E-Series RF 4:1 Transformer 2 - 2000 MHz ETK4-2T-SM49 V3.00 Features ● ● SM-49 4:1 Impedance Ratio CT on Secondary Specifications @ 25°C Frequency Range 2 - 2000 MHz Insertion Loss 5 - 300 MHz 3 - 550 MHz 2.5 - 750 MHz 2 - 1000 MHz 2 - 2000 MHz Maximum 1 dB 2 dB 3 dB 4 dB 5 dB Amplitude Balance 2 - 300 MHz Maximum 0.4 dB Amplitude Imbalance 2 - 1000 MHz 2 -2000 MHz Maximum 1 dB 3 dB Phase Imbalance 2-600 MHz 2-2000 MHz Maximum 10° 25° Schematic Dimensions in ( ) are in mm. Unless Otherwise Noted: .x = ±0.04 (1.00) .xx = ±0.02 (0.50) .xxx = ±0.010 (0.250) Pin Configuration Function Primary dot Primary Secondary dot Secondary Secondary CT Pin No. 5 4 1 3 2 Ordering Information Part No. ETK4-2T-SM49 Packaging Tube Absolute Maximum Ratings Parameter Absolute Maximum RF Power 250 mW DC Current 30 mA Operating/Storage Temperature -20°C to +85°C S 0983 A Specifications Subject to Change Without Notice. M/A-COM, Inc. North America: 1 Tel. (800) 366-2266 Fax (800) 618-8883 ■ Asia/Pacific: Tel. +81 (03) 3226-1671 Fax +81 (03) 3226-1451 ■ Europe: Tel. +44 (1344) 869 595 Fax +44 (1344) 300 020