TFS225E

The TFS225E is designed as one kind of VI telefilter. The measurement condition of this device are:(1)Ambient Temperature: 23 °C;(2)Input Power Level: 0 dBm;(3)Source impedance: 50 ;(4)Load impedance: 50 ;(5)Terminating impedances input: 940 || -5.7 pF;(6)Terminating impedances output: 940 || -5.7 pF;(7)external coil: 89 nH.

The electrical characteristics of this TFS225E can be summarized as:(1)Insertion Loss (Reference level): 4.5 dB to max. 8.0 dB;(2)Nominal Frequency: 225.0 MHz;(3)centre frequency: 225 MHz;(4)Pass Band Ripple: 1.5 dB;(5)Group delay ripple: 85 ns to 350 ns;(6)Operating Temperature Range: -20 °C to +80 °C;(7)Input power level: +10 dBm;(8)VSWR: 12 dB to 16 dB;(9)Storage temperature range: -30 °C to +85 °C;(10)Temperature coefficient: - 0.04 ppm/K;(11)Frequency inversion temperature: +35 °C. If you want to know more information about the TFS225E, please download the datasheet in www.seekic.com or www.chinaicmart.com .