* 9 Impedance Ratio * CT on Secondary ETC9-1T-2 SM-22 Specifications @ 25°C Frequency Range Insertion Loss 12 - 50 MHz 5 - 50 MHz 5 - 50 MHz Maximum 1.25 dB 1.5 dB Amplitude Imbalance 5 - 50 MHz Phase Imbalance 5 - 50 MHz Maximum 0.3 dB Maximum 5° Schematic Absolute Maximum Ratings Parameter .