E-Series RF 4:1 Transformer 0.5 – 350 MHz ET4-1-SM1 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 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. E-Series RF 4:1 Transformer 0.5 – 350 MHz Pin Configuration ET4-1-SM1 V1 Schematic Pin No. Function 1 Secondary 2 Secondary CT 3 Secondary Dot 4 Primary Dot 5 Not Connected 6 Primary 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.