TFS420A

The TFS420A 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: 210 || -5.38 pF;(6)Terminating impedances output: 174 || -3.99 pF.

The TFS420A electrical characteristics of this device can be summarized as:(1)Insertion Loss (Reference level): 21.5 dB to max. 24.0 dB;(2)Nominal Frequency: 420.0 MHz;(3)centre frequency: 420.03 MHz;(4)Pass Band Ripple: fN - 4,1 MHz to fN + 4,1 MHz;(5)Group delay ripple: 40 ns to 60 ns;(6)Operating Temperature Range: -20 °C to +75 °C;(7)Input power level: +10 dBm;(8)Temperature coefficient of frequency: -0.050;(9)Storage temperature range: -40 °C to +85 °C;(10)Average group delay in pass band: 0.630 us;(11)Frequency inversion temperature: +30 °C. If you want to know more information about the TFS420A, please download the datasheet in www.seekic.com or www.chinaicmart.com .