ET4-1-SM1 E-Series RF 4:1 Transformer 0.5 – 350 MHz V1 Features • • • • SM - 1 Package 4:1 Impedance Ratio CT on Secondary Surface Mount Tape and reel packaging available Description M/A-COM’s ET4-1-SM1 is a 4:1 RF transformer in a low cost, surface mount package. Ideally suited for high volume cellular and wireless applications. Typical applications include single to balanced mode conversion and impedance matching. Parts are packaged in tape & reel. Electrical Specifications: TA = 25°C, Z0 = 50Ω 1 Parameter Test Conditions Frequency Units Min Typ Max RF Frequency — 0.5 - 350 MHz — — — Insertion Loss FL—fU 0.5 - 350 2.0 - 100 dB dB — — — — 3.0 1.0 Amplitude Imbalance FL—fU 0.5 - 350 2.0 - 100 dB dB — — — — 1.0 0.1 Phase Imbalance FL—fU 0.5 - 350 2.0 - 100 Degrees Degrees — — — — 5° 1° Absolute Maximum Ratings 1 Ordering Information Parameter Absolute Maximum Part Number Package RF Power 250 mW ET4-1-SM1TR Tape and Reel (900 piece Reel) DC Current 30 mA Operating Temperature -40°C to +85°C Storage Temperature -55°C to +125°C 1. Operation of this device above any one of these parameters may cause permanent damage. 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 changes to Commitment to produce in volume is not guaranteed. the product(s) or information contained herein without notice. ET4-1-SM1 E-Series RF 4:1 Transformer 0.5 – 350 MHz Pin Configuration 2 V1 Schematic Pin No. Function 1 Secondary 2 Secondary CT 3 Secondary Dot 4 Primary Dot 5 Not Connected 6 Primary 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 changes to Commitment to produce in volume is not guaranteed. the product(s) or information contained herein without notice.