E-Series RF 1:4 Transformer — 2 - 1000 MHz ETK4-2T ETK4-2T E-Series RF 1:4 Transmission Line Step-up Transformer Features • • • • SM-22 Package Surface Mount 1:4 Impedance Ratio CT on Secondary Available on Tape & Reel /#: /#: Description M/A-COM’s ETK4-2T is a 1:4 RF transmission line step-up transformer in a low cost, surface mount package. Ideally suited for high volume applications. Schematic 1 Secondary Dot Primary Dot 5 2 Secondary CT Primary 4 3 Secondary Electrical Specifications @25°C Parameter Units Nominal Typical Minimum Maximum MHz — — — — Frequency Range 2 - 1000 Insertion Loss 5 - 250 MHz 3 - 500 MHz 2.5 - 700 MHz 2.0 -1000MHz dB dB dB dB — — — — — — — — — — — — 1.0 2.0 3.0 4.0 Amplitude Imbalance 2 - 300 MHz 300 - 1000 MHz dB dB — — — — — — 0.3 2.0 Phase Imbalance 2 - 300MHz 300 - 1000MHz Degrees Degrees — — — — — — 5.0 20 Please Note that the photograph above indicates typical package only, not actual unit. V3.00 M/A-COM Division of AMP Incorporated 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 AMP and Connecting at a Higher Level are trademarks. Specifications subject to change without notice. S 0967 D E-Series RF 1:4 Transformer — 2 - 1000 MHz Absolute Maximum Ratings ETK4-2T Functional Configuration Parameter Absolute Maximum Function Pin No. RF Power 250 mW Primary Dot 5 DC Current 30 mA Primary 4 Operating Temperature -40°C to +85°C Primary CT — Storage Temperature -55°C to 100°C Secondary Dot 1 Secondary 3 Secondary CT 2 Case Ground — Not Connected — Typical Performance @ +25°C Insertion Loss Amplitude Imbalance 0.0 0.20 -0.5 0.00 -1.0 -0.20 dB dB -1.5 -2.0 -2.5 -0.40 -0.60 -3.0 -0.80 -3.5 -4.0 2 2.0 200 202.0 400 402.0 600 602.0 800 802.0 1000 -1.00 2 2.0 200 202.0 400 402.0 600 602.0 800 802.0 1000 Frequency (MHz) Frequency (MHz) Phase Imbalance 200.0 195.0 190.0 Degrees 185.0 180.0 175.0 170.0 165.0 160.0 2 2.0 200 202.0 400 402.0 600 602.0 800 802.0 1000 Frequency (MHz) V3.00 M/A-COM Division of AMP Incorporated 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 AMP and Connecting at a Higher Level are trademarks. Specifications subject to change without notice. S 0967 D