ETC4-1-2

ETC4-1-2 E-Series RF 1:4 Flux Coupled Step-up Transformer 2.0 - 800 MHz Features • • • • Surface Mount 1:4 Impedance Ratio CT on Secondary Available on Tape & Reel SM-22 Package 0.050 (1.27) 0.030 (0.762) 0.150 (3.81) 0.030 (0.762) 0.150 (3.81) 0.150 MAX (3.81 MAX) 0.065 (1.65) 0.030 (0.762) 0.055 0.190 (1.397) (4.83) Description M/A-COM’s ETC4-1-2 is a 1:4 RF flux coupled step-up 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. 0.100 (2.54) 0.130 (3.30) 0.030 (0.762) Schematic Primary Dot 4 3 turns Primary 5 3 turns 3 Secondary Dot 3 turns 2 Secondary CT 3 turns 1 Secondary Electrical Specifications @25°C Parameter Frequency Range 2.0 - 800 Insertion Loss (fL - fU) 10 - 100 MHz 5.0 - 600 MHz 2.0 - 800 MHz Amplitude Unbalance 10 - 100 MHz 2.0 - 800 MHz Phase Unbalance 10 - 500 MHz 2.0 - 800 MHz Units MHz dB dB dB dB dB Degrees Degrees Nominal — — — — — — — — Maximum — 1.0 2.0 3.0 0.25 1.0 2.0 10 Mean (x) — — 1.21 — — — — — Sigma (σ) — — 0.032 — — — — — Note: Mean and Sigma calculated from average loss at @ 105 MHz. Please Note that the photograph above indicates typical package only, not actual unit. V2.00 S 0258 M ETC4-1-2 Absolute Maximum Ratings Parameter RF Power DC Current Operating Temperature Storage Temperature Absolute Maximum 250 mW 30 mA -40°C to +85°C -40°C to +85°C Functional Configuration Function Secondary Secondary CT Secondary Dot Primary Dot Primary Pin No. 1 2 3 4 5 Typical Performance Over Extended Bandwidth (30kHz - 1.0GHz) Insertion Loss Phase Unbalance Amplitude Unbalance Input Impedance 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. V2.00 S 0258 M