ETC4-1 E-Series RF 1:4 Flux Coupled Step-up Transformer 1-350 MHz Features • • • • SM-22 Package Surface Mount 1:4 Impedance Ratio CT on Secondary Available on Tape & Reel 0.030 (0.762) 0.050 (1.27) 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 0.100 (2.54) M/A-COM’s ETC4-1 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. 0.130 (3.30) 0.030 (0.762) Schematic Primary 4 3 Secondary Dot 4 turns 4 turns 2 Secondary CT 4 turns Primary Dot 5 3 turns 1 Secondary Electrical Specifications @25°C Parameter Units Nominal Maximum Mean (x) Sigma (σ) MHz — — — — Insertion Loss (fL - fU) 5 - 100 MHz 2 - 300 MHz 1 - 350 MHz dB dB dB — — — 1.0 2.0 3.0 — 1.21 — — 0.032 — Amplitude Unbalance 5 - 100 MHz 1 - 350 MHz dB dB — — 0.1 0.5 — — — — Degrees Degrees — — 1.0 5.0 — — — — Frequency Range 1-350 Phase Unbalance 5 - 100 MHz 1 - 350 MHz Please Note that the photograph above indicates typical package only, not actual unit. M/A-COM n North America: Tel. (800) 366-2266, Fax (800) 618-8883 n Asia/Pacific: Tel.+85 2 2111 8088, Fax +85 2 2111 8087 n Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020 www.macom.com Specifications subject to change without notice. S 0180 H ETC4-1 Absolute Maximum Ratings Functional Configuration Parameter Absolute Maximum Function Pin No. RF Power 250 mW Secondary 1 DC Current 30 mA Secondary CT 2 Operating Temperature -20°C to +85°C Secondary Dot 3 Storage Temperature -20°C to +85°C Primary Dot 5 Primary 4 Typical Performance @ 25°C Insertion Loss Phase Unbalance 200.00 -0.32 194.00 -0.64 188.00 dB Degrees 0.00 -0.96 176.00 -1.28 170.00 -1.60 1.00 182.00 70.80 140.60 210.40 280.20 350.00 1.00 70.80 140.60 210.40 280.20 350.00 Frequency (MHz) Frequency (MHz) Amplitude Unbalance 0.21 0.16 dB 0.11 0.06 0.01 -0.04 1.00 70.80 140.60 210.40 280.20 350.00 Frequency (MHz) S 0180 H M/A-COM n North America: Tel. (800) 366-2266, Fax (800) 618-8883 n Asia/Pacific: Tel.+85 2 2111 8088, Fax +85 2 2111 8087 n Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020 www.macom.com Specifications subject to change without notice.