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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 Low Cost SOIC-8 Plastic Package Tape and Reel Packaging Available SOIC-81 PIN 8 Oreintation Mark .1497/.1574 (3.80/4.00) -B- .2284/.2440 (5.80/6.20) M .010(.25) B M PIN 1 .1890/.1968 (4.80/5.00) -A- 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. .0532/.0688 (1.35/1.75) .004 (0.10) BSC. .050 (1.27) .0040/.0098 (.10/.25) -C- CHAMFER (OPTIONAL ) 0/80 .013/.020 (8 (.33/.51) PL) M .010(.25) C A M B S .016/.050 (0.40/1.27) .0075/.0098 (.19/.25) 1. Dimensions are in inches/mm. Ordering Information Part Number AT-113 AT-113TR Package SOIC-8 Lead Plastic Forward Tape and Reel1 1. If specific reel size is required, consult factory for part number assignment. Electrical Specifications: TA = +25C1= Parameter Insertion Loss Attenuation Insertion Loss Flatness (Peak-to-Peak) VSWR Trise, Tfall Ton, Toff Transients 1. 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, Control to 10% RF In-band Units dB dB dB dB dB dB S S mV Min. Typ. 2.7 3.0 Max. 3.0 3.5 40 35 0.5 1.2 2:1 10 12 10 0.8 1.5 All measurements at 1 GHz in a 50 system unless otherwise specified. The RF ports must be blocked out side of the package from ground or any other voltage. Specifications subject to change without notice. North America: Tel. (800) 366-2266, Fax (800) 618-8883 Asia/Pacific: Tel.+81-44-844-8296, Fax +81-44-844-8298 Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020 Visit www.macom.com for additional data sheets and product information. V 3.0 1 3 Volt Voltage Variable Absorptive Attenuator, 40 dB, 0.5 - 2.0 GHz Absolute Maximum Ratings1 Parameter Maximum Input Power Supply Voltage VCC Control Voltage VC Operating Temperature Storage Temperature 1. AT-113 Functional Schematic1, 2, 3 +21 dBm -1V, +8V -1V, VCC +0.5V -40C to +85C -65C to +150C 1 GND 2 GND 3 RF 4 Vcc GND 8 RF 7 GND 6 Vc 5 Absolute Maximum Exceeding any one or a combination of these limits may cause permanent damage. 1. 2. 3. 4. VCC = +3 VDC @ 50 A max. VC = 0 VDC to +3 VDC @ 50 A max. External DC blocking capacitors are required on all RF ports. 39pF used for data measurements. Typical Performance Curves Attenuation vs. Control Voltage @ +25C 0 -5 -10 -15 -20 -25 -30 -35 -40 -45 2.8 2.4 2 ATTENUATION (dB) 2.4 GHz 1.8 GHz Insertion Loss vs. Frequency @ +25C 0 -0.5 LOSS (dB) -1 -1.5 -2 -2.5 -3 -3.5 0.9 GHz 1.6 1.2 0.8 0.4 0 0.4 0.9 1.4 2.0 2.5 3.0 CONTROL VOLTAGE (VOLTS) FREQUENCY (GHz) Attenuation vs. Frequency @ 0V, +25C 0 -5 -10 -15 -20 -25 -30 -35 -40 -45 0.4 0.9 1.4 2.0 2.5 3.0 3 ATTENUATION DELTA (dB) Attenuation vs. Temperature, Normalized to +25C, f = 900 MHz - 40C 2 1 0 -1 -2 + 85C -3 2.8 2.4 2 1.6 1.2 0.8 0.4 0 ATTENUATION (dB) FREQUENCY (GHz) Specifications subject to change without notice. North America: Tel. (800) 366-2266, Fax (800) 618-8883 Asia/Pacific: Tel.+81-44-844-8296, Fax +81-44-844-8298 Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020 Visit www.macom.com for additional data sheets and product information. C O N TR O L V O LTA G E (V O LT S) V 3.0 2 3 Volt Voltage Variable Absorptive Attenuator, 40 dB, 0.5 - 2.0 GHz Typical Performance Curves (Cont'd) Return Loss vs. Control Voltage @ +25C, f = 900 MHz COMPRESSION POINT (dBm) AT-113 0 RETURN LOSS (dB) -5 S 11 -10 -15 -20 -25 S22 -30 0 0.4 0.8 1.2 1.6 2 2.4 2.8 25 20 15 10 5 0 -5 1 dB Compression vs. Control Voltage @ +25C, f = 900 MHz 900 MHz 400 MHz 2.8 2.4 2 1.6 1.2 0.8 0.4 0 FR E Q U EN C Y (G H z) CONTROL VOLTAGE (volts) IP3 vs. Control Voltage 35 30 IP3 (dBm) 25 20 15 10 5 0 3 2.6 2.2 1.8 1.4 1 0.6 0.2 400 MHz 900 MHz CONTROL VOLTAGE (volts) Specifications subject to change without notice. North America: Tel. (800) 366-2266, Fax (800) 618-8883 Asia/Pacific: Tel.+81-44-844-8296, Fax +81-44-844-8298 Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020 Visit www.macom.com for additional data sheets and product information. V 3.0 3 |
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