crystal filter 45-90 mhz-series mcf type: with a built-in transformer cf20_090904_45-90mcf_e 0 5 10152025(khz) (a) C5 C10 C15 C20 C25 0.2 0.4 0.6 0.8 1.0 (mhz) (b) C0.2 C0.4 C0.6 C0.8 C1.0 80 70 (b) (a) att.(db) 60 50 40 30 20 10 0 1020304050(khz) (a) C10 C20 C30 C40 C50 0.2 0.4 0.6 0.8 1.0 (mhz) (b) C0.2 C0.4 C0.6 C0.8 C1.0 80 90 70 (b) (a) att.(db) 60 50 40 30 20 10 n features because this mcf has a built-in transformer, it is possible to match an input/output circuit with various impedance values. l stable temperature characteristics. l this product can be manufactured according to your requested terminating impedance value. l because it has already been completely adjusted, no adjustment is needed before use. l it can be manufactured with a wide frequency band. caution ? because it has a non-enclosed structure, it cannot be washed. n dimensions n characteristics n specifications model number of poles nominal frequency 3 db passband width stop bandwidth ripple insertion loss (insertion attenuation) guaranteed attenuation spurious characteristics terminating impedance operating temperature range package type ordering code 45ne7.5bb 45ne15bc 70ne7.5b 70ne15b 90ne7.5bb 90ne15bc 4 45 mhz 70 mhz 90 mhz 3.75 khz 7.5 khz 3.75 khz 7.5 khz 3.75 khz 7.5 khz max. 12.5 khz max. 25 khz max. 12.5 khz max. 25 khz max. 12.5 khz max. 25 khz at 25 db at 30 db at 25 db at 30 db at 25 db at 30 db max. 2 db max. 6 db min. 70 db at 910 khz min. 30 db min. 20 db min. 30 db min. 20 db min. 30 db min. 20 db within 1 mhz within 1 mhz within 1 mhz within 1 mhz within 1 mhz within 1 mhz 50 // 0 pf C20 to +70 d-168 45ne7.5bb-45m- 45ne15bc-45m- 70ne7.5b-70m- 70ne15b-70m- 90ne7.5bb-90m- 90ne15bc-90m- fn15-840 fn15-841 fn15-842 fn15-843 fn15-844 fn15-845 mm d-168 4C0.5 1.50.5 41 4min 10.30.2 in out 9.80.2 3.5 4.6 gnd gnd 11.60.5 17.80.2 9.80.2
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