TFS80D1

      The TFS80D1 is designed as VI telefilter.
      Reference level for the relative attenuation arel of the TFS80D is the minimum of the pass band attenuation amin. The minimum of the pass band attenuation amin is defined as the insertion loss ae. The reference frequency fc is the arithmetic mean value of the upper and lower frequencies at the 3 dB filter attenuation level relative to the insertion loss ae.
     TFS80D1 Some important specifications have been concluded into several points as follow. The first one is about its insertion loss which would be typ 15dB and max 16dB. The next one is about its centre frequency at ambient temperature which would be typ 80.07 MHz  and would be max 80.07 ± 0.02 MHz. The next one is about its pass band (-3 dB) which would be from fC- 90 kHz to fC + 90 kHz. The next one is about its bandwidth at ambient temperature 3 dB-band width which would be typ 184 kHz and would be min. 180 kHz. The next one is about its average group delay in pass band which would be typ 4.12 s. The next one is about its group delay ripple which mean when fc 100 kHz to fc it would be typ 300 ns and max. 600 ns and when from fc to fc + 100 kHz it would be typ 600 ns and max. 700 ns. The next one is about its deviation from linear phase (p-p) which would be 5,2°. The next one is about its crosstalk attenuation compared to main signal which would be from 55 to 60 dB. The next one is about its triple transit attenuation compared to main signal which would be from 33 to 34 dB. The next one is about its frequency inversion temperature which would be typ 20 °C. The next one is about its temperature coefficient of frequency which would be typ -0,075 ppm/K2. And so on. For more information please contact us.