TFS140

The TFS140 is produced by the 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: 1177 || -6,17 pF;(6)Terminating impedances output: 1330 || -5.33 pF. Reference level for the relative attenuation arel of the TFS 140 is the minimum of the pass band attenuation amin.

The electrical characteristics of this device can be summarized as:(1)Insertion Loss (Reference level): 22.5 dB to max. 24 dB;(2)Centre frequency at ambient temperature: 140,01 MHz;(3)Pass band: fC to fC ± 3.0 MHz;(4)Amplitude ripple ( pp ): 0.5 dB to 1.0 dB;(6)Operating Temperature Range: -25 °C to +80 °C;(7)Input power level: max. +20 dBm;(8)Group delay ( mean value in PB ): 1.84 us to 2.0 us;(9)Group delay ripple in PB: 50 ns to 80 ns;(10)Deviation from linear phase in PB (p-p): 4 to 4,5 °(r.m.s. 1,3°);(11)VSWR (S11) in PB: (2:1) / (2:1);(12)Triple transit attenuation compared to main signal: 49 dB;(13)Crosstalk: 55 to 60 dB;(15)Frequency inversion temperature: 25 °C. If you want to know more information about the TFS140, please download the datasheet in www.seekic.com or www.chinaicmart.com .