Crystal Filter Antenna Filter ■ Features This compact crystal filter for small antennas has been developed to remove interference caused by nonlinearity of a receiver and has low insertion loss across a wide frequency range. ● It can be manufactured for a wide frequency range from 40 to 170 MHz. ● Compact and light. ● Low insertion loss. ● Excellent temperature characteristics. ● SMA connector ■ Specifications Model AF10-12DS AF10-24DS 40 MHz or more and 50 MHz or more and 60 MHz or more and 70 MHz or more and 100 MHz or more and 40 MHz or more and 100 MHz or more and less than 50 MHz less than 60 MHz less than 70 MHz less than 80 MHz less than 170 MHz less than 80 MHz less than 170 MHz Nominal frequency 3 dB Passband width Stop bandwidth Ripple Insertion loss (insertion attenuation) Min. ±6 kHz Min. ±12 kHz Max. ±25 kHz at 20 dB Max. ±50 kHz at 20 dB Max. 1 dB Max. 2 dB Max. 4 dB Max. 6 dB Max. 4 dB Max. 6 dB Min. 20 dB Within ±200 kHz Min. 10 dB Within ±500 kHz Guaranteed attenuation Terminating impedance 50 Ω // 0 pF Operating temperature range –10 to +50 °C Package type D-175 AF10-12DS-[ ]M- AF10-12DS-[ ]M- AF10-12DS-[ ]M- AF10-12DS-[ ]M- AF10-12DS-[ ]M- AF10-24DS-[ ]M- AF10-24DS-[ ]MFN15-853 FN15-854 FN15-855 FN15-856 FN15-784 FN15-769 FN15-857 Ordering code *1 *1 : Specify a frequency in MHz in the brackets. ■ Dimensions ■ Characteristics mm D-175 2-SMA receptacle 10 9.5max 9.5max (A) 20±1 20 6±0.5 15±1 (dB) 48±0.5 2-φ3 (A) (B) –400 –30 –20 –10 –200 ATTENUATION 30 40±1 54±1 (B) 40 0 0 10 20 200 30 (A) (kHz) 400 (kHz) (B) cf21_111003_D170_e