Crystal Filter 10.7 MHz- and 21.4 MHz-Series MCF Type: with a Built-in Transformer ■ Features This is an integrated MCF with a built-in transformer which matched terminating impedance with MCF impedance. ●This product can be manufactured according to your requested terminating impedance. ●It can be designed and manufactured so that no adjustment is needed in the field. D-152 ●It has stable temperature characteristics. D-162 ■ Specifications Model Number of poles Nominal frequency 3 dB Passband width 10A7.5CB 10A7.5DG 10A15CB 10A15DB 10A30CB 10A30DB 6 8 6 8 6 8 Min. ±3.75 kHz Max. ±8.75 kHz Max. ±8.75 kHz at 45 dB at 70 dB Max. ±12.5 kHz Max. ±12.5 kHz at 65 dB at 90 dB Max. 2 dB Max. 2 dB Stop bandwidth Ripple Insertion loss (insertion attenuation) Guaranteed attenuation Max. 3.5 dB Max. 4 dB Min. 65 dB Within ±300 kHz Min. 90 dB Within ±300 kHz Max. 3 dB 10A7.5CB-10.7MFN15-835 10A7.5DG-10.7MFN15-836 21C7.5DD 21C15DCA 21C30DG Min. ±3.75 kHz Max. ±9 kHz at 65 dB Max. ±12.5 kHz at 90 dB Max. 2 dB 8 21.4MHz Min. ±7.5 kHz Max. ±17.5 kHz at 65 dB Max. ±25 kHz at 90 dB Max. 2 dB Min. ±15 kHz Max. ±35 kHz at 65 dB Max. ±50 kHz at 80 dB Max. 2 dB Max. 4.5 dB Max. 4 dB Max. 4 dB Min. 90 dB Within ±300 kHz Min. 90 dB Within ±300 kHz 50 Ω // 0 pF –20 to +70 °C D-162 21C15DCA-21.4MFN15-699 Min. 80 dB Within ±300 kHz Terminating impedance Operating temperature range Package type Ordering code Model Number of poles Nominal frequency 3 dB Passband width Stop bandwidth Ripple Insertion loss (insertion attenuation) Guaranteed attenuation Terminating impedance Operating temperature range Package type 21C7.5DD-21.4MFN15-747 Ordering code 10.7 MHz Min. ±7.5 kHz Max. ±17.5 kHz Max. ±17.5 kHz at 45 dB at 70 dB Max. ±25 kHz Max. ±25 kHz at 65 dB at 90 dB Max. 2 dB Max. 2 dB Min. ±15 kHz Max. ±35 kHz Max. ±35 kHz at 45 dB at 70 dB Max. ±50 kHz Max. ±50 kHz at 65 dB at 80 dB Max. 2 dB Max. 2 dB Max. 3.5 dB Min. 65 dB Min. 90 dB Within ±300 kHz Within ±300 kHz 50 Ω//0 pF –20 to +70 °C D-152 10A15CB-10.7M10A15DB-10.7MFN15-837 FN15-838 Max. 3 dB Max. 3.5 dB Excluding Spurious Min. 65 dB Within ±300 kHz Min. 80 dB Within ±300 kHz 10A30CB-10.7MFN15-758 10A30DB-10.7MFN15-839 21C30DG-21.4MFN15-594 ■ Dimensions 18.2max 2–φ1.0±0.1 GND 4max IN/OUT 18.0±0.5 2–φ0.8±0.1 OUT/IN 8±0.5 8.0±0.5 4±0.3 2–φ0.8±0.1 OUT GND 14.0max 10.0max 18.2max 4±0.3 4±0.3 IN GND 32±0.3 4–φ0.8±0.1 GND mm 25.0max 3.5 15.9max 4±0.3 D-162 14.0max mm 38.4max D-152 GND cf18_111003_107-214MCF_e