AT65-0009 Voltage Variable Attenuator 824 - 960 MHz Rev. V3 Features • • • • • • 25 dB Attenuation Range High IP3 Excellent Linearity Performance Low Cost/High Performance 50 Ohm Nominal Impedance SOT-25 Package Functional Diagram and Bias Circuitry GND GND Description M/A-COM’s AT65-0009 is an integrated voltage variable attenuator containing two PIN diodes and a passive glass quadrature hybrid. This device is packaged in a 5 leaded SOT plastic surface mount package. Maximum attenuation is typically achieved at 3.5 V bias using the suggested bias circuit. The AT65-0009 is ideally suited for GSM communication applications requiring variable attenuation in the 824 to 960 MHz bandwidth. GND PIN 1 PIN 3 C5 C6 L1 L2 C1 RF IN C4 C2 RF OUT C3 R1 VB Pin Configuration Pin No. Function 1 RFIN, VB 2 GND 3 RFOUT, VB 4 GND 5 GND Ordering Information Part Number Package AT65-0009 Bulk Packaging AT65-0009TR 1000 piece reel AT65-0009-TB Sample Test Board Note: Reference Application Note M513 for reel size information. External Circuitry Parts 1 Part Value Purpose C1 C2 C3 C4 L1 L2 R1 C52 C62 390 pF 390 pF 390 pF 390 pF 180 nH 180 nH 10 KOhm 1.5 pF 1.5 pF DC Block DC Block By-pass By-pass RF Choke RF Choke Current Limiting RF Tune RF Tune 1. All external circuitry parts are readily available, low cost surface mount components (.060 in. x .030 in. or .080 in. x .050 in.). 2. See Application Note MA-C-05010008A for external tuning capacitor values to suit specific Communication Bandwidths. Insertion Loss will vary depending on tuning capacitor value chosen. 1 ADVANCED: Data Sheets contain information regarding a product M/A-COM Technology Solutions • North America Tel: 800.366.2266 • Europe Tel: +353.21.244.6400 is considering for development. Performance is based on target specifications, simulated results, • India Tel: +91.80.4155721 • China Tel: +86.21.2407.1588 and/or prototype measurements. Commitment to develop is not guaranteed. Visit www.macomtech.com for additional data sheets and product information. PRELIMINARY: Data Sheets contain information regarding a product M/A-COM Technology 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. AT65-0009 Voltage Variable Attenuator 824 - 960 MHz Rev. V3 Electrical Specifications: TA = 25°C, Z0 = 50Ω, F = 824 to 960 MHz Parameter Test Conditions Units Min Typ Max Insertion Loss VB = 0 V dB — 1.7 2.1 Ratio — 1.7 2.2 VSWR Attenuation Flatness vs. Frequency 0 - 10 dB 0 - 20 dB 0 - 30 dB dB dB dB — — — 1.3 1.3 2.5 — — — Switching Speed 50% control to 90%/10% RF usec — 7.0 — Input IP3 Two Tones 900 MHz, 905 MHz, +5 dBm VB = 0 V dBm — 40 — Input IP2 Two Tones 900 MHz, 905 MHz, +5 dBm VB = 0 V dBm — 34 — Attenuation IB = 0.30 to 0.45 mA dB 25 28 — Absolute Maximum Ratings 3,4 3. 4. Parameter Absolute Maximum Max Input Power +27 dBm Operating Voltage +5 V Operating Temperature -40°C to +85°C Storage Temperature -65°C to +125°C Recommended PCB Configuration5 Exceeding any one or combination of these limits may cause permanent damage to this device. M/A-COM does not recommend sustained operation near these survivability limits. Handling Procedures Please observe the following precautions to avoid damage: Static Sensitivity GMIC 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. 5. Circuit Material = FR-406, 0.031 inches thick. Line Width = 0.025 inches, Line Spacing = 0.0056 inches. 2 ADVANCED: Data Sheets contain information regarding a product M/A-COM Technology Solutions • North America Tel: 800.366.2266 • Europe Tel: +353.21.244.6400 is considering for development. Performance is based on target specifications, simulated results, • India Tel: +91.80.4155721 • China Tel: +86.21.2407.1588 and/or prototype measurements. Commitment to develop is not guaranteed. Visit www.macomtech.com for additional data sheets and product information. PRELIMINARY: Data Sheets contain information regarding a product M/A-COM Technology 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. AT65-0009 Voltage Variable Attenuator 824 - 960 MHz Rev. V3 Typical Performance Curves Attenuation vs. Voltage with 1.5 pF Tuning Cap @ +25°C Attenuation vs. Freq. With 1.5 pF Tuning Cap @ +25°C 35 Attenuation (dB) Attenuatio n (dB) 35 30 25 20 15 10 5 0 0.0 1.0 2.0 3.0 30 25 20 15 10 5 0 820 4.0 840 860 880 900 920 940 960 Fre que ncy (MHz) VB (Volts) Attenuation vs. Voltage with 1.5 pF Tuning Cap @ +85°C Attenuation vs. Freq. With 1.5 pF Tuning Cap @ +85°C 35 25 30 Attenuation (dB) A ttenua tio n (dB) 35 30 20 15 10 5 0 0.0 1.0 2.0 3.0 4.0 25 20 15 10 5 0 820 VB (Volts) 840 860 880 900 920 940 960 Frequency (MHz) Attenuation vs. Voltage with 1.5 pF Tuning Cap @ -40°C Attenuation vs. Freq. With 1.5 pF Tuning Cap @ -40°C 35 30 30 Attenuation (dB) Attenua tio n (dB) 35 25 20 15 10 5 25 20 15 10 5 0 0.0 1.0 2.0 VB (Volts) 3.0 4.0 0 820 840 860 880 900 920 940 960 Fre que ncy (MHz ) 3 ADVANCED: Data Sheets contain information regarding a product M/A-COM Technology Solutions • North America Tel: 800.366.2266 • Europe Tel: +353.21.244.6400 is considering for development. Performance is based on target specifications, simulated results, • India Tel: +91.80.4155721 • China Tel: +86.21.2407.1588 and/or prototype measurements. Commitment to develop is not guaranteed. Visit www.macomtech.com for additional data sheets and product information. PRELIMINARY: Data Sheets contain information regarding a product M/A-COM Technology 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. AT65-0009 Voltage Variable Attenuator 824 - 960 MHz Rev. V3 Typical Performance Curves Loss vs. Frequency @ +25°C No Tuning Cap (See Note 2) VSWR vs. Freq. With 1.5 pF Tuning Cap @ +25°C IL 5d B 10 d B 16 d B 3 0 dB 2.5 Insertion Loss (dB) 2.0 VSWR 2.0 1.5 1.8 1.6 1.4 1.2 1.0 1.0 820 855 890 925 820 960 840 Fre que ncy (MHz ) 5d B 10 d B 880 900 920 940 960 940 960 940 960 Frequency (MHz) VSWR vs. Freq. With 1.5 pF Tuning Cap @ +85°C IL 860 16 d B Loss vs. Frequency @ +85°C No Tuning Cap (See Note 2) 2.0 3 0 dB Insertion Loss (dB) 2.5 VSWR 2.0 1.5 1.8 1.6 1.4 1.2 1.0 820 1.0 820 855 890 925 840 860 880 900 920 Frequency (MHz) 960 Frequency (MHz) VSWR vs. Freq. With 1.5 pF Tuning Cap @ -40°C IL 5d B 10 d B Loss vs. Frequency @ -40°C No Tuning Cap (See Note 2) 16 d B and 3 0 d B 2.0 Insertion Loss (dB) 2.5 VSWR 2.0 1.5 1.0 820 1.8 1.6 1.4 1.2 1.0 855 890 Frequency (MHz) 925 960 820 840 860 880 900 920 Frequency (MHz) 4 ADVANCED: Data Sheets contain information regarding a product M/A-COM Technology Solutions • North America Tel: 800.366.2266 • Europe Tel: +353.21.244.6400 is considering for development. Performance is based on target specifications, simulated results, • India Tel: +91.80.4155721 • China Tel: +86.21.2407.1588 and/or prototype measurements. Commitment to develop is not guaranteed. Visit www.macomtech.com for additional data sheets and product information. PRELIMINARY: Data Sheets contain information regarding a product M/A-COM Technology 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. AT65-0009 Voltage Variable Attenuator 824 - 960 MHz Rev. V3 SOT-25† † Reference Application Note M538 for lead-free solder reflow recommendations. 5 ADVANCED: Data Sheets contain information regarding a product M/A-COM Technology Solutions • North America Tel: 800.366.2266 • Europe Tel: +353.21.244.6400 is considering for development. Performance is based on target specifications, simulated results, • India Tel: +91.80.4155721 • China Tel: +86.21.2407.1588 and/or prototype measurements. Commitment to develop is not guaranteed. Visit www.macomtech.com for additional data sheets and product information. PRELIMINARY: Data Sheets contain information regarding a product M/A-COM Technology 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.