRELIMINARY: Data Sheets contain information regarding a product M/A-COM Technology Visit www.macomtech.com for additional data sheets and product information. 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. M/A-COM Technology Solutions Inc. and its affiliates reserve the right to make Commitment to produce in volume is not guaranteed.
changes to the product(s) or information contained herein without notice.

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