E-Series RF 4:1 Transformer 0.2 - 350 MHz ETMO4-1 V3.00 Features ● ● R-7 4:1 Impedance Ratio CT on Secondary Specifications @ 25°C Frequency Range 0.2 - 350 MHz Insertion Loss 0.2 - 350 MHz 0.35 - 300 MHz 2.0 - 100 MHz Maximum 3 dB 2 dB 1 dB Amplitude Imbalance 2 - 100 MHz 0.2 - 350 MHz Maximum 0.1 dB 0.5 dB Phase Imbalance 2 - 100 MHz 0.2 - 350 MHz Maximum 1° 5° Schematic PRI SEC Dimensions in ( ) are in mm. Unless Otherwise Noted: .x = ±0.04 (1.00) .xx = ±0.02 (0.50) .xxx = ±0.010 (0.250) Ordering Information Part No. ETMO4-1 Packaging Tube Pin Configuration Function Absolute Maximum Ratings Parameter RF Power DC Current Operating/Storage Temp. Absolute Maximum 250 mW 30 mA -20°C to +85°C Pin No. Primary dot 1 Primary 5 Secondary dot 2 Secondary 6 Secondary CT 4 Case Ground 7 Not Connected 3,8 S 0416 C 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