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| AT-110 Voltage Variable Absorptive Attenuator 30 dB, 0.5 - 2.0 GHz Features * * * * * * * * Single Positive Voltage Control: 0 to +5 Volts 30 dB Voltage Variable Attenuation 2 dB Linearity from BSL Low DC Power Consumption Temperature Range: -40C to +85C SOIC-8 Plastic Package Tape and Reel Packaging Available Fast Switching Speed Rev. V5 Functional Schematic 3,4,5 8 7 6 5 Description M/A-COM's AT-110 is a GaAs MMIC voltage variable absorptive attenuator in a low-cost SOIC 8lead surface mount plastic package. The AT-110 has a faster switching speed than the AT-108 or AT-109. The AT-110 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-110 is fabricated with a monolithic GaAs MMIC using a mature 1-micron process. The process features full chip passivation for increased performance and reliability. 1 2 3 4 3. VCC = +5 VDC 0.5 VDC @ 300 A maximum. 4. VC = 0 VDC to +5 VDC @ 6 mA maximum. 5. External DC blocking capacitors are required on all RF ports. Pin Configuration Pin No. 1 2 3 Function Ground Ground RF Port VCC Pin No. 5 6 7 8 Function VC Ground RF Port Ground Ordering Information 1,2 Part Number AT-110 AT-110TR AT-110SMB Package Bulk Packaging Forward Tape and Reel Sample Board 4 Absolute Maximum Ratings 6 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 1. Reference Application Note M513 for reel size information. 2. All sample boards include 5 loose parts. 6. 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-110 Voltage Variable Absorptive Attenuator 30 dB, 0.5 - 2.0 GHz Electrical Specifications 7: 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. -- -- 30 25 -- -- -- -- -- -- Typ. 2.8 3.3 -- -- 0.5 1.2 2:1 0.2 0.2 70 Max. 3.0 3.6 -- -- 0.8 1.5 -- -- -- -- Rev. V5 7. 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-110 Voltage Variable Absorptive Attenuator 30 dB, 0.5 - 2.0 GHz Typical Performance Curves @ 25C Attenuation vs. Control Voltage F = 900, 1800 MHz 0 Rev. V5 Attenuation vs. Temperature Normalized to +25C , F = 900 MHz 3 -40C 1800 900 2 +85C -10 1 -20 0 -1 -30 -2 -40 5 4 3 2 1 0 -3 5 4 3 2 1 0 Control Voltage (V) Control Voltage (V) Insertion Loss vs. Frequency 4 Return Loss vs. Control Voltage, F = 900 MHz 0 3 -10 2 -20 1 -30 0 0.5 -40 1.0 1.5 2.0 5 4 3 2 1 0 Frequency (GHz) Control Voltage (V) 1 dB Compression vs. Control Voltage, F = 900 MHz 40 IP3 vs. Control Voltage 40 30 30 20 20 400 MHz 900 MHz 10 10 0 5 4 3 2 1 0 0 5 4 3 2 1 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. |
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