E-Series RF 1:9 Transformer — 10 - 75 MHz ETC9-1T-5 E-Series 1:9 Transformer 10 - 75 MHz Features • • • ETC9-1T-5 SM-22 Package Surface Mount 1:9 Impedance Ratio CT on Secondary 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 M/A-COM’s ETC9-1T-5 is a 1:9 RF transmission line 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 Electrical Specifications @25°C Parameter Frequency Range Units Maximum Minimum Typical MHz — — — Insertion Loss (fL - fU) 10- 75 MHz dB 2.0 — 0.8 Amplitude Unbalance 10-75 MHz dB 1.0 — 0.1 Degrees 7° —– — dB 14 Phase Unbalance 10-75 MHz Return Loss 10-75 MHz — 20.50 S 0806 F 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. E-Series RF 1:9 Transformer — 10 - 75 MHz ETC9-1T-5 Functional Configuration Absolute Maximum Ratings Parameter Absolute Maximum Function Pin No. RF Power 250 mW Secondary Dot 1 DC Current 30 mA Secondary CT 2 Operating Temperature -20°C to +85°C Secondary 3 Storage Temperature -20°C to +85°C Primary 4 Primary Dot 5 Typical Performance @ 25°C Insertion Loss Phase Unbalance 190.00 1.00 185.00 Degrees 0.80 dB 0.60 180.00 0.40 175.00 0.20 170.00 10.00 0.00 10.00 23.00 36.00 49.00 62.00 23.00 75.00 36.00 49.00 62.00 75.00 62.00 75.00 Frequency (MHz) Frequency (MHz) Amplitude Unbalance Return Loss 0.00 0.00 -6.00 -0.02 -12.00 (dB) (dB) -0.04 -0.06 -18.00 -0.08 -24.00 -30.00 -0.10 10.00 23.00 36.00 49.00 62.00 75.00 (MHz) 10.00 23.00 36.00 49.00 (MHz) S 0806 F 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.