MABAES0040 E-Series RF 2:1 Flux Coupled Transformer 1.0 - 350 MHz Features • • • • SM-138 Package Surface Mount 2:1 Impedance Ratio CT on Secondary Available on Tape & Reel Description M/A-COM’s MABAES0040 is a 2:1 RF flux coupled 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. Schematic Primary Dot 5 1 Secondary Dot 2 Secondary CT 3 turns Primary 4 3 Secondary Electrical Specifications @25°C Parameter Units Nominal Maximum Minimum Typical Frequency Range 1.0 - 350 MHz — — — — Insertion Loss 1- 150 MHz 150 - 250 MHz 250 - 350 MHz dB dB dB — — — 1.0 2.0 3.0 — — — 0.7 1.6 2.6 Amplitude Unbalance 1 - 150 MHz 150 - 250 MHz 250 - 350 MHz dB dB dB — — — 0.5 1.0 2.0 — — — 0.3 0.7 1.5 Degrees Degrees — — 5 12 — — 2.5 8 Phase Unbalance 1 - 250 MHz 250 - 350 MHz V1.00 Please Note that the photograph above indicates typical package only, not actual unit. MABAES0040 Functional Configuration Absolute Maximum Ratings Parameter Absolute Maximum Function Pin No. RF Power 250 mW Secondary 3 DC Current 30 mA Secondary CT 2 Operating Temperature -40°C to +85°C Secondary Dot 1 Storage Temperature -40°C to +85°C Primary Dot 5 Primary 4 Typical Performance Insertion Loss Phase Unbalance 200.0 0.0 195.0 -0.5 190.0 185.0 dB dB -1.0 -1.5 180.0 175.0 -2.0 170.0 -2.5 165.0 -3.0 160.0 1 59 117 175 233 292 350 Frequency (MHz) 1 59 117 175 233 292 350 Frequency (MHz) Amplitude Unbalance 2.0 1.5 dB 1.0 0.5 0.0 -0.5 1 59 117 175 233 292 350 Frequency (MHz) Note: All measurements performed on Hewlett Packard 8753D Network Analyzer (201 sample points, linear scale) in a 50 ohm coplanar waveguide environment. Tables created using MDS software. V1.00