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AT-108TR Datasheet(PDF) 1 Page - Tyco Electronics |
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AT-108TR Datasheet(HTML) 1 Page - Tyco Electronics |
1 / 3 page Features • Single Positive Voltage Control 0 to +5 Volts • 40 dB Attenuation Range at 900 MHZ GHz • ± 2 dB Linearity from BSL • Low DC Power Consumption • Low-Cost SOIC-8 Plastic Package • Tape and Reel Packaging Available SOIC-8 1 Electrical Specifications: TA = 25°C 1==== Description M/A-COM’s AT-108 is a GaAs, MESFET MMIC voltage variable absorptive attenuator in a low cost SOIC-8 lead surface mount plastic package. The AT-108 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-108 is fabricated with a monolithic GaAs MMIC using a mature 1-micron process. The process features full chip passivation for increased performance and reliability. Ordering Information Part Number Package AT-108 SOIC-8 Lead Plastic Package AT-108TR Forward Tape and Reel 1 AT-108RTR Reverse Tape and Reel 1 Parameter Test Conditions 1 Units Min. Typ. Max. Insertion Loss 0.5 - 1.0 GHz dB 2.5 2.7 1.0 - 3.0 GHz dB 3.2 3.5 Attenuation 0.5 - 1.0 GHz dB 40 1.0 - 2.0 GHz dB 35 2.0 - 3.0 GHz dB 28 Flatness 0.5 - 1.0 GHz dB ±0.5 ±0.8 (Peak-to-Peak) 1.0 - 2.0 GHz dB ±1.2 ±1.5 2.0 - 3.0 GHz dB ±1.5 ±1.8 VSWR 0.5 - 3.0 GHz 2:1 Trise, Tfall 10% to 90% RF, 90% to 10% RF µs 15 Ton, Toff 50% Control to 90% RF, Control to 10% RF µs 25 Transients In-band mV 12 1. All measurements in a 50 Ω system. 1. If specific reel size is required, consult factory for part number assignment. (.19/.25) CHAMFER (OPTIONAL ) (0.40/1.27) .016/.050 0°/80° -B- BSC. -C- -A- .010(.25) C A B M M S .050(1.27) Oreintation Mark .1497/.1574 (3.80/4.00) M M B .010(.25) .2284/.2440 (5.80/6.20) .0532/.0688 (1.35/1.75) .004(0.10) .0075/.0098 PIN 8 PIN 1 .013/.020 (8 PL) (.33/.51) .0040/.0098 (.10/.25) .1890/.1968 (4.80/5.00) 1. Dimensions are in inches/mm. AT-108 Voltage Variable Absorptive Attenuator Voltage Variable Absorptive Attenuator Voltage Variable Absorptive Attenuator Voltage Variable Absorptive Attenuator 40 dB, 0.5 40 dB, 0.5 40 dB, 0.5 40 dB, 0.5— — — —3.0 GHz 3.0 GHz 3.0 GHz 3.0 GHz 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 Specifications subject to change without notice. Visit www.macom.com for additional data sheets and product information. V 4.0 |
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