3 Volt Voltage Variable Absorptive Attenuator 40 dB, 0.5-2.0 GHz Functional Schematic 1,2,3,4 Features • • • • • • AT-113 V5 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 8 7 6 5 1 2 3 4 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. 1. 2. 3. 4. VCC = +3 VDC @ 50 µA maximum. VC = 0 VDC to +3 VDC @ 50 µA maximum. External DC blocking capacitors are required on all RF ports. 39 pF used for data measurements. Pin Configuration Ordering Information Pin No. Function Pin No. Function 1 Ground 5 VC 2 Ground 6 Ground Part Number Package 3 RF Port 7 RF Port AT-113 SOIC 8-Lead Plastic Package 4 VCC 8 Ground AT-113TR Forward Tape and Reel Note: Reference Application Note M513 for reel size information. Absolute Maximum Ratings 5 Parameter Absolute Maximum Input Power +21 dBm Supply Voltage VCC -1 V < VCC < +8 V Control Voltage VC -1 V < VC < VCC + 0.5 V Operating Temperature -40°C to +85°C Storage Temperature -65°C to +150°C 5. Exceeding any one or combination of these limits may cause permanent damage to this device. 1 M/A-COM Inc. and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. M/A-COM makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does M/A-COM assume any liability whatsoever arising out of the use or application of any product(s) or information. • North America Tel: 800.366.2266 / Fax: 978.366.2266 • Europe Tel: 44.1908.574.200 / Fax: 44.1908.574.300 • Asia/Pacific Tel: 81.44.844.8296 / Fax: 81.44.844.8298 Visit www.macom.com for additional data sheets and product information. 3 Volt Voltage Variable Absorptive Attenuator 40 dB, 0.5-2.0 GHz AT-113 V5 Electrical Specifications6: TA = 25°C, Z0 = 50 Ω Parameter Test Conditions Units Min Typ Max Insertion Loss 0.5 - 1.0 GHz 1.0 - 2.0 GHz dB dB — — 2.7 3.0 3.0 3.5 Attenuation 0.5 - 1.0 GHz 1.0 - 2.0 GHz dB dB 40 35 — — — — Flatness (Peak to Peak) 0.5 - 1.0 GHz 1.0 - 2.0 GHz dB dB — — ± 0.5 ± 1.2 ± 0.8 ± 1.5 VSWR — Ratio — 2:1 — Trise, Tfall 10% to 90% RF, 90% to 10% RF µS — 10 — Ton, Toff 50% Control to 90% RF, 50% Control to 10% RF µS — 12 — Transients In-band mV — 10 — 6. The RF ports must be blocked outside of the package from ground or any other voltage. SOIC-8 2 M/A-COM Inc. and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. M/A-COM makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does M/A-COM assume any liability whatsoever arising out of the use or application of any product(s) or information. • North America Tel: 800.366.2266 / Fax: 978.366.2266 • Europe Tel: 44.1908.574.200 / Fax: 44.1908.574.300 • Asia/Pacific Tel: 81.44.844.8296 / Fax: 81.44.844.8298 Visit www.macom.com for additional data sheets and product information. 3 Volt Voltage Variable Absorptive Attenuator 40 dB, 0.5-2.0 GHz AT-113 V5 Typical Performance Curves @ 25°C Attenuation vs. Frequency @ 0V Attenuation vs. Control Voltage 0 0 0.9 GHz 1.8 GHz 2.4 GHz -10 -10 -20 -20 -30 -30 -40 -40 -50 -50 3.0 2.5 2.0 1.5 1.0 0.5 0.5 0.0 1.0 Control Voltage (V) 1.5 2.0 2.5 3.0 Frequency (GHz) Insertion Loss vs. Frequency Return Loss vs. Control Voltage F = 900 MHz 0.0 0 -0.5 -5 S11 S22 -1.0 -10 -1.5 -15 -2.0 -20 -2.5 -25 -3.0 -3.5 0.5 1.0 1.5 2.0 2.5 3.0 -30 3.0 2.5 Frequency (GHz) 2.0 1.5 1.0 0.5 0.0 0.5 0.0 Control Voltage (V) IP3 vs. Control Voltage 1 dB Compression vs. Control Voltage 25 35 20 30 25 15 20 10 15 5 400 MHz 900 MHz 10 0 -5 3.0 400 MHz 900 MHz 5 2.5 2.0 1.5 1.0 0.5 0.0 Control Voltage (V) 3 M/A-COM Inc. and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. M/A-COM makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does M/A-COM assume any liability whatsoever arising out of the use or application of any product(s) or information. 0 3.0 2.5 2.0 1.5 1.0 Control Voltage (V) • North America Tel: 800.366.2266 / Fax: 978.366.2266 • Europe Tel: 44.1908.574.200 / Fax: 44.1908.574.300 • Asia/Pacific Tel: 81.44.844.8296 / Fax: 81.44.844.8298 Visit www.macom.com for additional data sheets and product information. 3 Volt Voltage Variable Absorptive Attenuator 40 dB, 0.5-2.0 GHz AT-113 V5 Typical Performance Curves Attenuation vs. Temperature Normalized @ 25°C, F = 900 MHz 3 2 +85°C -40°C 1 0 -1 -2 -3 3.0 2.5 2.0 1.5 1.0 0.50 0.0 Control Voltage (V) 4 M/A-COM Inc. and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. M/A-COM makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does M/A-COM assume any liability whatsoever arising out of the use or application of any product(s) or information. • North America Tel: 800.366.2266 / Fax: 978.366.2266 • Europe Tel: 44.1908.574.200 / Fax: 44.1908.574.300 • Asia/Pacific Tel: 81.44.844.8296 / Fax: 81.44.844.8298 Visit www.macom.com for additional data sheets and product information.