55N9BD

MCF FOR MCA PERSONAL RADIO s Features 8 Compactness and light weight 8 Narrow bandwidth Model 55N9BD 55N12B 55N17B 58N9BE 58N12A 58N17BH Nominal Frequency Pole (MHz) 55.025 4 55.025 4 55.025 4 58.1125 4 58.1125 2 58.1125 4 Pass Bandwidth (dB) (kHz) 3 ±4.5 3 ±6 3 ±8.5 3 ±4.5 3 ±6 3 ±8.5 Attenuation Bandwidth (dB) (kHz) 25 ±12.5 40 ±25 25 ±25 25 ±12.5 15 ±25 25 ±25 Ripple (dB) 1.0 1.0 2.0 2.0 2.0 2.0 Inser- Guaranteed tion Attenuation Loss (fo-910kHz) (dB) (dB) Terminating Impedance (kΩ// pF) Operating Temp. Range (˚C) 3.0 80 2.7//–0.5 CC=0pF –20~+60 3.0 80 3//–0.5 CC=–1pF –20~+70 4.0 80 3//–1 CC=–1pF –20~+60 4.0 80 2.8//–0.5 CC=–0.5pF –20~+60 3.0 60 2.7//–2 –20~+60 4.0 80 2.7//–1.5 CC=–1.5pF –20~+60 Type D-360-B D-360-B D-360-B D-360-B D-360-A D-360-B D-360-A~B 7.9max max 3.2 (mm) 20.0min 8.0max 3-ø0.35 3.75 ±0.2 D-360-B means a pair of D-360-A. When D-360-B is used, please use a coupling capacitance . Connecting mark MCF MCF R//C Cc R//C ATT. (dB) Model : 55N9BD 90 80 70 (B) 60 50 40 30 (A) 20 10 (A) -16 -12 -8 -4 0 4 8 12 16 (kHz) (B) -1.00 -0.75 -0.50 -0.25 0 0.25 0.50 0.75 1.00 (MHz) 55.025MHz Model : 58N9BE ATT. (dB) 90 80 70 60 50 40 30 20 10 (B) (A) (A) -25 -20 -15 -10 -5 0 5 10 15 20 25 (kHz) (B) -1.0 -0.8 -0.6 -0.4 -0.2 0 0.2 0.4 0.6 0.8 1.0 (MHz) 58.1125MHz CRYSTAL FILTERS 179 ...